公开(公告)号：US20240126002A1

公开(公告)日：2024-04-18

申请号：US18479823

申请日：2023-10-02

Applicant: Coretronic Corporation

Inventor： Chih-Jen Tsang ,  Chung-Wei Huang ,  Shih-Yen Cheng ,  Jung-Wei Chang ,  Han-Yuan Liu ,  Chun-Wei Lee

IPC: F21V8/00

CPC classification number: G02B6/0053 ,  G02B6/0051 ,  G02B6/0088 ,  G02F1/133615

Abstract: A backlight module includes a light source, a first prism sheet disposed on the light source, and a light type adjustment sheet disposed on a side of the first prism sheet away from the light source and including a base and multiple light type adjustment structures. The multiple light type adjustment structures are disposed on the first surface of the base. Each light type adjustment structure has a first structure surface and a second structure surface connected to each other. The first structure surface of each light type adjustment structure and the first surface of the base form a first base angle therebetween, and the second structure surface of each light type adjustment structure and the first surface of the base form a second base angle therebetween. The angle of the first base angle is different from the angle of the second base angle.

公开(公告)号：US20210191027A1

公开(公告)日：2021-06-24

申请号：US17124503

申请日：2020-12-17

Applicant: Coretronic Corporation

Inventor： Chun-Chien Liao ,  Ping-Yen Chen ,  Yung-Lung Liu ,  Chun-Wei Lee

IPC: F21V8/00

Abstract: A backlight module includes a light guide member, a first light source, a second light source, a plurality of first optical microstructures, and a plurality of second optical microstructures. The light guide member has a first light incident surface and an adjacent second light incident surface. The first light source is disposed at one side of the first light incident surface and is configured to generate a first light beam. The second light source is disposed at one side of the second light incident surface and is configured to generate a second light beam. The first and the second optical microstructures are disposed at the light guide member and are configured to reflect the first and the second light beams. The reflected first light beam has a first light emitting angle range without a normal viewing angle range. A display apparatus using the backlight module is also provided.

公开(公告)号：US10712592B2

公开(公告)日：2020-07-14

申请号：US15495985

申请日：2017-04-25

Applicant: Coretronic Corporation

Inventor： Chun-Wei Lee ,  Yu-Sung Lai ,  Sheng Chou ,  Han-Yuan Liu

IPC: G02F1/13 ,  H04N9/31 ,  G02B7/04 ,  G02B19/00 ,  F21V3/00 ,  F21V5/00 ,  F21V7/00 ,  F21V7/04 ,  F21V13/04 ,  F21V14/06 ,  G02F1/13357

Abstract: A display apparatus including a display panel and a light source module is provided. The display panel displays an image frame according to a light beam. The light source module provides the light beam to the display panel. The light source module includes a light emitting device, a lens module, a reflection device, and a light emitting surface. The light emitting device provides the light beam. The lens module is disposed in a transmission path of the light beam and adjusts the light beam to be focused or dispersed. The reflection device receives the light beam passing from the lens module and reflects the light beam to the light emitting surface. The lens module includes a lens disposed in the transmission path of the light beam and moves relative to the light emitting device to adjust a viewing angle of the light emitting surface.

公开(公告)号：US12271019B2

公开(公告)日：2025-04-08

申请号：US18479823

申请日：2023-10-02

Applicant: Coretronic Corporation

Inventor： Chih-Jen Tsang ,  Chung-Wei Huang ,  Shih-Yen Cheng ,  Jung-Wei Chang ,  Han-Yuan Liu ,  Chun-Wei Lee

IPC: F21V8/00 ,  G02F1/1335 ,  G02F1/13357

Abstract: A backlight module includes a light source, a first prism sheet disposed on the light source, and a light type adjustment sheet disposed on a side of the first prism sheet away from the light source and including a base and multiple light type adjustment structures. The multiple light type adjustment structures are disposed on the first surface of the base. Each light type adjustment structure has a first structure surface and a second structure surface connected to each other. The first structure surface of each light type adjustment structure and the first surface of the base form a first base angle therebetween, and the second structure surface of each light type adjustment structure and the first surface of the base form a second base angle therebetween. The angle of the first base angle is different from the angle of the second base angle.

公开(公告)号：US20230288753A1

公开(公告)日：2023-09-14

申请号：US18179384

申请日：2023-03-07

Applicant: Coretronic Corporation

Inventor： Tzeng-Ke Shiau ,  Shih-Yen Cheng ,  Jung-Wei Chang ,  Chun-Wei Lee

IPC: G02F1/13357 ,  G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133603 ,  G02B6/0053 ,  G02F1/133607

Abstract: A backlight module including a first light guide plate, a first light source, a diffusor, a second light guide plate, a second light source, a viewing angle control film, and a first prism sheet is provided. The diffusor is disposed on one side of a first light emitting surface of the first light guide plate. The second light guide plate is disposed on one side of a first bottom surface of the first light guide plate. A second light emitting surface of the second light guide plate faces the first bottom surface. The second light source is disposed on one side of a second light incident surface of the second light guide plate. The viewing angle control film is disposed between the first light guide plate and the second light guide plate. The first prism sheet is disposed between the viewing angle control film and the first light guide plate.

公开(公告)号：US10451871B2

公开(公告)日：2019-10-22

申请号：US15393248

申请日：2016-12-29

Applicant: Coretronic Corporation

Inventor： Chun-Wei Lee ,  Bai-Nan Ni ,  Chin-Hsiang Hsu

IPC: G02B27/01

Abstract: A head-up display system includes a display unit and a reflective element. The display unit having a first and a second display areas includes a display panel, a first light source module, and a second light source module. The display panel has a first and a second pixel areas. The first and the second light source modules respectively provide a first and a second light sources. The first light source corresponds to the first pixel area to make the first display area display a first image frame. The second light source corresponds to the second pixel area to make the second display area display a second image frame. The reflective element is located on a transmission path of the first image frame and not located on a transmission path of the second image frame, and reflects the first image frame from the first display area to a target element.

公开(公告)号：US11841585B2

公开(公告)日：2023-12-12

申请号：US18167149

申请日：2023-02-10

Applicant: Coretronic Corporation

Inventor： Ping-Yen Chen ,  Chung-Yang Fang ,  Chun-Wei Lee ,  Jung-Wei Chang

IPC: G02F1/13357 ,  G02F1/1335 ,  F21V8/00 ,  G02F1/13363 ,  G02F1/1337

CPC classification number: G02F1/133611 ,  G02B6/0053 ,  G02F1/1337 ,  G02F1/13363 ,  G02F1/133531 ,  G02F1/133607

Abstract: A display apparatus including a backlight module, first and second electrically-controlled elements, electrically-controlled first and second polarizers, a half-wave plate, and a display panel is provided. An included angle between first and second alignment directions of first and second alignment layers of the first electrically-controlled element is between 75 degrees and 105 degrees. An included angle between third and fourth alignment directions of third and fourth alignment layers of the second electrically-controlled element is between 165 degrees and 195 degrees. The half-wave plate is disposed between the second polarizer and the second electrically-controlled element. The display panel is disposed on the second electrically-controlled element. An included angle between an extending direction of prism structures of each of two optical brightness enhancement films of the backlight module and a viewing angle control direction of the display apparatus is less than 45 degrees. A method of driving the display apparatus is provided.

公开(公告)号：US11841565B2

公开(公告)日：2023-12-12

申请号：US17980560

申请日：2022-11-04

Applicant: Coretronic Corporation

Inventor： Ping-Yen Chen ,  Chung-Yang Fang ,  Chun-Wei Lee ,  Jung-Wei Chang

IPC: G02F1/13 ,  G02F1/1347 ,  G02F1/1335 ,  G02F1/13363 ,  G02F1/137 ,  G09G3/36 ,  G02F1/1337

CPC classification number: G02F1/1323 ,  G02F1/137 ,  G02F1/1347 ,  G02F1/133531 ,  G02F1/133638 ,  G02F1/133757 ,  G09G3/36 ,  G02F2413/01 ,  G02F2413/03 ,  G02F2413/05 ,  G02F2413/06 ,  G02F2413/08 ,  G02F2413/12 ,  G09G2320/068 ,  G09G2358/00

Abstract: A display apparatus including a backlight module, first and second electrically-controlled elements, electrically-controlled first and second polarizers, a half-wave plate, and a display panel is provided. An included angle between first and second alignment directions of first and second alignment layers of the first electrically-controlled element is between 75 degrees and 105 degrees. An included angle between third and fourth alignment directions of third and fourth alignment layers of the second electrically-controlled element is between 165 degrees and 195 degrees. A first absorption axis of the first polarizer disposed between the backlight module and the first electrically-controlled element is perpendicular to a second absorption axis of the second polarizer disposed between the first and second electrically-controlled elements. The half-wave plate is disposed between the second polarizer and the second electrically-controlled element. The display panel is disposed on the second electrically-controlled element. A method of driving the display apparatus is provided.

公开(公告)号：US11500246B2

公开(公告)日：2022-11-15

申请号：US17510413

申请日：2021-10-26

Applicant: Coretronic Corporation

Inventor： Han-Yuan Liu ,  Shih-Yen Cheng ,  Chun-Chien Liao ,  Chun-Wei Lee ,  Yung-Lung Liu

IPC: G02F1/00 ,  G02F1/13357

Abstract: A light source module includes a substrate, a reflective sheet, a plurality of light-emitting elements, an adhesive layer, and a frame. The reflective sheet is disposed on the substrate and has a side wall, a protrusion and a plurality of openings. The protrusion is protruded in a direction away from the substrate and has a mesh structure to define a plurality of dimming areas. The plurality of openings respectively correspond to the plurality of dimming areas. The plurality of light-emitting elements are disposed on the substrate, and the plurality of light-emitting elements are respectively disposed to pass through the plurality of openings. The adhesive layer is disposed between the substrate and the reflective sheet. The frame surrounds the reflective sheet and the plurality of light-emitting elements. The side wall of the reflective sheet is disposed on the frame. A display device of the invention is further provided.

公开(公告)号：US12085803B2

公开(公告)日：2024-09-10

申请号：US18179384

申请日：2023-03-07

Applicant: Coretronic Corporation

Inventor： Tzeng-Ke Shiau ,  Shih-Yen Cheng ,  Jung-Wei Chang ,  Chun-Wei Lee

IPC: G02F1/13357 ,  F21V8/00 ,  G02F1/1335

CPC classification number: G02F1/133603 ,  G02B6/0053 ,  G02B6/0076 ,  G02F1/133607 ,  G02F1/133615

Abstract: A backlight module including a first light guide plate, a first light source, a diffusor, a second light guide plate, a second light source, a viewing angle control film, and a first prism sheet is provided. The diffusor is disposed on one side of a first light emitting surface of the first light guide plate. The second light guide plate is disposed on one side of a first bottom surface of the first light guide plate. A second light emitting surface of the second light guide plate faces the first bottom surface. The second light source is disposed on one side of a second light incident surface of the second light guide plate. The viewing angle control film is disposed between the first light guide plate and the second light guide plate. The first prism sheet is disposed between the viewing angle control film and the first light guide plate.