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CN-224232168-U - Display module and vehicle

CN224232168UCN 224232168 UCN224232168 UCN 224232168UCN-224232168-U

Abstract

The application discloses a display module and a vehicle, wherein the display module comprises a texture pattern layer, a first transparent electrode layer, a piezoelectric vibration layer and a second transparent electrode layer, the texture pattern layer is arranged between a display panel and a cover plate, the first transparent electrode layer is arranged on one side of the texture pattern layer, which is far away from the display panel, the piezoelectric vibration layer is arranged on one side of the first transparent electrode layer, which is far away from the display panel, and the second transparent electrode layer is arranged on one side of the piezoelectric vibration layer, which is far away from the display panel, so that the display module can realize the display effect of the texture pattern, and after the first transparent electrode layer and the second transparent electrode layer are electrified, the touch piezoelectric vibration layer can generate vibration, and when a finger slides on the display module, the vibration sense can be felt, thereby simultaneously realizing the visual effect of the decoration surface of the display module and the physical touch effect.

Inventors

  • GONG JINHUI

Assignees

  • TCL华星光电技术有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (10)

  1. 1. A display module, comprising: a display panel; the cover plate is arranged on the light emitting side of the display panel; The texture pattern layer is arranged between the display panel and the cover plate; The first transparent electrode layer is arranged on one side of the texture pattern layer away from the display panel; The piezoelectric vibration layer is arranged on one side, far away from the display panel, of the first transparent electrode layer; And the second transparent electrode layer is arranged on one side of the piezoelectric vibration layer away from the display panel.
  2. 2. The display module of claim 1, wherein the piezoelectric vibration layer includes a plurality of piezoelectric vibration portions, the plurality of piezoelectric vibration portions being disposed at intervals.
  3. 3. The display module according to claim 2, wherein the display panel includes a plurality of pixels, and the plurality of pixels are arranged at intervals, wherein in a preset direction of the display module, a ratio of a length of the piezoelectric vibrating portion to a length of the pixel is N, wherein N is a positive integer, and N is not greater than 6.
  4. 4. A display module according to claim 3, wherein the display panel further comprises a black matrix including a plurality of light shielding portions located between adjacent two of the pixels, wherein a pitch between the piezoelectric vibrating portions is equal to a width of the light shielding portions.
  5. 5. The display module of claim 2, further comprising a controller electrically connected to the first transparent electrode layer and the second transparent electrode layer for providing a voltage signal to the piezoelectric vibration layer through the first transparent electrode layer and the second transparent electrode layer.
  6. 6. The display module of claim 5, wherein the textured pattern layer comprises a plurality of different textured areas, and the controller is further configured to input voltage signals of different magnitudes to the piezoelectric vibrating portions located in the different textured areas through the first transparent electrode layer and the second transparent electrode layer.
  7. 7. The display module of claim 1, wherein the piezoelectric vibration layer has a thickness of 2um to 5um.
  8. 8. The display module of claim 1, wherein the material of the textured pattern layer is wood paint.
  9. 9. The display module of claim 8, wherein the wood coating has a thickness of 0.1um to 1um.
  10. 10. A vehicle comprising a display module according to any one of claims 1-9.

Description

Display module and vehicle Technical Field The application relates to the technical field of display, in particular to a display module and a vehicle. Background With the breakthrough of technologies such as organic light-emitting display and touch interaction, a technology of integrating a light-transmitting skin material into a display screen appears, so that the display screen becomes a decorative surface with design sense, but the decorative surface of a conventional display screen can only realize visual effect, lacks real physical touch sense, and can only feel the surface of a smooth display screen and cannot experience touch effect of the decorative surface when a finger touches the display screen. Disclosure of utility model Embodiments of the present application provide a display module and a vehicle capable of realizing a physical haptic effect while realizing a visual effect of a decorative surface of the display module. In a first aspect, an embodiment of the present application provides a display module, including: a display panel; the cover plate is arranged on the light emitting side of the display panel; The texture pattern layer is arranged between the display panel and the cover plate; The first transparent electrode layer is arranged on one side of the texture pattern layer away from the display panel; The piezoelectric vibration layer is arranged on one side, far away from the display panel, of the first transparent electrode layer; And the second transparent electrode layer is arranged on one side of the piezoelectric vibration layer away from the display panel. Further, the piezoelectric vibration layer comprises a plurality of piezoelectric vibration parts, and the piezoelectric vibration parts are arranged at intervals. Further, the display panel comprises a plurality of pixels and a plurality of pixels are arranged at intervals, wherein in the preset direction of the display module, the ratio of the length of the piezoelectric vibration part to the length of the pixels is N, wherein N is a positive integer, and N is not more than 6. Further, the display panel further includes a black matrix including a plurality of light shielding portions located between adjacent two of the pixels, wherein a pitch between the piezoelectric vibrating portions is equal to a width of the light shielding portions. Further, the display module further comprises a controller, wherein the controller is electrically connected with the first transparent electrode layer and the second transparent electrode layer and is used for providing voltage signals for the piezoelectric vibration layer through the first transparent electrode layer and the second transparent electrode layer. Further, the texture pattern layer comprises a plurality of different texture areas, and the controller is further used for inputting voltage signals with different magnitudes to the piezoelectric vibrating parts located in different texture areas through the first transparent electrode layer and the second transparent electrode layer. Further, the thickness of the piezoelectric vibration layer is 2 um-5 um. Further, the texture pattern layer is made of wood paint. Further, the thickness of the wood coating is 0.1-1 um. Further, the display module further comprises a transparent adhesive layer, and the texture pattern layer is adhered to the display panel through the transparent adhesive layer. In a second aspect, an embodiment of the present application provides a vehicle including the display module. The application has the beneficial effects that: The application provides a display module, which comprises a texture pattern layer, a first transparent electrode layer, a piezoelectric vibration layer and a second transparent electrode layer, wherein the texture pattern layer is arranged between a display panel and a cover plate, the first transparent electrode layer is arranged on one side of the texture pattern layer, which is far away from the display panel, the piezoelectric vibration layer is arranged on one side of the first transparent electrode layer, which is far away from the display panel, and the second transparent electrode layer is arranged on one side of the piezoelectric vibration layer, which is far away from the display panel, so that the display module can realize the display effect of the texture pattern, vibration can be generated by touching the piezoelectric vibration layer after the first transparent electrode layer and the second transparent electrode layer are electrified, and when a finger slides on the display module, the vibration sense can be felt, thereby simultaneously realizing the visual effect and the physical touch effect of the decoration surface of the display module. Drawings FIG. 1 is a top view of a display module according to the present application; FIG. 2 is a schematic view of a first structure at A-A' of the display module of the piezoelectric vibration portion of the display module of FIG