FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2003 Commission File Number 001-31335 AU Optronics Corp. (Translation of registrant's name into English) No. 1 Li-Hsin Road 2 Science-Based Industrial Park Hsinchu, Taiwan (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F X Form 40-F --- --- Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ---- Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders. Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ---- Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant's "home country"), or under the rules of the home country exchange on which the registrant's securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant's security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR. Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. Yes ..... No ..X... If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- Not applicable -------------- INDEX TO EXHIBITS Item ---- 1. Taiwan Stock Exchange filing entitled, "Acquisition of patents", for the period of February 2003. 2. Taiwan Stock Exchange filing entitled, "Report of changes or status of Sales volume, Financial derivative transactions, Funds lent to other parties, and Endorsements and guarantees for the period of February 2003", dated March 5, 2003. 3. Taiwan Stock Exchange filing entitled, "The acquisition and the disposition of assets by AUO for the period of February 2003.", dated March 15, 2003 Signatures Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. AU Optronics Corp. Date: March 19, 2003 By: /s/ Max Weishun Cheng --------------- ------------------------------ Name: Max Weishun Cheng Title: Chief Financial Officer item 1 AU Optronics Corporation February 1-28, 2002 English Language Summary Subject: Acquisition of patents Regulation: Published pursuant to Article 2-10 of the Taiwan Stock Exchange's operation procedures for the Publication of Material Information by Listed Companies Content: ---------------------------------------------------------------------------------- Patent Number Name of patent Acquisition date ---------------------------------------------------------------------------------- R.O.C. 146103 Plasma display panel and a method for making 02/07/2003 the same ---------------------------------------------------------------------------------- R.O.C. 147623 A high cntrast pdp and a method for making the 02/07/2003 same ---------------------------------------------------------------------------------- R.O.C. 147939 Front plate of a plasma display panel (PDP) and 02/07/2003 the method of fabricating the same ---------------------------------------------------------------------------------- R.O.C. 148535 Plasma display panel 02/07/2003 ---------------------------------------------------------------------------------- U.S. 6,476,590 B2 Residual image improving system for a liquid 02/25/2003 crystal display(lcd) ---------------------------------------------------------------------------------- U.S. 6,515,420 B2 Full-color plasma display panel using different 02/25/2003 discharge gases to emit lights ---------------------------------------------------------------------------------- 1/1 ITEM 2 AU Optronics Corporation March 5, 2003 English Language Summary Subject: Report of changes or status of the followingiG 1) Sales volume, 2) Financial derivatives transactions, 3) Funds lent to other parties, 4) Endorsements and guarantees, for the period of February 2003. Content: 1. Sales volume (NT$ Thousand) -------------------------------------------------------------------------------------------- Period Items 2003 2002 Changes % -------------------------------------------------------------------------------------------- February Invoice 4,849,736 6,531,992 -1,682,256 -25.75 -------------------------------------------------------------------------------------------- Jan ~ February Invoice 9,726,699 12,642,449 -2,915,715 -23.06 -------------------------------------------------------------------------------------------- February Net sales 5,397,961 6,400,410 -1,002,449 -15.66 -------------------------------------------------------------------------------------------- Jan ~ February Net sales 10,743,864 12,626,060 -1,882,196 -14.91 -------------------------------------------------------------------------------------------- 2. Financial derivatives transactions Hedging purpose (for assets/liabilities denominated in foreign currencies) (NT$Million) -------------------------------------------------------------------------------- AUO AUO's subsidiaries -------------------------------------------------------------------------------- Underlying assets / liabilities 13,651 0 -------------------------------------------------------------------------------- Financial instruments Forward contract Forward contract -------------------------------------------------------------------------------- Realized profit (loss) -7 0 -------------------------------------------------------------------------------- 3. Funds lent to other parties (NT$ Thousand) -------------------------------------------------------------------------------- Bal. as of Limit of lending December period end -------------------------------------------------------------------------------- AUO 0 0 0 -------------------------------------------------------------------------------- AUO's subsidiaries 0 0 0 -------------------------------------------------------------------------------- 1 4. Endorsements and guarantees (NT$ Thousand) -------------------------------------------------------------------------------- Bal. as of Limit of endorsements February period end -------------------------------------------------------------------------------- AUO 156,881,178 4,052,680 4,052,680 -------------------------------------------------------------------------------- AUO's subsidiaries 156,881,178 4,052,680 4,052,680 -------------------------------------------------------------------------------- AUO endorses for subsidiaries 4,052,680 - -------------------------------------------------------------------------------- AUO's subsidiaries endorse for AUO 0 - -------------------------------------------------------------------------------- AUO endorses for PRC companies 0 - -------------------------------------------------------------------------------- AUO's subsidiaries endorse for PRC companies 4,052,680 - -------------------------------------------------------------------------------- 2 ITEM 3 AU Optronics Corporation March 15, 2002 English Language Summary Subject: The acquisition and the disposition of assets by AUO for the month of February 2003 Content: 1. The acquisition assets (NT$ Thousand) -------------------------------------------------------------------------------- Description of assets February Jan~ February -------------------------------------------------------------------------------- Marketable securities 135,000 516,000 -------------------------------------------------------------------------------- Fixed assets 822,513 3,954,897 -------------------------------------------------------------------------------- 2. The disposition of assets (NT$ Thousand) AUO -------------------------------------------------------------------------------- Description of assets February Jan~ February -------------------------------------------------------------------------------- Marketable securities - 805,954 -------------------------------------------------------------------------------- Fixed assets 183,123 285,232 -------------------------------------------------------------------------------- AUO's subsidiaries -------------------------------------------------------------------------------- Description of assets February Jan~ February -------------------------------------------------------------------------------- Marketable securities 3,972 3,972 -------------------------------------------------------------------------------- Fixed assets - - --------------------------------------------------------------------------------