CN104900167B - Mosaic display screen - Google Patents

Mosaic display screen Download PDF

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Publication number
CN104900167B
CN104900167B CN201510344585.3A CN201510344585A CN104900167B CN 104900167 B CN104900167 B CN 104900167B CN 201510344585 A CN201510344585 A CN 201510344585A CN 104900167 B CN104900167 B CN 104900167B
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display
lcds
frame
display screen
sealing frame
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CN104900167A (en
Inventor
谢畅
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Wuhan China Star Optoelectronics Technology Co Ltd
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Wuhan China Star Optoelectronics Technology Co Ltd
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals

Abstract

The present invention proposes a kind of mosaic display screen, and it includes main display, and it has the first sealing frame or the first frame;Secondary LCDs, it is arranged at the first sealing frame or the first frame of at least side of main display, and secondary LCDs has the second frame, and the width of the second frame is less than the width of the first sealing frame or the first frame;Image segmentating device, it separates signal of video signal, and is respectively transmitted and is shown to main display and secondary LCDs.The mosaic display screen can increase main display effective area, or eliminate or reduce the picture discontinuity between the main display spliced.

Description

Mosaic display screen
Technical field
The present invention relates to display technology field, more particularly, to a kind of mosaic display screen.
Background technology
The packaging area of display screen can not display picture.Due to the limitation of prior art so that the envelope of some display screens It is especially wide to fill region, and influences visual effect.For example, although OLED (organic EL display panel) has actively luminous, sound Should rapid, low-voltage driving the advantages that, but because OLED organic material is very sensitive to steam and oxygen, with steam and oxygen Contact can accelerate the aging of OLED organic material, it is necessary to which OLED organic material is effectively encapsulated.Thus, OLED envelope Glue frame is wider, influences OLED visible area area.
Or the limited area due to single display screen, it is past in order to realize the large-area displays such as exhibition or building advertisement Carry out showing the expansion of area toward by the way of using display screen splicing.But the viewing area of display screen needs frame to be pacified Dress and parcel, therefore, when polylith display screen splice, picture will be split by frame, destroy the continuity of picture with Integrality, have a strong impact on the visual effect of splicing.
The content of the invention
For the above-mentioned technical problem in the presence of prior art, the present invention proposes a kind of mosaic display screen.The splicing Display screen can overcome OLED effective areas relatively small or the problem of the picture of mosaic display screen is split by frame.
A kind of mosaic display screen is proposed according to the present invention, including:
Main display, it has the first sealing frame or the first frame,
Secondary LCDs, it is arranged at the first sealing frame or the first frame of at least side of main display, secondary liquid Crystal display screen has the second frame, and the width of the second frame is less than the width of the first sealing frame or the first frame,
Image segmentating device, it separates signal of video signal, and is respectively transmitted and is shown to main display and secondary LCDs Show.
In one embodiment, main display is the organic EL display panel with the first sealing frame, organic electroluminescence Secondary LCDs is respectively provided with each first sealing frame of light emitting display.
In one embodiment, step is set on the surface of organic EL display panel so as to obtain at the first sealing frame Surface less than main display viewing area surface.
In one embodiment, in addition to color rectifier, color rectifier are configured to correct ORGANIC ELECTROLUMINESCENCE DISPLAYS The signal of video signal of screen, make organic EL display panel consistent with the color of secondary LCDs.
In one embodiment, color corrector includes display parameters format converting module and colourity and saturation degree adjustment mould Block, colourity and saturation degree adjusting module include default look-up table, and display parameters format converting module is used in signal of video signal The display parameters of rgb format be converted to YCbCr parameters, colourity and saturation degree adjusting module are according to YCbCr parameters in look-up table Middle to search and be rewritten as new YCbCr parameters, display parameters format converting module is again new new YCbCr Parameter Switch The display parameters of rgb format, send organic EL display panel to and shown.
In one embodiment, main display is multiple main liquid crystal display panels with the first frame, adjacent host liquid crystal Display screen docks, and covered with secondary LCDs on the first frame of docking.
In one embodiment, secondary LCDs straddle type is covered on the first frame of docking.
In one embodiment, secondary LCDs is configured to strip.
In one embodiment, secondary LCDs is bonded at the first sealing frame or the first frame.
In one embodiment, the width of the second frame is not more than 0.4 millimeter.
Compared with prior art, it is an advantage of the current invention that by the first sealing frame of main display or the first frame Place sets secondary LCDs, make use of LCDs in the prior art can make narrow frame or Rimless the advantages of, can It is effectively increased influence of the first frame between the main display of main display effective area or elimination splicing to image.And And LCDs of the prior art can be utilized to accomplish the advantages of very thin, secondary LCDs is arranged on master After on display screen, it will not give people to bring visual positive effect substantially.In addition, by setting image segmentating device, it is ensured that The integrality of the image of main display and secondary LCDs, ensure the visual effect of mosaic display screen.
Brief description of the drawings
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing, in figure:
Fig. 1 shows the structure chart of the first embodiment of the mosaic display screen according to the present invention;
Fig. 2 shows the top view of the second embodiment of the mosaic display screen according to the present invention;
Fig. 3 shows the front view of the second embodiment of the mosaic display screen according to the present invention;
Fig. 4 shows the fundamental diagram of the color rectifier according to the present invention;
Fig. 5 shows the decomposition chart of the 3rd embodiment of the mosaic display screen according to the present invention;
Fig. 6 shows the decomposition chart of the fourth embodiment of the mosaic display screen according to the present invention;
In the accompanying drawings, identical part uses identical reference, and accompanying drawing is not drawn according to the ratio of reality.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Fig. 1 shows the structure of the first embodiment of the mosaic display screen 100 according to the present invention.As shown in figure 1, splicing is aobvious Display screen 100 includes main display 1, secondary LCDs 2 and image segmentating device 4.Main display 1 has the first frame 3 (Fig. 5,6 In show) or the first sealing frame 6 (being shown in Fig. 2).And secondary LCDs 2 is arranged at least one the first of main display 1 At the sealing frame 6 of frame 3 or first.Because secondary LCDs 2 has the second frame 5, and the width of the second frame 5 is less than the The width of one sealing frame 6 or the first frame 3, then by setting secondary LCDs 2 at the first frame 3 or the first sealing frame 6 The visual range of mosaic display screen 100 is expanded, and influence of first frame 3 to image has been reduced or eliminated.Image is split Device 4 is used to signal of video signal being divided into more parts, and is respectively transmitted and is shown to main display 1 and secondary LCDs 2.
At present, LCDs Technical comparing is ripe, and the less LCDs of size can accomplish narrow frame or boundless Frame.Using this advantage of secondary LCDs 2, it is disposed at the region of the first frame 3 or the first sealing frame 6, to eliminate Frame effect, makes that the visual effect of mosaic display screen 100 is more continuous or visible area expands.Image segmentating device 4 believes image Number more parts are divided into, and are respectively transmitted and are shown to main display 1 and secondary LCDs 2, thus make mosaic display screen 100 Form complete picture.
According to one embodiment of present invention, as shown in Figure 2,3, main display 1 is the Organic Electricity with the first sealing frame 6 Photoluminescence display screen.Sealing is set to form the during organic EL display panel is produced, it is necessary between package board 7 One sealing frame 6.And in order to prevent the organic material of organic EL display panel from being contacted with water, oxygen, the width of the first sealing frame 6 What is set is wider, such as the width of the first sealing frame 6 is 1.5-20 millimeters.And due to the setting of the first sealing frame 6 so that main aobvious The visual effective district of display screen 1 diminishes.And in order to increase the visual effective district of main display 1, can be in organic EL display panel The first sealing frame 6 at secondary LCDs 2 is set.
Closely watch main display 1 be organic EL display panel mosaic display screen 100 when, in order to avoid by The vision difference that main display 1 and secondary LCDs 2 are not brought in same plane, secondary LCDs 2 is by cohesive Mode is arranged on main display 1.In addition, the as shown in figure 3, package board 7 of the main display 1 in the secondary LCDs 2 of setting Upper setting step 11, to cause the surface of the package board 7 at the first sealing frame 6 less than the surface of the viewing area of main display 1. Thus, after secondary LCDs 2 is arranged at the first sealing frame 6, the surface of the viewing area of secondary LCDs 2 shows with main The surface of the viewing area of display screen 1 is in the same plane.To be imitated by the way that this arrangement increase the vision of mosaic display screen 100 Fruit, improve viewing comfort level.
Generally, the degree bright in luster of organic EL display panel is higher than LCDs.If having The main display 1 of organic electro luminescent display screen and the colour vividness gap of secondary LCDs 2 are excessive, will influence user Comfort level.In order to solve the above problems, the color that mosaic display screen 100 also includes to be connected with the signal of image segmentating device 4 is rectified Positive device 8, for correcting the signal of video signal of organic EL display panel, makes organic EL display panel and secondary liquid crystal display The color of screen 2 is consistent.
As shown in figure 4, color rectifier 8 includes display parameters format converting module 9 and colourity and saturation degree adjusting module 10.Colourity and saturation degree adjusting module 10 include default look-up table, and display parameters format converting module 9 is used for signal of video signal In the display parameters of rgb format be converted to YCbCr parameters.Colourity and saturation degree adjusting module 10 are being looked into according to YCbCr parameters Look in table and search and be rewritten as new YCbCr parameters.Display parameters format converting module 9 is again new YCbCr Parameter Switch The display parameters of new rgb format, send organic EL display panel to and shown.
Default look-up table is to carry out optical detection to organic EL display panel and secondary LCDs 2, passes through reality Test tries what is obtained, and writes in advance in colourity and saturation degree adjusting module 10.Y in YCbCr display parameters represents brightness, The colourity and saturation degree that CbCr is represented, now we brightness need not be adjusted, it is only necessary to the colourity representated by CbCr and Saturation degree carries out adjustment of tabling look-up, and just can substantially realize the uniform display of mosaic display screen 100, and show and join in YCbCr Colourity and saturation degree are changed in number coordinate system more intuitively, easily, experiment test and debugging are more prone to.Can be by adjusting color The angle of vector adjusts colourity, by adjusting the length of color vector adjusts saturation degree.
As shown in Figure 5,6, in order to increase the display area of mosaic display screen 100, can be carried out using multiple main displays 1 Splicing.Certainly, according to different needs, secondary LCDs 2 can be only provided at the first frame 3 of stitching portion, with master Eliminate or reduce the discontinuity of picture.Secondary LCDs 2 can also be arranged at each first frame 3, to eliminate or subtract While the discontinuity of small picture, increase the display area of mosaic display screen 100.
Especially in the occasion such as exhibition or building advertisement, multiple main displays 1 are often used to be spliced to meet super large face The demand of product display.In this case, each main display 1 is required to set the first frame 3 with the module to display device Protected and installed, thus, occur between the main display 1 of splicing can not display picture the first frame 3.With comprising Illustrated exemplified by the mosaic display screen 100 of four pieces of main displays 1.It is main aobvious at the first frame 3 of the splicing of main display 1 Picture between display screen 1 is divided, and destroys the continuity and integrality of image.Therefore, at the region of the first frame 3 of splicing Secondary LCDs 2 is set, the phenomenon of the picture missing at the first frame 3 for eliminating or reducing splicing.
Preferably, the secondary straddle type of LCDs 2 is covered on the first frame 3 of docking.It is this so that mosaic display screen 100 Picture it is more continuous, visual effect is more preferable.In addition, for the convenience of manufacture, secondary LCDs 2 is configured to strip.Such as Fig. 5 Shown, mosaic display screen 100 is spliced by four pieces of main displays 1, and secondary LCDs 2 can be structured as three pieces, and spell Crosswise is connected in, is arranged in a manner of shown in Fig. 5 at the first frame 3 of docking.The secondary LCDs 2 of this structure has There are simple in construction, the advantages such as manufacturing cost is low.In this case, Image Segmentation is seven parts by image segmentating device 4, with respectively Send each main display 1 and each secondary LCDs 2 to.
It should be noted that secondary LCDs 2 may be configured to matching and the seam quantity of mosaic display screen 100 and The structure of shape.For example, as shown in fig. 6, secondary LCDs 2 is configured to crosswise, it is arranged at the first frame 3 of docking. The secondary LCDs 2 of this structure make it that the picture of mosaic display screen 100 is more continuous, and visual effect is more preferable, but secondary liquid The manufacturing cost of crystal display screen 2 is higher.In this case, image segmentating device 4 is by Image Segmentation quinquepartite, to be respectively transmitted To each main display 1 and secondary LCDs 2.
Secondary LCDs 2 can be arranged on the first frame 3 by cohesive mode.This mode is simple to operate, more Change easy to maintenance.It should be noted that due to the size super large (be more than 3 meters) of this tiled display 100, and secondary liquid crystal display The width of second frame 5 of screen 2 is not more than 0.4 millimeter, while the thickness of secondary LCDs 2 is also very thin.Thus, by secondary liquid Crystal display screen 2 is bonded in this setup on the first frame 3, especially in the application such as building advertisement, will not give substantially People bring visual significantly affect.
The preferred embodiment of the present invention is the foregoing is only, but the scope of the present invention is not limited thereto, Ren Heben The technical staff in field easily can be changed or change in technical scope disclosed by the invention, and this change or change Change should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims Enclose and be defined.

Claims (5)

  1. A kind of 1. mosaic display screen, it is characterised in that including:
    Main display, it has the first sealing frame,
    Secondary LCDs, it is arranged at the first sealing frame of at least side of the main display, the secondary liquid crystal display Screen has the second frame, and the width of second frame is less than the width of the first sealing frame,
    Image segmentating device, it splits signal of video signal, and is respectively transmitted and is shown to main display and secondary LCDs;
    The main display is the organic EL display panel with the first sealing frame, the organic EL display panel The secondary LCDs is respectively provided with each first sealing frame;
    Step is set on the surface of the organic EL display panel so that surface at the first sealing frame less than described The surface of the viewing area of main display, after secondary LCDs is arranged at the first sealing frame, secondary LCDs shows Show that the surface of the surface in area and the viewing area of main display is in the same plane;
    The secondary LCDs is bonded at the first sealing frame.
  2. 2. mosaic display screen according to claim 1, it is characterised in that also including color rectifier, the color correction Device is configured to correct the signal of video signal of the organic EL display panel, makes the organic EL display panel and the pair The color of LCDs is consistent.
  3. 3. mosaic display screen according to claim 2, it is characterised in that the color corrector includes display parameters form Modular converter and colourity and saturation degree adjusting module, colourity and the saturation degree adjusting module includes default look-up table, described Display parameters format converting module is used to the display parameters of the rgb format in signal of video signal be converted to YCbCr parameters, colourity and Saturation degree adjusting module is searched in the look-up table according to YCbCr parameters and is rewritten as new YCbCr parameters, the display ginseng Number format modular converter the display parameters that new YCbCr Parameter Switch is new rgb format, sends the organic electroluminescence to again Light emitting display is shown.
  4. 4. mosaic display screen according to claim 1, it is characterised in that the secondary LCDs is configured to strip.
  5. 5. mosaic display screen according to claim 1, it is characterised in that the width of second frame is no more than 0.4 milli Rice.
CN201510344585.3A 2015-06-19 2015-06-19 Mosaic display screen Active CN104900167B (en)

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CN201510344585.3A CN104900167B (en) 2015-06-19 2015-06-19 Mosaic display screen
PCT/CN2015/082630 WO2016201721A1 (en) 2015-06-19 2015-06-29 Spliced display screen

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Publication number Priority date Publication date Assignee Title
CN106935613B (en) * 2015-12-30 2019-12-24 昆山工研院新型平板显示技术中心有限公司 Display screen body preparation method, display screen body and electronic display device
CN106373493A (en) * 2016-09-27 2017-02-01 京东方科技集团股份有限公司 Splicing screen, splicing screen driving method and device and display equipment
WO2020133161A1 (en) * 2018-12-28 2020-07-02 华为技术有限公司 Display screen, electronic device, and display screen manufacturing method
CN110266843A (en) * 2019-06-18 2019-09-20 华勤通讯技术有限公司 A kind of Folding screen and mobile terminal
CN110992829B (en) * 2019-12-06 2021-07-23 武汉华星光电半导体显示技术有限公司 Spliced foldable display screen
CN111081158A (en) * 2019-12-30 2020-04-28 深圳市华星光电半导体显示技术有限公司 Spliced display screen, preparation method thereof and display device
CN112988094B (en) * 2021-02-05 2021-10-01 深圳市迈特瑞光电科技有限公司 Intelligent connection system for spliced screen

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EP0835504A4 (en) * 1996-03-25 2000-07-26 Rainbow Displays Inc Tiled, flat-panel displays with color-correction capability
CN201374154Y (en) * 2009-03-20 2009-12-30 夏展敏 Device eliminating display screen joint frame
CN102339565A (en) * 2011-09-26 2012-02-01 王勇竞 Seamless video display spliced wall
CN102708840A (en) * 2012-04-05 2012-10-03 京东方科技集团股份有限公司 Image display system and display unit
CN103065551B (en) * 2013-01-16 2015-07-15 深圳市华星光电技术有限公司 Spliced display screen
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