EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-42996) of OmniVision Technologies, Inc. of our reports dated June 5, 2001 relating to the consolidated financial statements and financial statement schedules, which appear in this Annual Report on Form 10-K. /s/ PRICEWATERHOUSECOOPERS LLP PricewaterhouseCoopers LLP San Jose, California July 19, 2001