Curved display apparatus and method for controlling curvature thereof

Patent metadata

Field	Value
Publication number	US-2018299709-A1
Application number	US-201715555761-A
Country	US
Kind code	A1
Filing date	Mar 24, 2017
Priority date	Dec 31, 2016
Publication date	Oct 18, 2018
Grant date	—

Abstract

This application relates to a curved display apparatus and a method for controlling a curvature thereof. The apparatus includes: a flexible display module; and a curvature adjustment module, coupled to the flexible display module and configured to adjust a curvature of the flexible display module. The curvature adjustment module includes: a gear control unit, including a gear; a primary rotation shaft and at least one secondary rotation shaft; two first curvature adjustment modules, pivotally coupled to the primary rotation shaft, to form a first movable bracket that moves correspondingly; and two second curvature adjustment modules, pivotally coupled to the secondary rotation shaft and meshed with the gear, to cooperate with the gear to control to form a second movable bracket that moves correspondingly. In this application, a curvature of the curved display apparatus is adjusted, so that a viewer can have better picture quality at a large viewing angle.

First claim

What is claimed is:

1 . A curved display apparatus, comprising:
a flexible display module; and a curvature adjustment module, coupled to the flexible display module, and configured to adjust a curvature of the flexible display module.

2 . The curved display apparatus according to claim 1 , wherein the curvature adjustment module comprises:
a gear control unit, comprising a gear; a primary rotation shaft and at least one secondary rotation shaft; two first curvature adjustment modules, pivotally coupled to the primary rotation shaft, to form a first movable bracket that moves correspondingly; and two second curvature adjustment modules, pivotally coupled to the secondary rotation shaft and meshed with the gear, to cooperate with the gear to control to form a second movable bracket that moves correspondingly.

3 . The curved display apparatus according to claim 1 , wherein the flexible display module comprises: a cover plate, comprising a first curved surface; and a backplane, disposed opposite to the cover plate and comprising a second curved surface.

4 . The curved display apparatus according to claim 3 , wherein the first curvature adjustment module is coupled to the backplane of the flexible display module, and the curvature of the flexible display module is adjusted by controlling rotation of the gear control unit.

5 . The curved display apparatus according to claim 3 , wherein the flexible display module further comprises a liquid crystal display panel, disposed between the backplane and the cover plate.

6 . The curved display apparatus according to claim 2 , wherein the gear control unit further comprises a motor controller connected to the gear, and the motor controller is a step motor.

7 . The curved display apparatus according to claim 1 , further comprising: a curvature calculation unit, configured to sense an object to generate a curvature control signal to control the curvature adjustment module, to adjust the curvature of the flexible display module

8 . The curved display apparatus according to claim 7 , wherein the curvature calculation unit is a sensing chip.

9 . The curved display apparatus according to claim 7 , wherein the curvature calculation unit is a sensor.

10 . A method for controlling a curvature of a curved display apparatus, comprising:
providing a flexible display module; and providing a curvature adjustment module, coupled to the flexible display module, and configured to adjust a curvature of the flexible display module.

11 . The method for controlling a curvature of a curved display apparatus according to claim 10 , wherein the step of adjusting a curvature of the flexible display module comprises:
sensing an object to generate a curvature control signal according to a curvature calculation unit; adjusting a rotation degree of a motor controller according to the curvature control signal; controlling a second movable bracket comprising two second curvature adjustment modules, and controlling a first movable bracket comprising two first curvature adjustment modules according to the rotation degree of the motor controller; coupling the first movable bracket to a backplane of the flexible display module, and adjusting a second curved surface of the backplane by moving the first movable bracket; and adjusting a curvature of a first curved surface of the cover plate by adjusting a curvature of the second curved surface.

12 . The method for controlling a curvature of a curved display apparatus according to claim 10 , wherein the curvature adjustment module comprises:
a gear control unit, comprising a gear; a primary rotation shaft and at least one secondary rotation shaft; two first curvature adjustment modules, pivotally coupled to the primary rotation shaft, to form a first movable bracket that moves correspondingly; and two second curvature adjustment modules, pivotally coupled to the secondary rotation shaft and meshed with the gear, to cooperate with the gear to control to form a second movable bracket that moves correspondingly.

13 . The method for controlling a curvature of a curved display apparatus according to claim 10 , wherein the flexible display module comprises: a cover plate, comprising a first curved surface; and a backplane, disposed opposite to the cover plate and comprising a second curved surface.

14 . The method for controlling a curvature of a curved display apparatus according to claim 13 , wherein the first curvature adjustment module is coupled to the backplane of the flexible display module, and the curvature of the flexible display module is adjusted by controlling rotation of the gear control unit.

15 . The method for controlling a curvature of a curved display apparatus according to claim 13 , wherein the flexible display module further comprises a liquid crystal display panel, disposed between the backplane and the cover plate.

16 . The method for controlling a curvature of a curved display apparatus according to claim 12 , wherein the gear control unit further comprises a motor controller connected to the gear, and the motor controller is a step motor.

17 . The method for controlling a curvature of a curved display apparatus according to claim 11 , wherein the curvature calculation unit is configured to sense an object to generate a curvature control signal to control the curvature adjustment module, to adjust the curvature of the flexible display module.

18 . The method for controlling a curvature of a curved display apparatus according to claim 17 , wherein the curvature calculation unit is a sensing chip.

19 . The method for controlling a curvature of a curved display apparatus according to claim 17 , wherein the curvature calculation unit is a sensor.

20 . A curved display apparatus, comprising:
a flexible display module; a curvature adjustment module, coupled to the flexible display module, and configured to adjust a curvature of the flexible display module; and a curvature calculation unit, configured to sense an object to generate a curvature control signal to control the curvature adjustment module, to adjust the curvature of the flexible display module, wherein the curvature adjustment module comprises: a gear control unit, comprising a gear; a primary rotation shaft and at least one secondary rotation shaft; two first curvature adjustment modules, pivotally coupled to the primary rotation shaft, to form a first movable bracket that moves correspondingly; and two second curvature adjustment modules, pivotally coupled to the secondary rotation shaft and meshed with the gear, to cooperate with the gear to control to form a second movable bracket that moves correspondingly; the flexible display module comprises: a cover plate, comprising a first curved surface; and a backplane, disposed opposite to the cover plate and comprising a second curved surface; and the first movable bracket and the second movable bracket are made of elastic aluminum alloy or a composite material thereof.

Assignees

• Hkc Corp Ltd
• Chongqing Hkc Optoelectronics Tech Co Ltd

Inventors

• Lee Chia-Hang

Classifications

• G02F1/133305

  Flexible substrates, e.g. plastics, organic film · CPC title

• G02F1/133308 Primary

  Support structures for LCD panels, e.g. frames or bezels · CPC title

• G02F2001/133314

  Physics · mapped topic

• G02F1/1323 Primary

  Arrangements for providing a switchable viewing angle · CPC title

• G02F1/133314

  Back frames · CPC title