公开(公告)号：US20250123438A1

公开(公告)日：2025-04-17

申请号：US18908707

申请日：2024-10-07

Applicant: CHAMP VISION DISPLAY INC.

Inventor： Chun-Chung Hsiao ,  Wei-Jhe Chien ,  Hsin-Hung Lee

IPC: F21V8/00

Abstract: A display apparatus includes a light guide plate, a first light source, a second light source, multiple first optical microstructures, multiple second optical microstructures, and a display panel. The first light source and the second light source are disposed beside a first light incident surface and a second light incident surface of the light guide plate respectively. Multiple second light beams emitted from the second light source irradiate a display surface of the display panel after being reflected by multiple second light receiving surfaces of the second optical microstructures disposed on a second light emitting surface of the light guide plate. Multiple first light beams emitted from the first light source exit the display apparatus after being reflected by multiple first light receiving surfaces of the first optical microstructures disposed on a first light emitting surface of the light guide plate.

公开(公告)号：US12287505B1

公开(公告)日：2025-04-29

申请号：US18402771

申请日：2024-01-03

Applicant: CHAMP VISION DISPLAY INC.

Inventor： Wei-Jhe Chien ,  Chung-Hao Wu ,  Chun-Chien Liao ,  Chun-Chung Hsiao

IPC: F21V8/00 ,  G02F1/1335

Abstract: A display device includes a display element, a light guide plate, and a light-emitting element. The display element has a display side and a back side, and the display side is opposite to the back side. The light guide plate is disposed on the display side. The light guide plate has a light-emitting surface, a light-incident surface, and a surface. The light-emitting surface faces away from the display side. The surface faces toward the display side. The surface has a plurality of optical microstructures, and the light-incident surface is located between the light-emitting surface and the surface. The light-emitting element is disposed opposite to the light-incident surface.

公开(公告)号：US20220283770A1

公开(公告)日：2022-09-08

申请号：US17672726

申请日：2022-02-16

Applicant: CHAMP VISION DISPLAY INC.

Inventor： Hsin-Mao Chung ,  Chun-Chung Hsiao

IPC: G06F3/14 ,  G06F3/041

Abstract: A control method of an electronic device and an external control device are provided. The control method may control the electronic device through a non-contact method. The external control device includes a handheld electronic device and an arithmetic control device. The external control device obtains display specification information of the electronic device, and the handheld electronic device is adapted for performing an image capturing action on a control interface of the electronic device to obtain a captured image. The handheld electronic device receives touch information. The external control device calculates coordinate conversion information between the captured image and an image of the control interface of the electronic device according to the display specification information and the captured image, converts the touch information to generate converted touch information according to the coordinate conversion information, and executes a control action on the electronic device according to the converted touch information.