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Display apparatus and display device

專(zhuān)利號(hào)
US12144132B2
公開(kāi)日期
2024-11-12
申請(qǐng)人
BOE Technology Group Co., Ltd.（CN Beijing）
發(fā)明人
Biao Gao; Lu Liu; Hong Zhu; Ziang Han; Zongyuan Wang; Xiaofei Luo
IPC分類(lèi)
H05K5/02
技術(shù)領(lǐng)域
housing,rolling,display,support,flexible,screen,rollable,portion,rigid,in
地域： Beijing

摘要

A display apparatus and a display device, the display apparatus includes a first housing, a second housing, and a flexible display screen disposed on the first housing and the second housing; the flexible display screen includes a roll-up portion and a fixing portion that are connected to one another, the roll-up portion is at least partially disposed on the second housing, the fixing portion is at least partially disposed on the first housing, the second housing is slidably connected to the first housing, and at least part of the roll-up portion can slide out of or slide into the first housing following the second housing; a supporting structure is provided between at least part of the roll-up portion and the second housing, and the supporting structure provides a supporting force for the roll-up portion.

說(shuō)明書(shū)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
CROSS-REFERENCE TO RELATED APPLICATIONS

The present application is a U.S. National Phase Entry of International Application PCT/CN2021/131600 having an international filing date of Nov. 19, 2021, which claims priority of Chinese patent application No. 202110118963.1, filed to CNIPA on Jan. 28, 2021 and entitled “Display Apparatus and Display Device”, and the contents disclosed in the above-mentioned application are hereby incorporated as a part of this application.

TECHNICAL FIELD

The present disclosure relates to, but is not limited to, the field of display technology, in particular to a display apparatus and a display device.

BACKGROUND

With the development of display panel technology, a screen can be folded and bent to a certain extent by use of good flexible characteristics of flexible display screen, and then a technology for realizing extension and expansion of a terminal display screen through scroll function is further developed. At present, a stretchable or sildable display device with the flexible display screen design is provided with a sliding plate, which is capable of translating and stretching on a fixed plate with respect to the fixed plate, and the flexible display screen is disposed on the fixed plate and the sliding plate, such that the adjustable extension and expansion of the display screen is accomplished.

However, when the sliding plate is stretched relative to the fixed plate, there is a segment difference in a height direction of the two stacked plates, therefore a stamping problem of the flexible display screen will easily occur at the segment difference, and support flatness of a stretched part of the flexible display screen cannot be ensured.

權(quán)利要求

1
The invention claimed is:1. A display apparatus, comprising a first housing, a second housing and a flexible display screen disposed on the first housing and the second housing respectively; the flexible display screen comprises a rolling portion and a fixed portion connected with each other, the rolling portion is at least partially disposed on the second housing, the fixed portion is at least partially disposed on the first housing, the second housing is slidably connected with the first housing, and the rolling portion can at least partially slide out of or into the first housing following the second housing; a support structure is disposed between the second housing and at least a part of the rolling portion, and the support structure provides a support force for the rolling portion, such that when the rolling portion slides out of the first housing, a surface of the rolling portion away from the second housing is flushed with a surface of the fixed portion away from the first housing-,wherein the support structure comprises at least two rigid support strips, and an extending direction of the rigid support strips is perpendicular to a stretching direction of the flexible display screen, and the rigid support strips are arranged side by side along the stretching direction of the flexible display screen, and a rolling space is formed between adjacent rigid support strips,wherein the rigid support strip at least has a first surface, the first surface is located at one side of the rigid support strip close to the rolling portion and is fixedly connected with the rolling portion, and first surfaces of adjacent rigid support strips form a support surface for providing a support force for the rolling portion,wherein the rigid support strip further has a second surface, and the second surface is located at one side of the rigid support strip close to the second housing, and is slidably connected with the second housing, and the second surface is provided with at least one fixing block, and one side of the second housing close to the fixed portion of the flexible display screen is provided with a clamping groove, when the rolling portion slides out of the first housing, the fixing block is capable of being embedded in the clamping groove to limit movement of the rolling portion in a direction away from the second housing.2. The display apparatus according to claim 1, wherein inner angles formed between two opposite side surfaces of the rigid support strip in the stretching direction of the flexible display screen and a surface of the rolling portion are obtuse angles, such that a rolling space is formed between the side surfaces of adjacent rigid support strips.3. The display apparatus according to claim 1, wherein the first surfaces are planar.4. The display apparatus according to claim 1, wherein the fixing block comprises a support member and a buckle disposed at one side of the support member away from the second surface, and the buckle is capable of being embedded in the clamping groove to limit the movement of the rolling portion in the direction away from the second housing.5. The display apparatus according to claim 1, wherein the second surface is provided with one fixing block, and the fixing block is located in the middle of the rigid support strip in a direction perpendicular to the stretching direction of the flexible display screen.6. The display apparatus according to claim 1, further comprising a tensioning member and a winding assembly arranged in the housing, one end of the tensioning member is connected with one end of the rolling portion away from the fixed portion, and the other end of the tensioning member is connected with the winding assembly.7. The display apparatus according to claim 1, wherein the rolling portion comprises a back film, the back film comprises a rollable portion and a non-rollable portion connected with each other, and a modulus of a material of the rollable portion is smaller than a modulus of a material of the non-rollable portion.8. The display apparatus according to claim 7, wherein the modulus of the material of the rollable portion is 2 GPa to 5 GPa, and the modulus of the material of the non-rollable portion is 6 GPa to 15 GPa.9. A display device, comprising the display apparatus according to claim 1.
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