Material accounting policies (Details)
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12 Months Ended |
Nov. 22, 2024 |
Dec. 30, 2023 |
Dec. 31, 2025 |
Dec. 31, 2024 |
| Viewsil Microelectronics (Kunshan) Limited |
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| Statement [line items] |
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| Proportion of voting rights held in associate |
51.00%
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49.00%
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| Himax Technologies Limited ("Himax Taiwan") | ROC |
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| Statement [line items] |
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| Investor |
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Himax Technologies, Inc.
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| Subsidiary |
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Himax Technologies Limited (“Himax Taiwan”)
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| Main activities |
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IC design and sales
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| Jurisdiction of Incorporation |
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ROC
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| Percentage of Ownership |
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100.00%
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100.00%
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| Himax Technologies Korea Ltd | Korea |
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| Statement [line items] |
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| Investor |
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Himax Technologies, Inc.
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| Subsidiary |
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Himax Technologies Korea Ltd.
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| Main activities |
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IC design and sales
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| Jurisdiction of Incorporation |
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South Korea
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| Percentage of Ownership |
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100.00%
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100.00%
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| Himax Technologies Japan Ltd | Japan |
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| Statement [line items] |
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| Investor |
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Himax Technologies, Inc.
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| Subsidiary |
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Himax Technologies Japan Ltd.
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| Main activities |
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Sales
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| Jurisdiction of Incorporation |
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Japan
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| Percentage of Ownership |
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100.00%
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100.00%
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| Himax Semiconductor (Hong Kong) Limited | Hong Kong operations |
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| Statement [line items] |
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| Investor |
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Himax Technologies, Inc.
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| Subsidiary |
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Himax Semiconductor (Hong Kong) Limited
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| Main activities |
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Investments
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| Jurisdiction of Incorporation |
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Hong Kong
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| Percentage of Ownership |
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100.00%
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100.00%
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| Himax Imaging, Inc | Cayman Islands |
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| Statement [line items] |
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| Investor |
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Himax Technologies, Inc.
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| Subsidiary |
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Himax Imaging, Inc.
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| Main activities |
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Investments
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| Jurisdiction of Incorporation |
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Cayman Islands
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| Percentage of Ownership |
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100.00%
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100.00%
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| Viewsil Microelectronics (Shanghai) Limited ("Viewsil") | PRC |
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| Statement [line items] |
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| Investor |
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Himax Technologies, Inc.
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| Subsidiary |
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Viewsil Microelectronics (Shanghai) Limited (“Viewsil”) (1)
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| Main activities |
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IC design and sales
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| Jurisdiction of Incorporation |
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PRC
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| Percentage of Ownership |
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100.00%
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100.00%
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| Viewsil Technology Limited |
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| Statement [line items] |
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| Percentage of Ownership |
100.00%
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| Viewsil Technology Limited | British Virgin Islands |
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| Statement [line items] |
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| Investor |
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Viewsil Microelectronics (Shanghai) Limited
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| Subsidiary |
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Viewsil Technology Limited
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| Main activities |
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IC sales
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| Jurisdiction of Incorporation |
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British Virgin Islands
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| Percentage of Ownership |
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100.00%
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100.00%
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| Himax Technologies (Samoa), Inc | Samoa |
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| Statement [line items] |
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| Investor |
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Himax Technologies Limited
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| Subsidiary |
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Himax Technologies (Samoa), Inc.
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| Main activities |
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Investments
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| Jurisdiction of Incorporation |
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Samoa
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| Percentage of Ownership |
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100.00%
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100.00%
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| Himax Technologies (Suzhou) Co., Ltd | PRC |
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| Statement [line items] |
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| Investor |
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Himax Technologies (Samoa), Inc.
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| Subsidiary |
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Himax Technologies (Suzhou) Co., Ltd.
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| Main activities |
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Sales and technical support
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| Jurisdiction of Incorporation |
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PRC
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| Percentage of Ownership |
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100.00%
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100.00%
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| Himax Technologies (Shenzhen) Co., Ltd | PRC |
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| Statement [line items] |
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| Investor |
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Himax Technologies (Samoa), Inc.
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| Subsidiary |
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Himax Technologies (Shenzhen) Co., Ltd.(1)
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| Main activities |
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Sales and technical support
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| Jurisdiction of Incorporation |
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PRC
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| Percentage of Ownership |
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100.00%
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100.00%
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| Himax Display, Inc | ROC |
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| Statement [line items] |
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| Investor |
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Himax Technologies Limited
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| Subsidiary |
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Himax Display, Inc.
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| Main activities |
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LCoS and MEMS design, manufacturing and sales
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| Jurisdiction of Incorporation |
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ROC
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| Percentage of Ownership |
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92.02%
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92.02%
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| Integrated Microdisplays Limited | Hong Kong operations |
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| Statement [line items] |
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| Investor |
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Himax Display, Inc.
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| Subsidiary |
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Integrated Microdisplays Limited
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| Main activities |
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LCoS design
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| Jurisdiction of Incorporation |
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Hong Kong
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| Percentage of Ownership |
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92.02%
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92.02%
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| Himax Display (USA) Inc | Delaware USA |
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| Statement [line items] |
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| Investor |
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Himax Display, Inc.
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| Subsidiary |
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Himax Display (USA) Inc.
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| Main activities |
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LCoS and MEMS design, sales and technical support
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| Jurisdiction of Incorporation |
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Delaware, USA
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| Percentage of Ownership |
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92.02%
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92.02%
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| Himax Analogic Inc | ROC |
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| Statement [line items] |
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| Investor |
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Himax Technologies Limited
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| Subsidiary |
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Himax Analogic, Inc.
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| Main activities |
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IC design and sales
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| Jurisdiction of Incorporation |
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ROC
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| Percentage of Ownership |
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99.89%
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98.62%
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| Himax Imaging, Ltd. ("Imaging Taiwan") | ROC |
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| Statement [line items] |
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| Investor |
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Himax Technologies Limited
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| Subsidiary |
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Himax Imaging, Ltd. (“Imaging Taiwan”)
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| Main activities |
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IC design and sales
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| Jurisdiction of Incorporation |
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ROC
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| Percentage of Ownership |
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99.46%
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98.64%
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| Himax Imaging Corp | California USA |
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| Statement [line items] |
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| Investor |
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Himax Imaging, Ltd.
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| Subsidiary |
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Himax Imaging Corp.
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| Main activities |
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IC design
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| Jurisdiction of Incorporation |
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California, USA
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| Percentage of Ownership |
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99.46%
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98.64%
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| Harvest Investment Limited | ROC |
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| Statement [line items] |
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| Investor |
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Himax Technologies Limited
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| Subsidiary |
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Harvest Investment Limited
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| Main activities |
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Investments
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| Jurisdiction of Incorporation |
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ROC
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| Percentage of Ownership |
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100.00%
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100.00%
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| Liqxtal Technology Inc | ROC |
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| Statement [line items] |
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| Investor |
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Himax Technologies Limited
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| Subsidiary |
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Liqxtal Technology Inc.
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| Main activities |
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Imaging and optical solutions provider
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| Jurisdiction of Incorporation |
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ROC
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| Percentage of Ownership |
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59.50%
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62.26%
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| New Ken Technologies Co., Ltd | ROC |
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| Statement [line items] |
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| Investor |
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Liqxtal Technology Inc.
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| Subsidiary |
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New Ken Technologies Co., Ltd. (2)
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| Main activities |
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Imaging and optical solutions provider
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| Jurisdiction of Incorporation |
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ROC
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| Percentage of Ownership |
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59.50%
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| Himax IGI Precision Ltd | Delaware USA |
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| Statement [line items] |
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| Investor |
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Himax Technologies Limited
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| Subsidiary |
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Himax IGI Precision Ltd.
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| Main activities |
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3D micro and nano structure mastering and prototype replication
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| Jurisdiction of Incorporation |
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Delaware, USA
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| Percentage of Ownership |
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100.00%
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100.00%
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| CM Visual Technology Corp | ROC |
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| Statement [line items] |
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| Investor |
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Himax Technologies Limited
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| Subsidiary |
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CM Visual Technology Corp.
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| Main activities |
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Omniwide film products design and sales
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| Jurisdiction of Incorporation |
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ROC
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| Percentage of Ownership |
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81.42%
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77.63%
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| Solvanta Investment Limited | ROC |
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| Statement [line items] |
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| Investor |
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Himax Technologies Limited
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| Subsidiary |
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Solvanta Investment Limited
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| Main activities |
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Investments
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| Jurisdiction of Incorporation |
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ROC
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| Percentage of Ownership |
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100.00%
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100.00%
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| Solvanta Energy Limited | ROC |
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| Statement [line items] |
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| Investor |
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Solvanta Investment Limited
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| Subsidiary |
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Solvanta Energy Limited
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| Main activities |
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Renewable-energy based electricity distribution
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| Jurisdiction of Incorporation |
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ROC
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| Percentage of Ownership |
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100.00%
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100.00%
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