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full color oled display

A display, red technology, applied in the direction of electric solid state device, semiconductor device, semiconductor/solid state device manufacturing, etc., can solve the problems of efficiency, low life, efficiency or life backward, backward, etc., to improve the manufacturing cost performance, high yield, high-definition effects

Active Publication Date: 2016-01-06
JIANGSU SUNERA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the same difficulty exists in the structure of the traditional full-color OLED display with the traditional color conversion method. The efficiency and lifespan of blue OLED materials lag behind the development of green and red materials. In a sense, the reality of blue OLED materials is relatively backward. It will cause certain difficulties to the development of OLED display industry
In this case, Samsung's invention lacks practical significance, mainly because the performance of the blue light material itself is insufficient, which will lead to the relatively low performance (efficiency, life) of the green pixel realized by the green color conversion material. The performance of the two primary colors that make up the display will be relatively insufficient, affecting the overall performance of the display

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0097] figure 2 Shown is the first structure of the full-color OLED display in the color conversion mode of the present invention, which includes a color conversion substrate, an OLED light-emitting device and a driving unit for driving the OLED light-emitting device to emit light; the color conversion substrate includes a transparent substrate 1, One surface of the transparent substrate 1 is covered with a red filter film layer 5, a green filter film layer 4 and a blue filter film layer 2, and the filter film layers of various colors are provided with Black matrix grid film layer 3; its innovative point is: the green filter film layer 4, the red filter film layer 5 and the black matrix grid film layer 3 between them are fully covered with the same kind of A green color conversion film layer 6 made of a green color conversion material; the OLED light-emitting device is arranged on the red, green, and blue filter film layers, the black matrix grid film layer 3 and the color co...

Embodiment 2

[0150] image 3 Shown is the second structural form of the full-color OLED display of the present invention, which is the same as figure 2 The structural form shown in is different in that the color conversion film layer constituting the full-color OLED display does not continuously cover the red filter film layer 5, the green filter film layer 4 and the black matrix network between them grid film layer 3, but relatively independently covering the red filter film layer 5 and the green filter film layer 4, this composition feature is only the selectivity of color change film process processing is different, for The performance of full-color OLED displays is not affected.

Embodiment 3

[0152] Figure 5 Shown is the third structural form of the full-color OLED display of the present invention, which is the same as figure 2 The structural form shown in is different in that the color conversion film layer constituting the full-color OLED display only covers the green filter film. The characteristic of this composition is that the photoluminescence of the green color conversion material only serves The green pixel, as for the red pixel, all of its luminescence comes from the electroluminescence of the OLED light emitting device.

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Abstract

The invention relates to a full-color organic light emitting diode (OLED) display which comprises a color conversion substrate, an OLED luminous device and a driving unit for driving the OLED luminous device to illuminate, and is characterized in that a green color conversion film layer covers a green light filter film layer; the OLED luminous device is arranged on a red light filter film layer, the green light filter film layer, a blue light filter film layer, a black matrix grid film layer and color conversion film layers; under the condition of power on, the OLED luminous device can produce electroluminescence; and a luminous spectrum of electroluminescence comprises at least two different types of blue luminous components with CIE color coordinate Y values less than 0.55 and at least one red luminous component with a CIE color coordinate X value more than 0.64. The full-color OLED display has the advantages of high precision, high yield, large size and the like and is favorable for improving the total manufacturing cost performance.

Description

technical field [0001] The invention relates to the technical field of display manufacturing, in particular to a full-color organic electroluminescence (OLED) display manufactured by using color conversion technology. Background technique [0002] In the prior art, there are usually three different production methods for full-color OLED light-emitting displays: the first is to directly apply an electric field to different OLED light-emitting devices on the pixel matrix, so as to obtain independent red, green and blue light-emitting "red, green and blue three primary colors" Light-emitting mode"; the second is to use different color filters to cut the background white OLED light-emitting device to produce OLED light, so as to obtain the "white light plus filter method" of red, green and blue three primary colors; the third is to pass The color conversion film absorbs the effective OLED light-emitting components in the background ultraviolet, blue, light blue or white OLED lig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L27/32H01L51/52
Inventor 李崇
Owner JIANGSU SUNERA TECH CO LTD
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