WOLED display panel

Abstract

Provided is a WOLED display panel. A plurality of first sub-pixel regions, second sub-pixel regions, third sub-pixel regions and fourth sub-pixel regions are defined on the WOLED display panel, and the WOLED display panel comprises a first substrate, a light-emitting layer arranged on the first substrate, and a color resistance layer arranged on one side of a light-emitting surface of the light-emitting layer, and a plurality of electrochromic devices arranged on one side of the light-emitting surface of the light-emitting layer. The light emitting-layer comprises a first sub-pixel located in the first sub-pixel area, a second sub-pixel located in the second sub-pixel area, a third sub-pixel located in the third sub-pixel area and a fourth sub-pixel located in the fourth sub-pixel area; the color resistance layer comprises a first color resistance, a second color resistance and a third color resistance which are in one-to-one correspondence with the first sub-pixel, the second sub-pixel and the third sub-pixel; and each electrochromic device corresponds to one fourth sub-pixel, and the electrochromic device is automatically adjusted to be in a transparent state or a colored state along with different pictures needing to be displayed in the fourth sub-pixel area.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a WOLED display panel. Background technique [0002] The existing WOLED (White Organic Light-Emitting Diode, white organic light-emitting diode) display device uses WOLED+CF (Color Filter, color filter film) method to realize full-color display, and can retain white sub-pixels to improve the picture quality. brightness. In the field of large-size screen display, technologies such as WOLED+CF and OPEN MASK are usually used to manufacture OLED display devices. [0003] For the WOLED+CF display panel, each display pixel (pixel) includes four sub-pixels (sub-pixels), that is, red (R), green (G), blue (B), and white (W) sub-pixels. Since most of the white light will be reflected or absorbed when passing through the CF color resist, the general light output efficiency will be reduced by about 70%. Therefore, if the W sub-pixel is set, the corresponding CF has no color resist, and th...

AI Technical Summary

Problems solved by technology

[0006] An embodiment of the present invention provides a WOLED display panel to solve the problem that in the existing WOLED display device, due to differences in the opening areas of sub-pixels of different colors, the resolution of the panel will be affected, and the resolution of the panel will be affected by increasing the opening area of ​​the sub-pixels. Increasing the light output rate will also increase the technical problem of panel power consumption

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