LIGHT DIFFUSING COMPONENT, BACKLIGHT COMPONENT AND DISPLAY DEVICE

• US 20200132911A1
• Filed: 10/01/2019
• Published: 04/30/2020
• Est. Priority Date: 10/29/2018
• Status: Active Grant

• Current Assignee: BOE Technology Group Co., Ltd., Hefei Boe Display Lighting Co., Ltd. (BOE Technology Group Co., Ltd.)
• Original Assignee: BOE Technology Group Co., Ltd., Hefei Boe Display Lighting Co., Ltd. (BOE Technology Group Co., Ltd.)
• Inventors: Zhang, Qiping, Xu, Yong, Wang, Xing
• Granted Patent: US 10,871,606 B2
• Time in Patent Office: Days
• CPC Class Codes: G02B 6/0051 Diffusing sheet or layer
• CPC Class Codes: G02B 6/0055 Reflecting element, sheet or layer
• CPC Class Codes: G02B 6/0061 to provide homogeneous light output intensity
• CPC Class Codes: G02B 6/0088 of the light guide or other optical sheets in the package

Abstract

The present disclosure relates to a field of display technologies and provides a light diffusing component, a backlight component having the same, and a display device. The light diffusing component may include a main body, a protruding portion, and a reflecting portion. The protruding portion is disposed on a side of the main body and protruded from the main body; the reflecting portion is disposed on the protruding portion and an edge region of the main body portion connected to the protruding portion, so as to reflect light incident from a lower portion of the light diffusing component. Light transmittance of the reflecting portion gradually increases in a direction away from a center of the diffusing component.

Claims

1. A light diffusing component, comprising:

a main body;

a protruding portion, disposed on a side of the main body and protruded from the main body;

a reflecting portion, disposed on the protruding portion and an edge region of the main body connected to the protruding portion, so as to reflect light incident from a lower portion of the light diffusing component;

wherein light transmittance of the reflecting portion gradually increases in a direction away from a center of the light diffusing component.

2. The light diffusing component according to claim 1, wherein the reflecting portion comprises a plurality of reflection points, and a size and a density of at least one of the reflection points gradually decreases in the direction away from the center of the light diffusing component.

3. The light diffusing component according to claim 2, wherein the reflection points disposed on the edge region of the main body connected to the protruding portion are uniformly arranged in a row along the side of the main body.

4. The light diffusing component according to claim 2, wherein a color of the reflecting points comprises at least one of white or silver.

5. The light diffusing component according to claim 2, wherein the reflection points disposed on the protruding portion are uniformly arranged in at least one of a plurality of rows, and each of the plurality of rows extends in a direction parallel to the side of the main body.

6. The light diffusing component according to claim 2, wherein the reflection points are a dot structure printed on the light diffusing component.

7. The light diffusing component according to claim 1, wherein the reflecting portion is a reflective film.

8. The light diffusing component according to claim 7, the reflective film is attached to or coated on the light diffusing component.

15. The backlight component according to claim 8, wherein the reflecting portion is a reflective film.

16. The backlight component according to claim 15, wherein the reflective film is attached to or coated on the light diffusing component.

9. A backlight component comprising a light diffusing component, wherein the light diffusing component comprises:

a main body;

a protruding portion, disposed on a side of the main body and protruded from the main body;

a reflecting portion, disposed on the protruding portion and an edge region of the main body connected to the protruding portion, so as to reflect light incident from a lower portion of the light diffusing component;

wherein light transmittance of the reflecting portion gradually increases in a direction away from a center of the light diffusing component.

10. The backlight component according to claim 9, wherein the reflecting portion comprises a plurality of reflection points, and a size and a density of at least one of the reflection points gradually decreases in the direction away from the center of the light diffusing component.

11. The backlight component according to claim 10, wherein the reflection points disposed on the edge region of the main body connected to the protruding portion are uniformly arranged in a row along the side of the main body.

12. The backlight component according to claim 10, wherein a color of the reflecting points comprises one or both of white and silver.

13. The backlight component according to claim 10, wherein the reflection points disposed on the protruding portion are uniformly arranged in at least one of a plurality of rows, and each of the plurality of rows extends in a direction parallel to the side of the body portion.

14. The backlight component according to claim 10, wherein the reflection points are a dot structure printed on the light diffusing component.

17. The backlight component according to claim 9, further comprising:

a light guide plate;

a light source, disposed at a side of the light guide plate,

wherein the light diffusing component is disposed on a surface of the light guide plate.

18. A display device comprising a backlight component having a light diffusing component, wherein the light diffusing component comprises:

a main body;

a protruding portion, disposed on a side of the main body and protruded from the main body;

a reflecting portion, disposed on the protruding portion and an edge region of the main body connected to the protruding portion, so as to reflect light incident from a lower portion of the light diffusing component;

wherein light transmittance of the reflecting portion gradually increases in a direction away from a center of the light diffusing component.

19. The display device according to claim 18, wherein the reflecting portion comprises a plurality of reflection points, and a size and a density of at least one of the reflection points gradually decreases in the direction away from the center of the light diffusing component.

20. The display device according to claim 19, wherein the reflection points disposed on the protruding portion are uniformly arranged in at least one row, and each of at least one row extends in a direction parallel to the side of the main body.