Flexible display

Patent metadata

Field	Value
Publication number	US-11216039-B2
Application number	US-202016851121-A
Country	US
Kind code	B2
Filing date	Apr 17, 2020
Priority date	Apr 22, 2019
Publication date	Jan 4, 2022
Grant date	Jan 4, 2022

Abstract

A flexible display includes a bottom plate, a support plate, two hinge modules, a frame body, a bending module and a flexible panel. The support plate is provided with a first end and a second end. The first end is rotatably connected to the bottom plate. The hinge modules are disposed at the second end of the support plate. The frame body is provided with a fixed frame and a plurality of turning frames. The fixed frame is connected to the hinge modules. The plurality of turning frames are pivoted to two opposite sides of the fixed frame respectively. The bending module is connected with the fixed frame and the plurality of turning frames. The flexible panel is disposed on the frame body and covers the bending module. When the flexible display is switched to a touch mode, the bending module drives the plurality of turning frames to be flush with the fixed frame so that the flexible panel is in a flat plate shape. When the flexible display is switched to a view mode, the bending module drives the plurality of turning frames to be bent relative to the fixed frame so that the flexible panel is in a curved shape.

First claim

What is claimed is:

1. A flexible display comprising:
a bottom plate;
a support plate provided with a first end and a second end, wherein e first end is rotatably connected to the bottom plate;
two hinge modules disposed at the second end of the support plate;
a frame body provided with a fixed frame and a plurality of turning frames, wherein the fixed frame is connected to the hinge modules, and the turning frames are pivoted to two opposite sides of the fixed frame respectively;
a bending module connected with the fixed frame and the turning frames; and
a flexible panel disposed on one side of the frame body and covering the bending module,
wherein when the flexible display is switched to a touch mode, the bending module drives the turning frames to be flush with the fixed frame so that the flexible panel is in a flat plate shape, and
when the flexible display is switched to a view mode, the bending module drives the turning frames to be bent relative to the fixed frame so that the flexible panel is in a curved shape,
wherein the frame body further comprises a back cover and a covering outer layer, the back cover is disposed on the other side of the frame body relative to the flexible panel, and the covering outer layer is disposed on the back cover,
wherein the back cover is provided with a plurality of gaps arranged in a staggered manner, and in the view mode, the back cover and the covering outer layer bend along with the frame body so that a size of each of the gaps is greater than a size of each of the gaps in the touch mode.

2. The flexible display according to claim 1 , wherein when the flexible display is switched to the touch mode, the support plate turns in a first turning direction relative to the bottom plate, and a first included angle between the support plate and the bottom plate is an acute angle, and
the frame body turns in a second turning direction opposite to the first turning direction relative to the support plate through the hinge modules, and a second included angle between the frame body and the support plate is an acute angle.

3. The flexible display according to claim 2 , wherein when the flexible display is switched to the view mode, the support plate turns in the second turning direction relative to the bottom plate, and a first included angle between the support plate and the bottom plate is a right angle, and
the frame body turns in the first turning direction relative to the support plate through the hinge modules, and the frame body and the support plate are parallel to each other.

4. The flexible display according to claim 1 , further comprising a plurality of internal rotating brackets and a plurality of external rotating brackets, wherein the internal rotating brackets are disposed on two sides of the fixed frame respectively and face the flexible panel, the external rotating brackets are disposed on the turning frames respectively and face the flexible panel, and each of the external rotating brackets is pivoted to the respective corresponding internal rotating bracket so that each of the turning frames is capable of pivoting relative to the fixed frame.

5. The flexible display according to claim 1 , wherein each of the hinge modules comprises:
a rotating shaft;
a first bracket rotatably sleeved on the rotating shaft, connected with the frame body, and provided with a first sliding groove;
a second bracket fixedly sleeved on the rotating shaft and connected with the second end of the support plate;
a first cam member rotatably and movably sleeved on the rotating shaft;
a second cam member fixedly sleeved on the rotating shaft and adjacent to the second bracket; and
a linkage pin penetrating through the first cam member and the first sliding groove and connected with the bending module,
wherein when pivoting in a first axial direction, the first bracket drives the first cam member to slide on the rotating shaft so as to closely abut against the second cam member, and the first cam member drives the linkage pin to move relatively close to the second cam member, and
when pivoting in a second axial direction opposite to the first axial direction, the first bracket drives the first cam member to slide on the rotating shaft so as to partly abut against the second cam member and form a distance, and the first cam member drives the linkage pin to move relatively away from the second cam member.

6. The flexible display according to claim 5 , wherein each of the hinge modules further comprises a torsion member and an auxiliary elastic member, the torsion member is fixedly sleeved on one end of the rotating shaft away from the second cam member and is in contact with the first bracket so as to provide a torsion, and the auxiliary elastic member is sleeved on the rotating shaft and abuts against the first cam member so as to provide an elastic force.

Assignees

• Jan Cheng Shiue
• Lan Wei Hao
• Chiang Chih Wen
• Chang Ching Tai
• Tzou Jyh Chyang
• Tseng Hsiao Wen
• Liu Yi Hsun
• Yeh Hsin
• Compal Electronics Inc

Inventors

• Jan Cheng-Shiue
• Lan wei-hao
• Chiang Chih-Wen
• Chang Ching-Tai
• Tzou Jyh-Chyang
• Tseng Hsiao-Wen
• Liu Yi-Hsun
• Yeh Hsin

Classifications

• G09F9/301

  flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED · CPC title

• G06F3/041

  Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means · CPC title

• G06F1/1641 Primary

  the display being formed by a plurality of foldable display components (G06F1/1647 takes precedence) · CPC title

• G06F1/1601 Primary

  Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays (constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64) · CPC title

• G06F1/1681

  Details related solely to hinges (hinge details related to the transmission of signals or power are classified in G06F1/1683) · CPC title