公开(公告)号：US20210405279A1

公开(公告)日：2021-12-30

申请号：US16630903

申请日：2019-09-25

Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Qi WEI ,  Fancheng LIU

IPC: F21V8/00 ,  G02B1/04

Abstract: The disclosure provides a backlight module. Light reflected back and forth inside a display device is fully utilized, and luminescent efficiency of a luminescent device inside the display device is improved. In addition, the backlight module has a simple structure, which can solve technical problems of occurrence of strip black lines and uneven brightness that result from an application of a conventional backlight module in a large-scale display device by simply adding a refractive layer or a reflective layer.

公开(公告)号：US20220254184A1

公开(公告)日：2022-08-11

申请号：US16763346

申请日：2019-11-08

Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.

Inventor： Guiyang ZHANG ,  Qi WEI

IPC: G06V40/13 ,  G06V40/12 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/163

Abstract: The present application provides a device for under-screen optical fingerprint-identification, which includes a display panel and a fingerprint-identification unit array, wherein the fingerprint-identification unit array is disposed inside the display panel, and includes a plurality of fingerprint-identification units and a plurality of diffraction grating layers. Additional optical structures can be excluded to prevent receiving large-angle interfered light signals by using the fingerprint-identification units having diffraction grating layers according to the present application, so that a thickness of the entire device can be greatly reduced.

公开(公告)号：US20220004051A1

公开(公告)日：2022-01-06

申请号：US16756130

申请日：2020-03-17

Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Qi WEI

IPC: G02F1/1335 ,  G02F1/1333 ,  G06K9/00

Abstract: A liquid crystal display module includes a display panel and a backlight module. The display panel includes a first substrate and a second substrate disposed opposite to each other, a liquid crystal layer, a first polarizer, and a plurality of fingerprint recognition units. The first substrate includes filter parts and light shielding parts. The first polarizer uses a patterned polarizer. The display panel can realize fingerprint identification while displaying. The fingerprint recognition unit is provided with an analyzer unit to avoid crosstalk.

公开(公告)号：US20190384109A1

公开(公告)日：2019-12-19

申请号：US15754278

申请日：2018-01-17

Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.

Inventor： Qi WEI

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/1347 ,  G02F1/1333

Abstract: A display panel is provided, which includes a liquid crystal panel, a partitioning optical rotatory cell that is disposed opposite to the liquid crystal panel and a polarizer that is disposed on a side the partitioning optical rotatory cell facing away from the liquid crystal panel, in which a light transmission axis of the polarizer is perpendicular to or in parallel with a light transmission axis of a lower polarizer of the liquid crystal panel. The partitioning optical rotatory cell is configured to perform a regionally rotatory process on a polarization direction of illumination passing through the polarizer, such that different areas of the liquid crystal panel have different luminances. By inserting the partitioning optical rotatory cell in the liquid crystal panel to form the display panel of which different areas have different display luminances in a display status, such that the image contrast for display significantly increases.