Backlight source and manufacturing method thereof, display substrate, display device and display method thereof

Patent metadata

Field	Value
Publication number	US-2018239192-A1
Application number	US-201715572984-A
Country	US
Kind code	A1
Filing date	May 4, 2017
Priority date	May 20, 2016
Publication date	Aug 23, 2018
Grant date	—

Abstract

Disclosed are a backlight source and a manufacturing method thereof, a display substrate, a display device and a display method thereof. The backlight source includes a base substrate; a partition layer, disposed on the base substrate and including a plurality of partition portions which are disposed at intervals along a direction parallel to the base substrate; a plurality of first light emitting components, respectively disposed between the plurality of partition portions along the direction parallel to the base substrate; and a plurality of second light emitting components, disposed at intervals with the plurality of first light emitting components, and respectively disposed on the plurality of partition portions.

First claim

1 . A backlight source, comprising:
a base substrate; a partition layer, disposed on the base substrate and comprising a plurality of partition portions which are disposed at intervals along a direction parallel to the base substrate; a plurality of first light emitting components, respectively disposed between the plurality of partition portions along the direction parallel to the base substrate; and a plurality of second light emitting components, disposed at intervals with the plurality of first light emitting components, and respectively disposed at a side of the plurality of partition portions away from the base substrate.

2 . The backlight source according to claim 1 , wherein a distance from a top end of each of the partition portions to the base substrate is larger than a distance from a top end of each of the first light emitting components to the base substrate.

3 . The backlight source according to claim 1 , wherein a width of the top end of each of the partition portions is larger than a width of an bottom end of each of the partition portions.

4 . The backlight source according to claim 1 , wherein a material of the partition layer comprises a light absorbing material.

5 . The backlight source according to claim 1 , wherein a material of the partition layer comprises negative photoresist.

6 . The backlight source according to claim 1 , wherein the partition layer comprises:
a first sub partition layer, comprising a plurality of first sub partition portions which are disposed at intervals; a second sub partition layer, stacked on a side of the first sub partition layer away from the base substrate and comprising a plurality of second sub partition portions which are disposed at intervals and respectively correspond to the plurality of first sub partition portions, wherein the plurality of first sub partition portions and the plurality of second sub partition portions form the plurality of partition portions.

7 . The backlight source according to claim 6 , wherein a width of a top end of each of the plurality of first sub partition portions is larger than or equal to a width of a bottom end of a corresponding one of the plurality of second sub partition portions.

8 . The backlight source according to claim 6 , wherein a width of a top end of each of the plurality of second sub partition portions is larger than a width of the bottom end of each of the plurality of second sub partition portions.

9 - 10 . canceled.

11 . The backlight source according to claim 1 , wherein each of the plurality of first light emitting components comprises a first light emitting unit and a second light emitting unit which are sequentially disposed along a direction perpendicular to the base substrate, the first light emitting unit is disposed between the second light emitting unit and the base substrate.

12 . The backlight source according to claim 11 , wherein the first light emitting unit and the second light emitting unit included in each of the plurality of first light emitting components share a same electrode.

13 . The backlight source according to claim 1 , wherein each of the plurality of second light emitting components comprises a plurality of light emitting units which are stacked.

14 . The backlight source according to claim 1 , wherein a side of the plurality of first light emitting components or the plurality of second light emitting components close to the base substrate has a reflective layer.

15 . A display substrate, comprising:
a base substrate; a partition layer, disposed on the base substrate and comprising a plurality of partition portions which are disposed at intervals along a direction parallel to the base substrate; a plurality of first light emitting components, respectively disposed between the plurality of partition portions along the direction parallel to the base substrate; and a plurality of second light emitting components, disposed at intervals with the plurality of first light emitting components, and respectively disposed at a side of the plurality of partition portions away from the base substrate.

16 . A display device, comprising:
a display panel and the backlight source according to claim 1 , wherein the display panel is at least partially located in an irradiating region of the backlight source.

17 . The display device according to claim 16 , further comprising:
a driving element, electrically connected with the plurality of first light emitting components and the plurality of the second light emitting components; wherein the driving element is configured to apply a driving signal to the plurality of first light emitting components or the plurality of second light emitting components, so as to correspondingly control the plurality of first light emitting components or the plurality of second light emitting components to emit light; or the driving element is configured to apply a driving signal to the plurality of first light emitting components and the plurality of second light emitting components, so as to control the plurality of first light emitting components and the plurality of second light emitting components to simultaneously emit light.

18 - 19 . canceled.

20 . The display device according to claim 16 , wherein the display panel comprises a pixel array, the pixel array comprises a plurality of sub pixel columns and a plurality of sub pixel rows, the plurality of partition portions are arranged along a row direction of the pixel array; and adjacent ones of the plurality of partition portions are provided with one or a plurality of sub pixels of the pixel array along the row direction.

21 . A display device, comprising:
the display substrate according to claim 15 ; and a driving element, electrically connected with the plurality of first light emitting components and the plurality of the second light emitting components.

22 . canceled.

23 . The display device according to claim 21 , wherein the driving element is configured to apply a driving signal to the plurality of first light emitting components or the plurality of second light emitting components, so as to correspondingly control the plurality of first light emitting components or the plurality of second light emitting components to emit light; or the driving element is configured to apply a driving signal to the plurality of first light emitting components and the plurality of second light emitting components, so as to control the plurality of first light emitting components and the plurality of second light emitting components to simultaneously emit light.

24 . canceled.

25 . A display method of the display device according to claim 16 , comprising:
controlling the plurality of first light emitting components included in the backlight source to emit light and the plurality of second light emitting components included in the backlight source not to emit light, or controlling the plurality of first light emitting components included in the backlight source not to emit light and the plurality of second light emitting components included in the backlight source to emit light, so as to realize 3D display; and/or controlling the plurality of first light emitting components and the plurality of second light emitting components which are included in the backlight source to simultaneously emit light, so as to realize 2D display.

26 . canceled.

27 . A display method of the display device

Assignees

• Boe Technology Group Co Ltd

Inventors

• Zhang Can

Classifications

• G02F1/133608 Primary

  including particular frames or supporting means · CPC title

• G02B30/26

  of the autostereoscopic type · CPC title

• G02F1/133603 Primary

  with LEDs · CPC title

• G02F1/133605

  including specially adapted reflectors · CPC title

• G02B6/00

  Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings · CPC title