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1. (WO2018196636) DISPLAY SCREEN, DISPLAY DEVICE AND MOBILE TERMINAL

Pub. No.:    WO/2018/196636    International Application No.:    PCT/CN2018/083042
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Sat Apr 14 01:59:59 CEST 2018
IPC: H01L 29/43
Applicants: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
OPPO广东移动通信有限公司
Inventors: JIN, Yong
靳勇
Title: DISPLAY SCREEN, DISPLAY DEVICE AND MOBILE TERMINAL
Abstract:
A display screen (100), a display device (200), and a mobile terminal (300). The display screen (100) comprises a display layer (110); the display layer (110) is provided with a fingerprint identification area (111); the fingerprint identification area (111) is provided with an array of transparent thin film transistors (112) and a transparent medium (113) among the transparent thin film transistors (112). The display device (200) comprises the described display screen (100), and further comprises an optical fingerprint module (202) and a middle frame (201). The display screen (100) and the optical fingerprint module (202) are fixed on the middle frame (201). The optical fingerprint module (202) is located at the display screen (100) at the side facing away from a user; and the optical fingerprint module (202) is disposed at a position corresponding to the fingerprint identification area (111), so as to transmit, receive and sense lights through the fingerprint identification area (111). The fingerprint identification area (111) which is provided with the transparent thin film transistors (112) is provided on the display screen (100), and the optical fingerprint module (202) is disposed under the fingerprint identification area (111), thereby improving the light transmittance of the display screen (100) and the fingerprint identification accuracy of the optical fingerprint module (202).