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v3.21.1

Significant accounting policies (Details) |  |  | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2020 | Oct. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019
CM Visual Technology Corp. [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Percentage of Ownership |  | 66.71% |  |  |
CM Visual Technology Corp. [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Percentage of Ownership |  |  | 66.71% |  |
ROC [Member] | Himax Technologies Limited Himax Taiwan [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies, Inc. |
Subsidiary |  |  |  | Himax Technologies Limited ("Himax Taiwan") |
Main activities |  |  |  | IC design and sales |
Jurisdiction of Incorporation |  |  |  | ROC |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
ROC [Member] | Himax Display Inc [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies Limited |
Subsidiary |  |  |  | Himax Display, Inc. |
Main activities |  |  |  | LCOS and MEMS design, manufacturing and sales |
Jurisdiction of Incorporation |  |  |  | ROC |
Percentage of Ownership |  |  |  | 82.68% | 82.68%
ROC [Member] | Himax Analogic Inc [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies Limited |
Subsidiary |  |  |  | Himax Analogic, Inc. |
Main activities |  |  |  | IC design and sales |
Jurisdiction of Incorporation |  |  |  | ROC |
Percentage of Ownership |  |  |  | 98.62% | 98.62%
ROC [Member] | Himax Imaging Ltd Imaging Taiwan [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies Limited |
Subsidiary |  |  |  | Himax Imaging, Ltd. ("Imaging Taiwan") |
Main activities |  |  |  | IC design and sales |
Jurisdiction of Incorporation |  |  |  | ROC |
Percentage of Ownership |  |  |  | 96.85% | 93.70%
ROC [Member] | Himax Media Solutions Inc [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies Limited |
Subsidiary |  |  |  | Himax Media Solutions, Inc. |
Main activities |  |  |  | ASIC service |
Jurisdiction of Incorporation |  |  |  | ROC |
Percentage of Ownership |  |  |  | 99.22% | 99.22%
ROC [Member] | Harvest Investment Limited [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies Limited |
Subsidiary |  |  |  | Harvest Investment Limited |
Main activities |  |  |  | Investments |
Jurisdiction of Incorporation |  |  |  | ROC |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
ROC [Member] | Liqxtal Technology Inc [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies Limited |
Subsidiary |  |  |  | Liqxtal Technology Inc. |
Main activities |  |  |  | LC Lens design and sales |
Jurisdiction of Incorporation |  |  |  | ROC |
Percentage of Ownership |  |  |  | 67.49% | 64.00%
ROC [Member] | CM Visual Technology Corp. [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies Limited |
Subsidiary | [1] |  |  | CM Visual Technology Corp. |
Main activities |  |  |  | Omniwide film products design and sales |
Jurisdiction of Incorporation |  |  |  | ROC |
Percentage of Ownership |  |  |  | 66.71% |
South Korea [Member] | Himax Technologies Korea Ltd [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies, Inc. |
Subsidiary |  |  |  | Himax Technologies Korea Ltd. |
Main activities |  |  |  | IC design and sales |
Jurisdiction of Incorporation |  |  |  | South Korea |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
Japan [Member] | Himax Technologies Japan Ltd [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies, Inc. |
Subsidiary |  |  |  | Himax Technologies Japan Ltd. |
Main activities |  |  |  | Sales |
Jurisdiction of Incorporation |  |  |  | Japan |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
Hong Kong [Member] | Himax Semiconductor Hong Kong Limited [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies, Inc. |
Subsidiary |  |  |  | Himax Semiconductor (Hong Kong) Limited |
Main activities |  |  |  | Investments |
Jurisdiction of Incorporation |  |  |  | Hong Kong |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
Hong Kong [Member] | Integrated Microdisplays Limited [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Display, Inc. |
Subsidiary |  |  |  | Integrated Microdisplays Limited |
Main activities |  |  |  | LCOS design |
Jurisdiction of Incorporation |  |  |  | Hong Kong |
Percentage of Ownership |  |  |  | 82.68% | 82.68%
Samoa [Member] | Himax Technologies Samoa Inc [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies Limited |
Subsidiary |  |  |  | Himax Technologies (Samoa), Inc. |
Main activities |  |  |  | Investments |
Jurisdiction of Incorporation |  |  |  | Samoa |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
PRC [Member] | Himax Technologies Suzhou Co Ltd [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies (Samoa), Inc. |
Subsidiary |  |  |  | Himax Technologies (Suzhou) Co., Ltd. |
Main activities |  |  |  | Sales and technical support |
Jurisdiction of Incorporation |  |  |  | PRC |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
PRC [Member] | Himax Technologies Shenzhen Co Ltd [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies (Samoa), Inc. |
Subsidiary |  |  |  | Himax Technologies (Shenzhen) Co., Ltd. |
Main activities |  |  |  | Sales and technical support |
Jurisdiction of Incorporation |  |  |  | PRC |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
Delaware USA [Member] | Himax Display USA Inc [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Display, Inc. |
Subsidiary |  |  |  | Himax Display (USA) Inc. |
Main activities |  |  |  | LCOS and MEMS design, sales and technical support |
Jurisdiction of Incorporation |  |  |  | Delaware, USA |
Percentage of Ownership |  |  |  | 82.68% | 82.68%
Delaware USA [Member] | Himax IGI Precision Ltd [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies Limited |
Subsidiary |  |  |  | Himax IGI Precision Ltd. |
Main activities |  |  |  | 3D micro and nano structure mastering and prototype replication |
Jurisdiction of Incorporation |  |  |  | Delaware, USA |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
Cayman Islands [Member] | Himax Imaging Inc [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies, Inc. |
Subsidiary |  |  |  | Himax Imaging, Inc. |
Main activities |  |  |  | Investments |
Jurisdiction of Incorporation |  |  |  | Cayman Islands |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
California USA [Member] | Himax Imaging Corp [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Imaging, Ltd. |
Subsidiary |  |  |  | Himax Imaging Corp. |
Main activities |  |  |  | IC design |
Jurisdiction of Incorporation |  |  |  | California, USA |
Percentage of Ownership |  |  |  | 96.85% | 93.70%
Israel [Member] | Emza Visual Sense Ltd. [Member] |  |  |  |  |
IFRS Statement [Line Items] |  |  |  |  |
Investor |  |  |  | Himax Technologies Limited |
Subsidiary |  |  |  | Emza Visual Sense Ltd. |
Main activities |  |  |  | Visual sensors and efficient machine vision algorithm |
Jurisdiction of Incorporation |  |  |  | Israel |
Percentage of Ownership |  |  |  | 100.00% | 100.00%
[1] | On October 30, 2020, Himax Technologies Limited acquired 66.71% of the shareholdings of CM Visual Technology Corp. (“CMVT”) and therefore, obtained control over CMVT. Refer to Note 5(c) for further details.

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