CN-122024596-A - Display apparatus

CN122024596ACN 122024596 ACN122024596 ACN 122024596ACN-122024596-A

Abstract

A display device comprises a transparent display panel and a reflection module. The transparent display panel is provided with a first display surface and a second display surface opposite to the first display surface, the reflection module is arranged on the first display surface and comprises a reflection layer and a light diffusion layer, the light diffusion layer and the reflection layer are sequentially overlapped on the first display surface, and the light reflectivity of the reflection layer is not less than 40%.

Inventors

CHEN JIANQI
YANG HAOXUN
LIN SHANGQIANG
XU YALING

Assignees

友达光电股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260325
Priority Date: 20251125

Claims (10)

1. A display device, characterized by comprising: A transparent display panel having a first display surface and a second display surface opposite to the first display surface, and A reflection module, set on the first display surface and including: a reflective layer, wherein the reflective layer has a light reflectance of not less than 40%, and And the light diffusion layer and the reflecting layer are sequentially arranged on the first display surface.
2. The display device of claim 1, wherein the transparent display panel comprises a micro light emitting diode display panel.
3. The display device of claim 1, wherein the haze of the light diffusing layer is 10% to 50%.
4. The display device of claim 1, wherein the reflective layer comprises a reflective polarizer or a metal layer.
5. The display device of claim 4, wherein when the reflective layer comprises the reflective polarizer, the reflective module further comprises: And the linear polaroid, wherein the light diffusion layer, the reflective polaroid and the linear polaroid are sequentially arranged on the first display surface, and the light transmission axis of the linear polaroid is the same as that of the reflective polaroid.
6. The display device of claim 1, wherein the display device has a bi-directional display area, and the bi-directional display area corresponds to the reflective module, wherein when the display device is in a bi-directional display mode, the bi-directional display area displays a reverse image on the first display surface, and the reflective module reflects the reverse image to make the bi-directional display area display a forward image on the second display surface.
7. A display device, characterized by comprising: A transparent display panel having a first display surface and a second display surface opposite to the first display surface, and A reflection module, set on the first display surface and including: a reflective polarizer, wherein the reflective polarizer has a light reflectance of not less than 40%, and And the linear polaroid is sequentially arranged on the first display surface, and the light transmission axis of the linear polaroid is the same as that of the reflective polaroid.
8. The display device of claim 7, wherein the transparent display panel comprises a micro light emitting diode display panel.
9. The display device of claim 7, wherein the reflective polarizer is a multilayer reflective polarizer or a wire grid polarizer.
10. The display device of claim 7, wherein the display device has a bi-directional display area, and the bi-directional display area corresponds to the reflective module, wherein when the display device is in a bi-directional display mode, the bi-directional display area displays a reverse image on the first display surface, and the reflective module reflects the reverse image to make the bi-directional display area display a forward image on the second display surface.

Description

Display apparatus Technical Field The present invention relates to a display device, and more particularly, to a display device with a bi-directional display function. Background In the prior art, a display device having a bi-directional display function is generally assembled from two independent display panels, for example, two micro LIGHT EMITTING diode (micro LIGHT EMITTING diode) display panels which can be used as transparent display panels. However, the foregoing method requires precise alignment and is prone to moire (moire) to affect the display quality, and is expensive. Disclosure of Invention The invention provides a display device which can achieve a bidirectional display function, is simple in manufacturing mode and has good display quality. The display device provided by at least one embodiment of the invention comprises a transparent display panel and a reflection module. The transparent display panel is provided with a first display surface and a second display surface opposite to the first display surface, and the reflection module is arranged on the first display surface and comprises a reflection layer and a light diffusion layer. The light diffusion layer and the reflecting layer are sequentially overlapped on the first display surface, and the light reflectivity of the reflecting layer is not less than 40%. In at least one embodiment of the present invention, the transparent display panel comprises a micro light emitting diode display panel. In at least one embodiment of the present invention, the haze of the light diffusion layer is 10% to 50%. In at least one embodiment of the present invention, the reflective layer comprises a reflective polarizer or a metal layer. In at least one embodiment of the present invention, when the reflective layer includes the reflective polarizer, the reflective module further includes a linear polarizer. The light diffusion layer, the reflective polarizer and the linear polarizer are sequentially arranged on the first display surface, and the light transmission axis of the linear polarizer is the same as that of the reflective polarizer. In at least one embodiment of the present invention, the display device has a bidirectional display area, and the bidirectional display area corresponds to the reflection module. When the display device is in a bidirectional display mode, the bidirectional display area displays reverse graphics and texts on the first display surface, and the bidirectional display area displays forward graphics and texts on the second display surface by reflecting the reverse graphics and texts by the reflecting module. In at least another embodiment of the present invention, a display device includes a transparent display panel and a reflective module. The transparent display panel is provided with a first display surface and a second display surface opposite to the first display surface, and the reflection module is arranged on the first display surface and comprises a reflection type polaroid and a linear polaroid. The reflective polarizer and the linear polarizer are sequentially arranged on the first display surface, the light reflectivity of the reflective polarizer is not less than 40%, and the light transmission axis of the linear polarizer is the same as that of the reflective polarizer. In at least another embodiment of the present invention, the transparent display panel comprises a micro light emitting diode display panel. In at least another embodiment of the present invention, the reflective polarizer is a multilayer film reflective polarizer or a wire grid polarizer. In at least another embodiment of the present invention, the display device has a bi-directional display area, and the bi-directional display area corresponds to the reflection module. When the display device is in a bidirectional display mode, the bidirectional display area displays reverse graphics and texts on the first display surface, and the bidirectional display area displays forward graphics and texts on the second display surface by reflecting the reverse graphics and texts by the reflecting module. Drawings Fig. 1 is a schematic top view of a display device according to at least one embodiment of the invention. Fig. 2 is a schematic cross-sectional view of fig. 1 along section line a-a'. Fig. 3A and fig. 3B are schematic imaging diagrams of a display device according to at least one embodiment of the invention on a first display surface and a second display surface respectively in a bidirectional display mode. Fig. 4 is an enlarged schematic view of the area a in fig. 2. Fig. 5 is an enlarged schematic view of a partial area of a display device according to at least another embodiment of the present invention. Fig. 6 is an enlarged schematic view of a partial area of a display device according to at least another embodiment of the present invention. Wherein, the reference numerals: 10 display device 100 Transparent display panel 200. 200A, 200A' ref