CN-121985687-A - Display panel

CN121985687ACN 121985687 ACN121985687 ACN 121985687ACN-121985687-A

Abstract

The display panel comprises a plurality of first light-emitting units, wherein the first light-emitting units are provided with first light-emitting elements and first lens structures which are arranged correspondingly, the display panel comprises a substrate, pixel layers, packaging layers and light control layers which are sequentially distributed on the substrate in a laminated mode, the pixel layers are provided with the first light-emitting elements, the light control layers are provided with the first lens structures, the length of the first lens structures is larger than the width of the first lens structures, and light rays emitted by the first light-emitting elements are emitted through the first lens structures. The display panel can improve the phenomenon that four corners of the display screen are darkened.

Inventors

GAO YAMEI
WANG JIALI
LI QIAN
YANG CHENGLONG
TANG WEI

Assignees

京东方科技集团股份有限公司
成都京东方光电科技有限公司
北京京东方技术开发有限公司

Dates

Publication Date: 20260505
Application Date: 20241030

Claims (10)

1. The display panel is characterized by comprising a plurality of first light-emitting units, wherein the first light-emitting units are provided with first light-emitting elements and first lens structures which are correspondingly arranged; The display panel is provided with a substrate, and a pixel layer, a packaging layer and a light control layer which are sequentially laminated and distributed on the substrate, wherein the pixel layer is provided with the first light-emitting element, and the light control layer is provided with the first lens structure; the length of the first lens structure is larger than the width of the first lens structure, and the light rays emitted by the first light-emitting element are emitted through the first lens structure.
2. The display panel of claim 1, wherein the surface of the first lens structure satisfies the following formula: z＝a 1 *x 2 +b 1 *y 2 +a 2 *x 4 +b 2 *y 4 +c 1 *x 2 y 2 +c 2 *x 4 y 4 Wherein ,0≤a 1 ≤0.9;-0.9≤a 2 ≤0.9;0≤b 1 ≤0.9;-0.9≤b 2 ≤0.9;-0.1≤c 1 ≤0.1;-0.1≤c 2 ≤0.1,x denotes a horizontal distance between the center of the first light-emitting element and a certain point of the surface of the first lens structure in the first direction, y denotes a horizontal distance between the center of the first light-emitting element and a certain point of the surface of the first lens structure in the second direction, and z denotes a vertical distance between the encapsulation layer and a certain point of the surface of the first lens structure.
3. The display panel of claim 2, wherein ,a 1 ＝0.1;a 2 ＝0.000105;b 1 ＝0.012;b 2 ＝0.0012;c 1 ＝0;c 2 ＝0.000000535.
4. The display panel of claim 2, wherein ,a 1 ＝0.015;a 2 ＝0.00165;b 1 ＝0.18;b 2 ＝0.0012;c 1 ＝0.000112;c 2 ＝0.
5. The display panel of claim 1, wherein the first lens structure comprises a first sub-lens structure and a second sub-lens structure, the second sub-lens structure being located on a side of the first sub-lens structure remote from the substrate, an orthographic projection of the second sub-lens structure on the substrate being located within an orthographic projection of the first sub-lens structure on the substrate.
6. The display panel of claim 5, wherein a distance between an edge of the second sub-lens structure to an edge of the first sub-lens structure is equal.
7. The display panel of claim 6, wherein the surface of the first sub-lens structure satisfies the following formula: z＝a 1 *x 2 +b 1 *y 2 +a 2 *x 4 +b 2 *y 4 +c 1 *x 2 y 2 +c 2 *x 4 y 4 Wherein ,0≤a 1 ≤0.9;-0.9≤a 2 ≤0.9;0≤b 1 ≤0.9;-0.9≤b 2 ≤0.9;-0.1≤c 1 ≤0.1;-0.1≤c 2 ≤0.1,x denotes a horizontal distance between the center of the first light-emitting element and a certain point of the surface of the first sub-lens structure in a first direction, y denotes a horizontal distance between the center of the first light-emitting element and a certain point of the surface of the first sub-lens structure in a second direction, and z denotes a vertical distance between the encapsulation layer and a certain point of the surface of the first sub-lens structure; The surface of the second sub-lens structure satisfies the following formula: z＝a 1 *x 2 +b 1 *y 2 +a 2 *x 4 +b 2 *y 4 +c 1 *x 2 y 2 +c 2 *x 4 y 4 Wherein ,0≤a 1 ≤0.9;-0.9≤a 2 ≤0.9;0≤b 1 ≤0.9;-0.9≤b 2 ≤0.9;-0.1≤c 1 ≤0.1;-0.1≤c 2 ≤0.1,x denotes a horizontal distance between the center of the first light emitting element and a certain point of the surface of the second sub-lens structure in the first direction, y denotes a horizontal distance between the center of the first light emitting element and a certain point of the surface of the second sub-lens structure in the second direction, and z denotes a vertical distance between the encapsulation layer and a certain point of the surface of the second sub-lens structure.
8. The display panel of claim 7, wherein in the first sub-lens structure ,a 1 ＝0.0072;a 2 ＝0.0008321;b 1 ＝0.0872;b 2 ＝0.00072;c 1 ＝0;c 2 ＝-0.00001015; In the second sub-lens structure ,a 1 ＝0.015;a 2 ＝0.00165;b 1 ＝0.18;b 2 ＝0.0012;c 1 ＝0.000112;c 2 ＝0.
9. The display panel of claim 1, further comprising a black matrix; The black matrix is positioned on one side of the first lens structure away from the encapsulation layer, or the black matrix is positioned between the encapsulation layer and the first lens structure.
10. The display panel of claim 1, further comprising a plurality of second light emitting units; the second light emitting unit has a viewing angle in the row direction larger than that of the first light emitting unit.

Description

Display panel Technical Field The disclosure relates to the technical field of display, in particular to a display panel. Background In the related art, after the peep-proof mode is started by the co-driver screen, although the screen cannot be seen by the main driving view angle, the peep-proof effect is achieved, but the phenomenon that four corners of the display screen are dark is caused when the display screen is seen by the co-driver view angle. It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art. Disclosure of Invention The present disclosure is directed to overcoming the shortcomings of the prior art, and providing a display panel that can improve the phenomenon of darkening four corners of a display screen. According to one aspect of the present disclosure, there is provided a display panel having a plurality of first light emitting units having first light emitting elements and first lens structures disposed correspondingly; The display panel is provided with a substrate, and a pixel layer, a packaging layer and a light control layer which are sequentially laminated and distributed on the substrate, wherein the pixel layer is provided with the first light-emitting element, and the light control layer is provided with the first lens structure; the length of the first lens structure is larger than the width of the first lens structure, and the light rays emitted by the first light-emitting element are emitted through the first lens structure. In one embodiment of the present disclosure, the surface of the first lens structure satisfies the following formula: z＝a1*x2+b1*y2+a2*x4+b2*y4+c1*x2y2+c2*x4y4 Wherein ,0≤a1≤0.9;-0.9≤a2≤0.9;0≤b1≤0.9;-0.9≤b2≤0.9;-0.1≤c1≤0.1;-0.1≤c2≤0.1,x denotes a horizontal distance between the center of the first light-emitting element and a certain point of the surface of the first lens structure in the first direction, y denotes a horizontal distance between the center of the first light-emitting element and a certain point of the surface of the first lens structure in the second direction, and z denotes a vertical distance between the encapsulation layer and a certain point of the surface of the first lens structure. In one embodiment of the present disclosure ,a1＝0.1;a2＝0.000105;b1＝0.012;b2＝0.0012;c1＝0;c2＝0.000000535. In one embodiment of the present disclosure ,a1＝0.015;a2＝0.00165;b1＝0.18;b2＝0.0012;c1＝0.000112;c2＝0. In one embodiment of the disclosure, the first lens structure comprises a first sub-lens structure and a second sub-lens structure, the second sub-lens structure is located on one side of the first sub-lens structure away from the substrate, and the orthographic projection of the second sub-lens structure on the substrate is located inside the orthographic projection of the first sub-lens structure on the substrate. In one embodiment of the present disclosure, the distances between the edges of the second sub-lens structures to the edges of the first sub-lens structures are equal. In one embodiment of the present disclosure, the surface of the first sub-lens structure satisfies the following formula: z＝a1*x2+b1*y2+a2*x4+b2*y4+c1*x2y2+c2*x4y4 Wherein ,0≤a1≤0.9;-0.9≤a2≤0.9;0≤b1≤0.9;-0.9≤b2≤0.9;-0.1≤c1≤0.1;-0.1≤c2≤0.1,x denotes a horizontal distance between the center of the first light-emitting element and a certain point of the surface of the first sub-lens structure in a first direction, y denotes a horizontal distance between the center of the first light-emitting element and a certain point of the surface of the first sub-lens structure in a second direction, and z denotes a vertical distance between the encapsulation layer and a certain point of the surface of the first sub-lens structure; The surface of the second sub-lens structure satisfies the following formula: z＝a1*x2+b1*y2+a2*x4+b2*y4+c1*x2y2+c2*x4y4 Wherein ,0≤a1≤0.9;-0.9≤a2≤0.9;0≤b1≤0.9;-0.9≤b2≤0.9;-0.1≤c1≤0.1;-0.1≤c2≤0.1,x denotes a horizontal distance between the center of the first light emitting element and a certain point of the surface of the second sub-lens structure in the first direction, y denotes a horizontal distance between the center of the first light emitting element and a certain point of the surface of the second sub-lens structure in the second direction, and z denotes a vertical distance between the encapsulation layer and a certain point of the surface of the second sub-lens structure. In one embodiment of the present disclosure, in the first sub-lens structure ,a1＝0.0072;a2＝0.0008321;b1＝0.0872;b2＝0.00072;c1＝0;c2＝-0.00001015; In the second sub-lens structure ,a1＝0.015;a2＝0.00165;b1＝0.18;b2＝0.0012;c1＝0.000112;c2＝0. In one embodiment of the present disclosure, the display panel further has a black matrix; The black matrix is positioned on one side of the first l