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Significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2022
Significant accounting policies |
Schedule of general information about Himax Technologies, Inc.'s subsidiaries | Following is general information about Himax Technologies, Inc.’s subsidiaries:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Percentage of Ownership |
​ | ​ | ​ | ​ | ​ | ​ | Jurisdiction of | ​ | December 31, | ​ | December 31, |
Investor |  | Subsidiary |  | Main activities |  | Incorporation |  | 2021 |  | 2022 |
Himax Technologies, Inc. |  | Himax Technologies Limited ("Himax Taiwan") |  | IC design and sales |  | ROC |  | 100.00 | % | 100.00 | %
Himax Technologies, Inc. |  | Himax Technologies Korea Ltd. |  | IC design and sales |  | South Korea |  | 100.00 | % | 100.00 | %
Himax Technologies, Inc. |  | Himax Technologies Japan Ltd. |  | Sales |  | Japan |  | 100.00 | % | 100.00 | %
Himax Technologies, Inc. |  | Himax Semiconductor (Hong Kong) Limited |  | Investments |  | Hong Kong |  | 100.00 | % | 100.00 | %
Himax Technologies Limited |  | Himax Technologies (Samoa), Inc. |  | Investments |  | Samoa |  | 100.00 | % | 100.00 | %
Himax Technologies (Samoa), Inc. |  | Himax Technologies (Suzhou) Co., Ltd. |  | Sales and technical support |  | PRC |  | 100.00 | % | 100.00 | %
Himax Technologies (Samoa), Inc. | ​ | Himax Technologies (Shenzhen) Co., Ltd. | ​ | Sales and technical support | ​ | PRC | ​ | 100.00 | % | 100.00 | %
Himax Technologies Limited |  | Himax Display, Inc. |  | LCoS and MEMS design, manufacturing and sales |  | ROC |  | 83.54 | % | 83.54 | %
Himax Display, Inc. |  | Integrated Microdisplays Limited |  | LCoS design |  | Hong Kong |  | 83.54 | % | 83.54 | %
Himax Display, Inc. |  | Himax Display (USA) Inc. |  | LCoS and MEMS design, sales and technical support |  | Delaware, USA |  | 83.54 | % | 83.54 | %
Himax Technologies Limited |  | Himax Analogic, Inc. |  | IC design and sales |  | ROC |  | 98.62 | % | 98.62 | %
Himax Technologies, Inc. |  | Himax Imaging, Inc. |  | Investments |  | Cayman Islands |  | 100.00 | % | 100.00 | %
Himax Technologies Limited |  | Himax Imaging, Ltd. ("Imaging Taiwan") |  | IC design and sales |  | ROC |  | 98.42 | % | 98.42 | %
Himax Imaging, Ltd. |  | Himax Imaging Corp. |  | IC design |  | California, USA |  | 98.42 | % | 98.42 | %
Himax Technologies Limited |  | Himax Media Solutions, Inc. (1) |  | ASIC service |  | ROC |  | 99.22 | % | — | ​
Himax Technologies Limited |  | Harvest Investment Limited |  | Investments |  | ROC |  | 100.00 | % | 100.00 | %
Himax Technologies Limited |  | Liqxtal Technology Inc. |  | LC Lens design and sales |  | ROC |  | 67.49 | % | 62.26 | %
Himax Technologies Limited |  | Himax IGI Precision Ltd. |  | 3D micro and nano structure mastering and prototype replication |  | Delaware, USA |  | 100.00 | % | 100.00 | %
Himax Technologies Limited | ​ | Emza Visual Sense Ltd.(2) | ​ | Visual sensors and efficient machine vision algorithm | ​ | Israel | ​ | 100.00 | % | — | ​
Himax Technologies Limited |  | CM Visual Technology Corp. |  | Omniwide film products design and sales |  | ROC |  | 66.71 | % | 66.71 | %
​ ​ Note (1): For management purpose, Himax Media Solutions, Inc. was merged into Himax Technologies Limited on May 3, 2022. Note (2): On October 25, 2022, Himax Technologies Limited disposed its 100% shareholdings in Emza Visual Sense Ltd. (“EMZA”). Refer to Note 6 for further details.
Schedule of basic and diluted earnings per ordinary share | Basic and diluted earnings per ordinary share have been calculated as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2020 |  | 2021 |  | 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Profits attributable to Himax Technologies, Inc. stockholders (in thousands) | ​ | $ | 47,134 | ​ | 436,896 |  | 236,982
Denominator for basic earnings per ordinary share: | ​ |  | ​ | ​ | ​ |  | ​
Weighted average number of ordinary shares outstanding (in thousands) | ​ |  | 345,708 | ​ | 349,228 |  | 349,448
Basic earnings per ordinary share attributable to Himax Technologies, Inc. stockholders | ​ | $ | 0.14 | ​ | 1.25 |  | 0.68
Basic earnings per ADS attributable to Himax Technologies, Inc. stockholders(1) | ​ | $ | 0.27 | ​ | 2.50 |  | 1.36
​ Contingently issuable ordinary shares underlying the unvested RSUs and employee stock options granted to employees are included in the calculation of diluted earnings per ordinary share based on treasury stock method. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2020 |  | 2021 |  | 2022
​ | ​ | ​ | ​ | ​ | ​ |  | ​
Profits attributable to Himax Technologies, Inc. stockholders (in thousands) | ​ | $ | 47,134 |  | 436,896 | ​ | 236,982
Denominator for diluted earnings per ordinary share: | ​ | ​ | ​ |  | ​ | ​ | ​
Weighted average number of ordinary shares outstanding (in thousands) | ​ | ​ | 345,708 |  | 349,228 | ​ | 349,448
Unvested RSUs (in thousands) | ​ | ​ | - |  | 505 | ​ | 187
Employee stock options (in thousands) | ​ | ​ | 1,058 | ​ | - | ​ | -
​ | ​ | ​ | 346,766 |  | 349,733 | ​ | 349,635
Diluted earnings per ordinary share attributable to Himax Technologies, Inc. stockholders | ​ | $ | 0.14 |  | 1.25 | ​ | 0.68
Diluted earnings per ADS attributable to Himax Technologies, Inc. stockholders(1) | ​ | $ | 0.27 |  | 2.50 | ​ | 1.36
​ Note (1): As the Company’s ordinary shares have been quoted on the NASDAQ Global Select Market under the symbol “HIMX” in the form of ADSs and two ordinary shares represent one ADS with effect from August 10, 2009. The number of ADS equivalent outstanding is determined by dividing the number of ordinary shares by two. Therefore, the weighted average number of ADS equivalent outstanding used in basic earnings per ADS for 2020, 2021 and 2022 is 172,854 thousand, 174,614 thousand and 174,724 thousand, respectively. Additionally, the weighted average number of ADS equivalent outstanding used in diluted earnings per ADS for 2020, 2021 and 2022 is 173,383 thousand, 174,867 thousand and 174,817 thousand, respectively. The earnings per ADS is presented solely for the convenience of the reader and does not represent a measure under IFRS.

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