公开(公告)号：US20210225948A1

公开(公告)日：2021-07-22

申请号：US17203064

申请日：2021-03-16

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Bingping Liu ,  Xiaoxiao Wu ,  Guozhao Chen

IPC: H01L27/32 ,  H01L51/52 ,  G06K9/00 ,  H01L51/56

Abstract: Provided are a display device and a manufacturing method thereof. The display device includes an organic light-emitting display panel and a fingerprint identification assembly disposed on a non-light-emitting display side of the organic light-emitting display panel. The fingerprint identification assembly includes a first substrate, a fingerprint identification unit and a light-shielding structure. The fingerprint identification unit and the light-shielding structure are disposed on a same side of the first substrate. The light-shielding structure is disposed between the fingerprint identification unit and the organic light-emitting display panel; the light-shielding structure includes at least two light-shielding layers, each light-shielding layer includes light-transmissive portions and at least one light-shielding portion, and the light-transmissive portions are at least partially surrounded by the light-shielding portion; in a direction perpendicular to the first substrate, positions of light-transmissive portions in one light-shielding layer are in one-to-one correspondence with positions of light-transmissive portions in another one light-shielding layer.

公开(公告)号：US20180047360A1

公开(公告)日：2018-02-15

申请号：US15793697

申请日：2017-10-25

Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.

Inventor： Shoujin Cai ,  Bingping Liu ,  Yihua Zhu ,  Yuanhang Li ,  Xiaoxiao Wu ,  Guozhao Chen ,  Junyi Li

IPC: G09G3/36 ,  G09G3/20 ,  G11C19/28

CPC classification number: G09G3/3677 ,  G09G3/20 ,  G09G3/2096 ,  G09G2300/0426 ,  G09G2310/0281 ,  G09G2310/0286 ,  G09G2310/0289 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2320/0219 ,  G09G2320/0247 ,  G11C19/28 ,  G11C19/287

Abstract: A shift register, gate drive circuit and display panel are provided. The shift register includes a latch unit, a NAND gate unit, a buffer unit and a switch unit. The latch unit, the NAND gate unit and the buffer unit are configured to produce a scanning driving signal and a scanning stopping signal. The latch unit is configured to control the switch unit to be turned on so as to output the scanning driving signal or the scanning stopping signal from the output terminal of the shift register, or control the switch unit to be turned off so as to enable the output terminal of the shift register to float.