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CN-117529170-B - Display panel and display device

CN117529170BCN 117529170 BCN117529170 BCN 117529170BCN-117529170-B

Abstract

The invention discloses a display panel and a display device, wherein the display panel comprises a substrate, a light-emitting functional layer, a shading layer and a plurality of light filtering parts, the light-emitting functional layer is arranged on the substrate and comprises a plurality of light-emitting parts, the shading layer is arranged on one side of the light-emitting functional layer far away from the substrate and comprises a plurality of openings which are arranged corresponding to the light-emitting parts, the plurality of light filtering parts are filled in the plurality of openings, wherein a light reflecting surface is arranged on the inner wall of each opening so as to reflect light.

Inventors

  • LI YUANHANG

Assignees

  • 武汉华星光电半导体显示技术有限公司

Dates

Publication Date
20260512
Application Date
20231031

Claims (10)

  1. 1. A display panel, comprising: A substrate; A light-emitting functional layer disposed on the substrate, the light-emitting functional layer including a plurality of light-emitting portions; The light shielding layer is arranged on one side, far away from the substrate, of the light emitting functional layer, and the light shielding layer comprises a plurality of openings which are arranged corresponding to the light emitting parts; a plurality of filter parts filled in the openings; The touch electrode layer is arranged between the shading layer and the luminous functional layer, and the shading layer covers the touch electrode layer; wherein, be provided with the light reflection face on the inner wall of opening to reflect light.
  2. 2. The display panel according to claim 1, further comprising a light adjusting portion provided on an inner wall of the opening, the light adjusting portion being located between the light filtering portion and the light shielding layer, and the light reflecting surface being provided on a side of the light adjusting portion adjacent to the light filtering portion.
  3. 3. The display panel according to claim 2, wherein the light adjusting portion is covered on an inner wall of the opening, a cross-sectional shape of the opening in a direction perpendicular to the substrate includes an inverted trapezoid, and an orthographic projection of the light emitting portion on the light shielding layer is located in the opening.
  4. 4. The display panel of claim 2, wherein the touch electrode layer comprises a first electrode and a second electrode; The front projection of the first electrode on the shading layer and the front projection of the second electrode on the shading layer are not overlapped with the opening.
  5. 5. The display panel of claim 4, wherein the first electrode includes a plurality of first sub-portions arranged and connected along a first direction, and the second electrode includes a plurality of second sub-portions arranged and spaced along a second direction, the first direction intersecting the second direction; the display panel further comprises a bridging layer arranged on one side, far away from the touch electrode layer, of the shading layer, the bridging layer comprises a plurality of bridging parts, and two ends of each bridging part penetrate through the shading layer and are respectively connected with two adjacent second sub-parts.
  6. 6. The display panel of claim 5, wherein the bridge layer further comprises the dimming portion, and the dimming portion is spaced apart from the bridge portion.
  7. 7. The display panel according to claim 5, further comprising an anti-reflection layer disposed on a side of the bridge layer away from the light shielding layer, wherein the anti-reflection layer covers at least a surface of the bridge portion on a side of the bridge portion away from the light shielding layer.
  8. 8. The display panel according to claim 5, wherein the bridge portion is a mesh structure, and the openings are correspondingly disposed in meshes of the mesh structure.
  9. 9. The display panel according to any one of claims 1 to 8, further comprising an encapsulation layer provided between the light-emitting functional layer and the light-shielding layer, a high refractive index layer provided on a side of the light-shielding layer away from the light-emitting functional layer, and a refractive index of the encapsulation layer being smaller than a refractive index of the light-filtering portion, the refractive index of the light-filtering portion being smaller than a refractive index of the high refractive index layer.
  10. 10. A display device comprising the display panel according to any one of claims 1 to 9.

Description

Display panel and display device Technical Field The present invention relates to the field of display technologies, and in particular, to a display panel and a display device. Background Compared with a traditional (Liquid CRYSTAL DISPLAY, LCD) display panel, an organic light-emitting diode (OLED) display panel has the advantages of light weight, wide viewing angle, quick response time, low temperature resistance, high luminous efficiency and the like, so that the organic light-emitting diode (OLED) display panel is always considered as a next-generation novel display technology in the display industry, and particularly, the OLED display panel can be made into a flexible display screen capable of being bent on a flexible substrate, which is a great advantage of the OLED display panel. At present, a polaroid is usually attached to the light-emitting surface of an OLED display panel, and the polaroid can effectively reduce the reflectivity of the panel under strong light, but the loss of the OLED display panel is close to 58%, so that the light-emitting efficiency of the OLED display panel is greatly reduced. Disclosure of Invention The embodiment of the invention provides a display panel and a display device, which can improve the light emitting efficiency of the display panel. An embodiment of the present invention provides a display panel including: A substrate; A light-emitting functional layer disposed on the substrate, the light-emitting functional layer including a plurality of light-emitting portions; The light shielding layer is arranged on one side, far away from the substrate, of the light emitting functional layer, and the light shielding layer comprises a plurality of openings which are arranged corresponding to the light emitting parts; a plurality of filter parts filled in the openings; wherein, be provided with the light reflection face on the inner wall of opening to reflect light. In an embodiment of the invention, the display panel further includes a light adjusting portion disposed on an inner wall of the opening, the light adjusting portion is located between the light filtering portion and the light shielding layer, and the light reflecting surface is disposed on a side of the light adjusting portion, which is close to the light filtering portion. In one embodiment of the present invention, the light modulation part covers an inner wall of the opening, the cross section of the opening along a direction perpendicular to the substrate comprises an inverted trapezoid, and an orthographic projection of the light emitting part on the light shielding layer is located in the opening. In one embodiment of the present invention, the display panel further includes a touch electrode layer disposed between the light shielding layer and the light emitting functional layer, the touch electrode layer including a first electrode and a second electrode; The front projection of the first electrode on the shading layer and the front projection of the second electrode on the shading layer are not overlapped with the opening. In one embodiment of the present invention, the first electrode includes a plurality of first sub-portions arranged and connected in a first direction, and the second electrode includes a plurality of second sub-portions arranged and spaced in a second direction, the first direction intersecting the second direction; the display panel further comprises a bridging layer arranged on one side, far away from the touch electrode layer, of the shading layer, the bridging layer comprises a plurality of bridging parts, and two ends of each bridging part penetrate through the shading layer and are respectively connected with two adjacent second sub-parts. In an embodiment of the invention, the bridge layer further includes the dimming portion, and the dimming portion is spaced from the bridge portion. In an embodiment of the invention, the display panel further includes an anti-reflection layer disposed on a side of the bridge layer away from the light shielding layer, and the anti-reflection layer at least covers a surface of the bridge portion on a side of the bridge portion away from the light shielding layer. In one embodiment of the present invention, the bridge portion is a grid structure, and the openings are correspondingly disposed in the mesh openings of the grid structure. In an embodiment of the invention, the display panel further includes an encapsulation layer disposed between the light-emitting functional layer and the light-shielding layer, and a high refractive index layer disposed on a side of the light-shielding layer away from the light-emitting functional layer, wherein a refractive index of the encapsulation layer is smaller than a refractive index of the light filtering portion, and a refractive index of the light filtering portion is smaller than a refractive index of the high refractive index layer. According to the above object of the present invention, an embodiment