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Bottom emission white light organic light emitting diode (WOLED) and manufacturing method thereof, and display device

A technology of light-emitting diodes and bottom emission, applied in semiconductor/solid-state device manufacturing, electrical components, electric solid-state devices, etc., can solve the problems of low energy utilization rate, high panel power consumption, low color purity, etc., to increase energy utilization efficiency , reduce power consumption, and improve the effect of color gamut performance

Active Publication Date: 2019-06-11
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the wide spectrum of white light, when using a color filter (CF) to separate white light into RGB three primary colors, the RG spectrum is usually wide and the color purity is low, and the color gamut performance of the panel is difficult to break through the 100 set by NTSC %standard
In addition, when white light is separated into RG spectrum, only a small amount of red or green light in the white light spectrum can be used, and the energy loss of blue and yellow light is relatively large.
Therefore, due to the low energy utilization rate of the existing WOLED, it will cause the problem of high power consumption when the panel is working.

Method used

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  • Bottom emission white light organic light emitting diode (WOLED) and manufacturing method thereof, and display device
  • Bottom emission white light organic light emitting diode (WOLED) and manufacturing method thereof, and display device
  • Bottom emission white light organic light emitting diode (WOLED) and manufacturing method thereof, and display device

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Embodiment Construction

[0031]Reference in the detailed description to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The same terms appearing in different positions in the specification are not necessarily limited to the same implementation, but should be understood as independent or alternative implementations from other embodiments. Inspired by the technical solutions disclosed in the embodiments provided in the present invention, those skilled in the art should understand that the embodiments described in the present invention may have other combinations or changes of technical solutions consistent with the concept of the present invention.

[0032] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be practiced. The directional terms mentioned in the prese...

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Abstract

The invention discloses a bottom emission white light organic light emitting diode (WOLED) display panel and a manufacturing method thereof, and a display device. The bottom emission WOLED display panel comprises a substrate, a thin film transistor, a WOLED color film layer, a quantum dot photoconversion layer, a first electrode, a WOLED electroluminescent functional layer and a second electrode,wherein the WOLED color film layer is sequentially provided with red, green, blue and white (RGBW) pixels; the quantum dot photoconversion layer comprises a quantum dot red-green (QD-R&G) luminescentmaterial disposed corresponding to the red-green (RG) pixel; the WOLED electroluminescent functional layer is disposed on the first electrode; and the second electrode is disposed on the WOLED electroluminescent functional layer. By converting the blue or yellow light of the WOLED electroluminescent functional layer into red and green light by the quantum dot red-green luminescent material of thequantum dot photoconversion layer, the brightness of the red pixel and the green pixel is increased to improve the color gamut performance of the bottom emission WOLED display panel.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a bottom emission white light organic light emitting diode (WOLED) display panel, a manufacturing method thereof, and a display device. Background technique [0002] Organic light-emitting diode (OLED) is a new type of display technology. Compared with LCD display technology, it has active light emission, true color, infinite contrast, zero delay, transparent display, flexible display, free-form display (Free-Form D insulation It is a next-generation display technology that can replace liquid crystal display technology. Since OLED display technology does not require a backlight source, its structure is simpler than that of LCD, and the volume of display products can be made lighter and thinner. White organic light-emitting diodes (WOLED) are mainly used in large-size panel display technology. WOLED technology is different from the side-by-side (side-by-side) RGB technology wide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/50H01L51/52H01L51/56H01L27/32
CPCH10K59/8722H10K59/871
Inventor 吴元均袁伟矫士博
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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