CN206619597U

CN206619597U - A kind of displayer part

Info

Publication number: CN206619597U
Application number: CN201720205103.0U
Authority: CN
Inventors: 田国军
Original assignee: Chengdu Science And Technology Ltd Of Access
Current assignee: Chengdu Science And Technology Ltd Of Access
Priority date: 2017-03-05
Filing date: 2017-03-05
Publication date: 2017-11-07
Anticipated expiration: 2027-03-05

Abstract

The utility model discloses a kind of displayer part and its manufacture method of display device technical field, the light emitting pixel unit of the displayer part is arranged in arrays, each light emitting pixel unit includes white sub-pixels unit W, red sub-pixel unit R, green sub-pixels unit G and blue subpixels unit B, the white sub-pixels unit W, red sub-pixel unit R, green sub-pixels unit G and the rectangular arrangement of blue subpixels unit B, and every four concentrations of same sub-pixels of adjacent pixel are arranged in a combination up and down.The utility model can prepare the displayer part of more high-res or the large scale displayer part of more advanced lines line based on existing production equipment in the industry and making technology, or, in the case of resolution identical, the requirement to equipment and making technology can be reduced, is conducive to improving volume production yield；The utility model is also beneficial to improve the brightness of the displayer part of the RGB stripe shape arrangement architecture compared to WOLED+CF technologies, reduces power consumption, extends the life-span.

Description

A kind of displayer part

Technical field

The utility model is related to display device technical field, specially a kind of displayer part.

Background technology

In flat panel display, active-matrix Organic Light Emitting Diode（AMOLED）Display device is with its frivolous, active The many merits such as luminous, fast-response speed, wide viewing angle, rich color, high-low temperature resistant and be known as being after liquid crystal display by industry Device（LCD）Third generation Display Technique afterwards, can be widely applied to smart mobile phone, tablet personal computer, TV, VR/AR（It is virtual existing Reality/augmented reality）And the end product such as military helmet display.AMOLED colorization method mainly uses red, green, blue （R、G、B）Luminescent material directly obtains corresponding three primary color sub-pixels（Referred to herein as RGB direct methods）With use " white light+coloured silk Color filter coating "（W+CF）Obtain three primary color sub-pixels（Referred to herein as W+CF methods）Two ways；AMOLED colorization pixel The manufacture method of pattern also mainly has two kinds：One is to use fine metal mask plate（MASK）Vacuum evaporation luminous organic material is straight Connect to form colorization pattern of pixels（Referred to herein as mask plate method）, two be to produce white light OLED device first, is then existed again Covering color filter film forms colorization pattern of pixels thereon（Referred to herein as optical filtering embrane method）.But no matter use above-mentioned existing skill Any assembled scheme of art, is difficult in production large scale, high-res displayer part and raising volume production yield, changes Preferable solution is obtained in terms of all key elements such as kind display performance, this is the common technology problem that industry faces at present.Than Such as, at present widely used RGB direct methods, the technical scheme that RGB stripe shape arranges pattern of pixels is prepared with mask plate method, although energy Good display performance is obtained, but because the factors such as MASK aligning accuracies, MASK shades, MASK deformations will have a strong impact on to form essence Accurate colorization pattern of pixels, therefore, it is difficult to improve production yield and be difficult to produce resolution in more than 300ppi or in 6 generation lines Large scale AMOLED display screens are produced above；On this basis, there is a kind of PenTile rgb pixels arrangement architecture, although can So that resolution is brought up into 600ppi, but it can not still solve production advanced lines, large scale AMOLED problem, and PenTile There is picture crosstalk exacerbation, obvious Moire effect, the deterioration of oblique line sawtooth and need special driving method etc. newly to ask in rgb pixel arrangement Topic；The W+CF arranged using RGB stripe shape optical filtering embrane method, although more high-res and advanced lines can be produced, large-sized AMOLED, but the decay due to filter coating to coloured light, the performance such as AMOLED brightness, color, power consumption are greatly diminished；Using The W+CF of WRGB pixel arrangements optical filtering embrane method, although display performance makes moderate progress but still not as good as RGB direct methods, and is still difficult to give birth to Produce the micro display AMOLED devices for being up to more than 4000ppi to resolution requirement for VR/AR and Helmet Mounted Display etc..Therefore, It is proposed that a kind of displayer part and its manufacture method.

Utility model content

The purpose of this utility model is to provide a kind of displayer part and its manufacture method, to solve above-mentioned background The existing technology proposed in technology can not solve production large scale, high-res displayer part, and the production of product Dose rate is low, the problem of display performance is bad.

To achieve the above object, the utility model provides following technical scheme：A kind of displayer part, the AMOLED The light emitting pixel unit of display device is arranged in arrays, and each light emitting pixel unit includes white sub-pixels unit W, red son Pixel cell R, green sub-pixels unit G and blue subpixels unit B, the white sub-pixels unit W, red sub-pixel unit R, green sub-pixels unit G and the rectangular arrangement of blue subpixels unit B, and the same sub-pixels of adjacent pixel up and down are every Concentrated in sphere of movements for the elephants shape for four and be arranged in a combination.

It is preferred that, per the sub-pixel unit of adjacent rows pixel cell using the center line of the two rows pixel cell as axle center pair Claim arrangement, and the sub-pixel unit of every adjacent two row pixel cell is also symmetrically arranged using the center line of the two row pixel cell as axle center Row.

It is preferred that, every four groups of the homochromy sub-pixel unit of adjacent pixel unit is concentrated in sphere of movements for the elephants shape up and down is arranged in One combination.

Compared with prior art, the beneficial effects of the utility model are：The utility model provides a kind of each pixel bag Include tetra- sub-pixels of WRGB and every four of the same sub-pixels of adjacent pixel concentrate the pixel for being arranged in a combination up and down The manufacture method of arrangement architecture and its colorization method and colorization pattern of pixels, due to the introducing of W sub-pixel, is conducive to improving Compared to the brightness of the displayer part of the RGB stripe shape arrangement architecture of WOLED+CF technologies, power consumption is reduced, extends the life-span；More Importantly, optical filtering membrane preparation method or fine metal mask plate preparation method to either W+CF, the utility model energy Enough displayer parts or more advanced lines line that more high-res are prepared based on existing production equipment in the industry and making technology Large scale displayer part, or, in the case of resolution identical, can reduce and equipment and making technology are wanted Ask, be conducive to improving volume production yield.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is the MASK schematic diagrames that the utility model prepares AMOLED colorization pattern of pixels；

Fig. 3 is the flow that the utility model prepares AMOLED colorization pattern of pixels with MASK；

In figure：1 white sub-pixels unit W, 2 red sub-pixel unit Rs, 3 green sub-pixels unit G, 4 blue subpixels lists First B.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Referring to Fig. 1, a kind of displayer part, the displayer part is arranged by light emitting pixel unit in matrix Row, and each light emitting pixel unit include white sub-pixels unit W1, red sub-pixel unit R 2, green sub-pixels unit G3 and Blue subpixels unit B 4, the white sub-pixels unit W1, red sub-pixel unit R 2, green sub-pixels unit G3 and blueness The rectangular arrangements of sub-pixel unit B4, and every four of the same sub-pixels of adjacent pixel concentrate arrangement in sphere of movements for the elephants shape up and down Into a combination, symmetrically arranged using the center line of the two rows pixel cell as axle center per the sub-pixel unit of adjacent rows pixel cell Arrange, and the sub-pixel unit per adjacent two row pixel cell is using the center line of the two row pixel cell as axle center also symmetric arrays, Every four groups of the homochromy sub-pixel unit of adjacent pixel unit is concentrated in sphere of movements for the elephants shape up and down is arranged in a combination.

Fig. 1-3 are referred to, the utility model also provides a kind of preparation method of displayer part.

Embodiment 1

A kind of preparation method of displayer part, the preparation method of the displayer part comprises the following steps：

S1：Prepare the MASK of the colorization pattern of pixels of displayer part：Rectangle opening, Mei Gekai are opened in MASK1 Hole corresponds to one group of homochromy four sub-pixel unit, the length and width phase of the length and width of perforate and corresponding pixel respectively Together, the length and width of a pixel cell is respectively equal to per the level interval and vertical interval between two adjacent groups perforate, When pixel cell is square, the length and width of perforate is equal, and slot is opened on MASK2, and each perforate is corresponded to respectively The sub-pixel unit that adjacent rows are homochromy, perforate length is whole MASK2 length, and aperture widths are equal to pixel cell Width, perforate spacing is also equal to the width of a pixel cell, and slot, the length of perforate vertical direction are opened on MASK3 Identical for MASK3 vertical length, each perforate corresponds to the homochromy sub-pixel unit of adjacent two row respectively；

S2：To white sub-pixels by yellow（Y）Luminescent material and blueness（B）The AMOLED of luminescent material mixed luminescence is shown Device, red is deposited using MASK1 successively（R）, green（G）And yellow（Y）Three kinds of luminescent materials, blueness is deposited with MASK2（B） Luminescent material, to white sub-pixels by red（R）, green（G）And blueness（B）The displayer of luminescent material mixed luminescence Part, blueness is deposited using MASK2（B）Luminescent material, green is deposited with MASK3（G）Luminescent material, is steamed twice respectively with MASK1 Plating is red（R）Luminescent material, wherein the red sub-pixel of pixel is once deposited, in the white sub-pixels of another evaporation pixel Red illuminating material；

S3：When the sub-pixel of certain color is deposited（By taking red as an example）, make MASK perforates just to red sub-pixel, and Green, blue sub-pixel is blocked by MASK, and the red illuminating material so evaporated from crucible just accurately can only be deposited on red After the completion of sub-pixel area, red illuminating material evaporation, then with another MASK and make the sub-pixel of another color of its perforate alignment, The evaporation of all luminescent materials is completed by that analogy, so as to form colorization pattern of pixels.

Using pixel arrangement structure described in the utility model and colorization pattern of pixels preparation method, above-mentioned three kinds of MASK's Smallest aperture size and smallest aperture spacing are the width of a pixel, and wherein smallest aperture size is arranged equivalent to RGB stripe shape 3 times of MASK smallest apertures size used in array structure, smallest aperture spacing is minimum equivalent to MASK used in RGB stripe shape arrangement architecture 1.5 times of perforate spacing.It is well known that MASK bore sizes and perforate spacing are bigger, MASK processing is easier, and organic material is deposited The influence of requirement and MASK shades during material to MASK aligning accuracies is also smaller, and MASK is more unlikely to deform, and this is that this practicality is new Type can prepare the colorization picture of high-res or large scale displayer part based on MASK evaporation coating techniques ripe in the industry The key of sketch map case；Conversely, in the case of resolution or display device size identical, the utility model can be reduced to production The requirement of equipment and making technology, can significantly improve volume production yield.Displayer part by 500ppi of resolution is Example, is arranged, required evaporation MASK smallest aperture size only about 17um, perforate spacing about 34um using traditional RGB stripe shape, existing There is the displayer part of the extremely difficult this high-res of production of MASK evaporation coating techniques, and use pixel described in the utility model row Array structure and colorization pattern of pixels preparation method, MASK smallest aperture size and perforate spacing about 51um are entirely capable of using Existing MASK evaporation coating techniques produce and reach higher yield requirement.

Embodiment 2

A kind of preparation method of displayer part, the displayer part is prepared using W+CF filter coating method Colorization pattern of pixels method it is same as the prior art, i.e.,：White light OLED is prepared first（WOLED）Light-emitting component, then Color filter film is prepared on WOLED elements（CF）.All should in view of the preparation method is one of ordinary skill in the art Understand, therefore will not be described in detail herein.

Due to special pixel arrangement structure described in the utility model, the aperture area of each color sub-pixel is one complete Whole pixel size, equivalent to 3 times that traditional RGB stripe shape arranges each sub-pixel aperture area, general WRGB arrangement architectures 4 times of sub-pixel aperture area, therefore the aligning accuracy requirement that will substantially reduce CF and WOLED elements, are conducive to improving superelevation The production yield of resolution displayer part；Conversely, under conditions of identical production equipment and making technology, using this reality With the new pixel arrangement structure and W+CF colorization pattern of pixels preparation method, it can produce equivalent to using tradition The displayer of 3 times of resolutions of RGB stripe shape arrangement dot structure or 4 times of resolutions of generality WRGB arrangement architectures Part.So that resolution is 2500ppi AMOLED micro-display device as an example（It is micro- equivalent to 0.5 inch that resolution ratio is 1280 × 720 Display device）, each sub-pixel opening only 3.3um × 10um of traditional RGB stripe shape arrangement, and use pixel described in the utility model The colorization pattern of pixels preparation method of arrangement architecture and W+CF, the opening of each same sub-pixels increases to 10um × 10um, Compared to former 3.3um A/F, the requirement of aligning accuracy can be substantially reduced, is conducive to improving volume production yield.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of displayer part, it is characterised in that：The light emitting pixel unit of the displayer part is arranged in arrays, And each light emitting pixel unit includes white sub-pixels unit W（1）, red sub-pixel unit R（2）, green sub-pixels unit G （3）With blue subpixels unit B（4）, the white sub-pixels unit W（1）, red sub-pixel unit R（2）, green sub-pixels Unit G（3）With blue subpixels unit B（4）Rectangular arrangement, and every four of the same sub-pixels of adjacent pixel are in up and down Sphere of movements for the elephants shape is concentrated and is arranged in a combination.

2. a kind of displayer part according to claim 1, it is characterised in that：Per the son of adjacent rows pixel cell Pixel cell is using the center line of the two rows pixel cell as axle center symmetric arrays, and the sub-pixel list per adjacent two row pixel cell Member is using the center line of the two row pixel cell as axle center also symmetric arrays.

3. a kind of displayer part according to claim 1, it is characterised in that：Adjacent pixel unit up and down Homochromy every four groups of sub-pixel unit is concentrated in sphere of movements for the elephants shape is arranged in a combination.