
FORM20-F ☐REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF1934 OR For the fiscal year endedDecember 31,2024 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _____________. OR ☐SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 Date of event requiring this shell company report:Commission file number:001-41965Semilux International Ltd.(Exact name of Registrant as Specified in its Charter)Cayman Islands(Jurisdiction of Incorporation or Organization)4F., No. 32, Keya Rd., Daya Dist.Central Taiwan Science ParkTaichung City42881Taiwan+886 04 2567 3281(Address of Principal Executive Offices)Yung-Peng Chang, Chief Executive Officer4F., No. 32, Keya Rd., Daya Dist.Central Taiwan Science ParkTaichung City42881Taiwan+88604 2567 3281(Name, Telephone, E-mail and/or Facsimile Number and Address of Company Contact Person) Securities registered or to be registered pursuant to Section 12(b) of the Act: None(Title of Class) Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the periodcovered by the annual report:37,595,020. Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes☐No☒ If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section13 or 15(d) of the Securities Exchange Act of 1934. Yes☐No☒ Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports),and (2) has been subject to such filing requirements for the past 90 days. Yes☒No☐ Indicateby check mark whether the registrant has submitted electronically every Interactive Data File required to besubmittedpursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorterperiod that the registrant was required to submit such files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or an emerginggrowth company. See definition of “large accelerated filer,” “accelerated filer” and “emerging growth company” in Rule 12b-2 of theExchange Act. If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if theregistrant has elected not to use the extended transition period for complying with any new or revised financial accounting standardsprovided pursuant to Section 13(a) of the Exchange Act.☐ †The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Boardto its Accounting Standards Codification after April 5, 2012. Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectivenessof its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registeredpublic accounting firm that prepared or issued its audit report.☐ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of theregistrant included in the filing reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive basedcompensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b)☐ Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing ☒U.S. GAAPInternational Financial Reporting Standards as issued by the InternationalAccounting Standards Board☐Other☐ If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registranthas elected to follow: Item 17☐Item 18☐ If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the ExchangeAct). Yes☐No☒ SEMILUX INTERNATIONAL LTD.FORM 20-F ANNUAL REPORT TABLE OF CONTENTS Item 1.Identity of Directors, Senior Management and Advisers3Item 2.Offer Statistics and Expected Timetable3Item 3.Key Information3Item 4.Information on the Company20Item 4A.Unresolved Staff Comments44Item 5.Operating And Financial Review And Prospects45Item 6.Directors, Senior Management and Employees60Item 7.Major Shareholders and Related Party Transactions65Item 8.Financial Information65Item 9.The Offer and Listing65Item 10.Additional I