CN201107507Y

CN201107507Y - Display without edging forming

Info

Publication number: CN201107507Y
Application number: CNU2007201758801U
Authority: CN
Inventors: 胡崇铭
Original assignee: OSKAREEN (UK) Ltd
Current assignee: Ourui Holdings Co., Ltd.
Priority date: 2007-09-14
Filing date: 2007-09-14
Publication date: 2008-08-27
Anticipated expiration: 2017-09-14

Abstract

The utility model discloses a joint-free display. The display comprises a backlight module which comprises a plurality of emission light sources; an optical film; a spacing structure; a plurality of liquid crystal panel bodies; a display unit formed by a protection layer with a micro-structure and a locking part; wherein, a plurality of liquid crystal panel bodies are covered on the spacing structure after mutual juxtaposition or overlapping by the sides. The joint-free display of the utility model can be applied on large panel with no joint raster display and can shorten the joint of the panel frames on a joint type panel so as to reach the effect of raster display with high quality.

Description

No seam display

Technical field

The utility model relates to a kind of display, refers to a kind of display that can reach under the environment of the large-scale video picture of needs near no seam video picture quality especially.

Background technology

With regard to the remarkable benefit of present liquid crystal panel in advertisement marketing or video display amusement, large-scale panel has certain market potential, but each panel manufacturing plant is for the exploitation and the production of large-scale panel now, because cost and technical restriction, be difficult to breakthrough: that is, the higher and qualification rate of large-scale panel cost is on the low side become each panel manufacturing plant produce in enormous quantities in the large-scale panel process one hinder greatly.Based on this, utilizing the panel of existing size to be assembled into large-scale panel becomes and makes one of settling mode that large-scale panel can seek.

Yet when utilizing the polylith liquid crystal panel to assemble, slit between the formed panel of frame around the single panel will make spliced large-scale panel produce cutting, discontinuous imaging results.With general common video wall is example, present even if can obtain large-scale image via the combination of several TVs, and the facility that outdoor displaying is provided or views and admires, but the globality of its picture produces obvious visible gap because of the existence of TV housing.Similarly, when utilizing the synthetic single large-scale panel of a plurality of panel sets, the housing of indivedual panels also becomes obvious visible slit on the panel, makes picture cut, and causes visually faulty image effect.Therefore, can reduce panel border in fact with visual gap, promptly become the key whether large-scale LCD can reach high video picture quality.

In the existing technology, wherein, have with light and transmit light guide plate, the light on luminescent panel surfaces such as originally less liquid crystal or plasma display is sent to big imaged sector surface, the slit of splicing originally between two adjacent luminescent panels is eliminated, form visually jointless giant display.But the formed light of this kind method transmits light guide plate, can cause light transmission light guide plate cost higher the materials such as glass tube of input light total reflection because it includes optical fiber or has, and cost control is difficult for; Simultaneously, this spliced display single unit system is blocked up, transports and assemble inconvenience.

In addition, because the liquid crystal panel middle body is than marginal portion brightness height, therefore all spend part together for the brightness between spliced panel integral body or single panel, how to filter, make middle body and surrounding brightness be tending towards approaching by the higher part of optical correction diaphragm (or optical filter) counter plate central brightness.But this practice will make the liquid crystal panel overall brightness descend, and the luminance difference between adjacent panels still may exist.

In addition, corresponding not good if light transmits between light guide plate and panel pixel, or since its mechanism's tolerance cause can't be best corresponding, color or GTG generation error in the time of may making video picture, and to a certain extent difference is arranged with the input signal of script panel.

The utility model content

Shortcoming in the LCD video picture of comprehensive above prior art and the restriction of using, the utility model desires to provide a kind of no seam display, its cost is low, can splice more than one single panel by lock-joining part and other optical designs, form visually jointless giant display, and near the brightness of the ejaculation image the seam can be similar to the brightness of respectively splicing panel central authorities, to keep all spending together of spliced panel each several part brightness, reaches the effect of visually not having the seam video picture.

For reaching above-mentioned purpose, the utility model provides a kind of no seam display, comprises: a backlight module comprises a plurality of transmitting illuminants; One blooming piece; One spacer structure; A plurality of liquid crystal panels; One has the protective seam of microstructure; And a lock-joining part, form a display unit; Wherein, aforementioned a plurality of liquid crystal panels, are covered on the aforementioned spacer structure side by side or after overlapping with its side.

Preferably, described protective seam is acryl or glass material, and its surface is provided with the made prism microstructure of plated film, rubberizing film, printing or mould.

Preferably, described transmitting illuminant is area source or class area source, and this area source is light emitting diode or plane fluorescent tube; Such area source is crooked shape fluorescent tube (as: U-shaped or many U-shapeds fluorescent tube).

Preferably, the area source of described display or class area source encapsulate and/or add lampshade design.

Preferably, the area source of described display or class area source are staggered to uniformly-spaced matrix.

Preferably, described area source or the class area source of stating display set up a brightening piece, diffusion sheet or diffuser plate.

Preferably, described display system comprises one and puts the formed palisade spacer structure of a trapezoidal plate in area source or class area source side.

Preferably, install at least one circle LED light lamp around the trapezoidal plate of described class area source side additional.

Preferably, each side of the trapezoidal plate of described class area source side installs an at least one cold cathode fluorescent lamp or a HCFL additional.

In sum, a kind of no seam display provided by the utility model, utilize at least one lock-joining part to engage more than one liquid crystal panel, and by adjusting the light source incident angle and improving the brightness of the liquid crystal panel seam portion of splicing mutually, make the brightness of spliced panel integral body can reach high all spending together, form a visually jointless giant display,, more can significantly improve its video picture quality except that can significantly reducing the manufacturing cost of giant display.

Description of drawings

Fig. 1 is the advance synoptic diagram of embodiment of the structure of no seam display described in the utility model and video picture light;

Fig. 2 is the planimetric map of microstructure on the protective seam described in the utility model;

Fig. 3 is staggered to form the synoptic diagram of matrix uniformly-spaced for light emitting diode described in the utility model;

Fig. 4 is synoptic diagram and the vertical view by the formed spacer structure of several trapezoidal plates described in the utility model;

Fig. 5 is each row's of the adjustment dot matrix LEDs described in the utility model synoptic diagram towards angle;

Fig. 6 is the synoptic diagram of light emitting diode and liquid crystal panel distance in the adjustment matrix described in the utility model;

Fig. 7 is the synoptic diagram that adds light emitting diode around the class area source described in the utility model;

Fig. 8 is the synoptic diagram that adds cold cathode fluorescent lamp or HCFL around the class area source described in the utility model.

Wherein, description of reference numerals is as follows:

1～2 liquid crystal panel

3 blooming pieces

4 protective seams

41 prism microstructure

5 backlight modules

51～62 light emitting diodes

63～66 cold cathode fluorescent lamp or HCFL

67 class area sources

7 spacer structures

71～72 trapezoidal plates

100 displays

Embodiment

See also Fig. 1, it is the advance synoptic diagram of embodiment of the structure of no seam display described in the utility model and video picture light.Described display 100 comprises a liquid crystal panel 1 and a liquid crystal panel 2, and this liquid crystal panel 1 with arbitrary side of its arbitrary side and liquid crystal panel 2 mutually side by side or overlap; Described display also comprises a lock-joining part, forms a display unit; Reach protective seam 4, a spacer structure 7 and a backlight module 5 (including transmitting illuminant 51～54 (area source or class area source)) that a blooming piece 3, has microstructure; described spacer structure 7 can be made up of several trapezoidal plates; as the

trapezoidal plate

71,72 that further adds around the backlight module, and aforementioned protective seam 4 is located at the outermost layer of display.

Please refer to Fig. 2 and cooperate Fig. 1, Fig. 2 is the microstructure planimetric map on the protective seam described in the utility model.Because each single panel is with arbitrary side of its arbitrary side and another panel mutually side by side or overlapping in the spliced liquid crystal panel in the display, therefore be easy to generate the mixing of image signal via the oblique ray in adjacent panels gap after staggered, and reduced the sharpness of video picture.In this preferred embodiment; can enter with the angle of near normal panel protective seam observer's eye for making from the emitted image signal of panel; avoid video signal to mix; can correct by being positioned at the surperficial formed prism microstructure 41 of the splicing outermost protective seam 4 of panel (can be acryl or glass material); the light that makes the panel ejaculation is with the angles near 90 degree; vertical protective seam surface enters in observer's the eye; to avoid near the signal the seam to mix, so this protective seam has the function (please refer to Fig. 1) of protecting and making the light direct projection concurrently.As for the generation type of prism microstructure 41, except that printing shown in Figure 2, plated film, also can utilize mould and form.

In another preferred embodiment, finish the aforementioned light that the splicing panel is penetrated vertical pleasing to the eye in, after implementing this improvement mode of avoiding near the signal mixing seam, can further utilize various optical designs, the light source of display is dispersed at a certain angle, and the brightness that makes near the ejaculation image the splicing slab joint can be similar to the central brightness of splicing panel, makes all neat purpose of panel each several part brightness to reach, and forms a visual no seam display.Therefore, the purpose that aforementioned special angle is dispersed is after only the light source in making backlight module is dispersed, can not have no scattering restrictedly, it still drops near the Mosaic face sheet separation, can use the brightness that improves near the ejaculation image of seam and get final product, and definitely is not defined in some angular range.

For instance, light emitting diode can be encapsulated and or add the design of special lampshade, with the brightness of reinforcement seam crossing.Perhaps, can utilize light emitting diode shown in Figure 3 to form a matrix uniformly-spaced, become a flat luminous source with specific light distribution character in staggered mode.For example: to be staggered to dot matrix LEDs up and down.

Similarly, for increasing luminescence efficiency and light evenly being distributed, also can in backlight module, add brightening piece, diffusion sheet or diffuser plate.

Perhaps, for making light can in the uniformly-spaced matrix of aforementioned formation light emitting diode, add a spacer structure 7 with the more suitably concentrated light distribution of mode.This spacer structure can be made of (as shown in Figure 1 71,72) several trapezoidal plates, in order to dispersing of restriction light source, makes it with special angle incident panel, and forming all, the light of neat Du Genggao distributes.And overlook aforementioned trapezoidal plate formed spacer structure in matrix uniformly-spaced, it is a grating structure (please refer to Fig. 4) whole observation.

In addition, divided by aforesaid light emitting diode as outside the light source, plane fluorescent fluorescent tube or bent lamp tube (as U type, many U type or other shaped form fluorescent tube) also can be arranged in matrix, by adding advancing and direction of trapezoidal plate restriction light, make it with special angle incident panel.

In another embodiment, further specify and make being evenly distributed of light source in the backlight module and reach high all several means of neat degree.For example: can utilize the adjustment electric current to make the panel both sides of the edge close with the brightness of central authorities.Generally speaking, the brightness of panel both sides of the edge is lower than central authorities, can utilize the difference of input current to come gating matrix, makes matrix light source on every side send the strong light of central authorities, can keep each several part brightness unanimity through making light quantity after the fine setting after the ejaculation of protective seam surface.

With the light emitting diode is example, for forming more uniform distribution of light, each row's's (row) light emitting diode input current in the adjustable photodiode array of haircuting, make the light output of central light emitting diode light output less than the both sides, then the luminous intensity of peripheral light emitting diode will be high than the center, reaching more even light distribution, and form high all no seam panels of neat degree.

In addition, consult Fig. 5, it is for showing each row's of dot matrix LEDs the synoptic diagram towards angular setting, especially single light emitting diode central optical intensity around the matrix is bigger hi-lite is around matrix, make the luminance brightness of this part be similar to matrix central authorities, and reach the even distribution of light.

Please refer to Fig. 6, it is the distance of light emitting diode and liquid crystal panel in the demonstration utilization adjustment matrix, also can reach to make the equally distributed purpose of light source.For instance, can make the light intensity of the light emitting diode of matrix edge be height, and reach the even distribution of light by changing the relative position of respectively arranging light emitting diode in the matrix than middle body.

In the same manner, light source matrix is reached in the design of high all neat degree, also can plane fluorescent tube or the main light source of bent lamp tube (for example: U type or many U type fluorescent tube) conduct.Please refer to Fig. 7, for avoiding the class area source also to have on every side near the more weak and seam of luminous intensity apart from light source dark partially problem far away, around class area source 67, also can add the incident light that light emitting diode strengthens the border, all spend together to improve the luminous integral body of splicing panel.That is, add circle or a few light emitting diodes (light emitting diode 51～62 as shown in the figure) at the edge of many U type fluorescent tube matrix, panel light is on every side distributed to distribute (this figure only shows the overall appearance of class area source, does not further present the arranging situation of many U type fluorescent tube) greater than central optical.

Perhaps, also can around the trapezoidal plate of aforementioned planar light source or class area source matrix, add cathode fluorescent tube or thermal cathode fluorescent tube (negative electrode fluorescent tube 63～66 as shown in Figure 8) strengthens the incident light on border, to improve all degree together of Mosaic face slab integral.

In sum, the utility model makes light reach optical designs such as high all Qi Du again, and produces a visually jointless display by after avoiding near the spliced slab joint signal and mix and light being dispersed with special angle.

Though the utility model specifically describes as above-mentioned preferred embodiment; but it is not in order to limit the utility model; any staff who is familiar with this technology; in not departing from creation spirit of the present utility model and protection domain; all can make various changes and modification to the utility model, therefore protection domain of the present utility model should be as the criterion with claim of the present utility model.

Claims

1. a no seam display is characterized in that, comprises:

One backlight module comprises a plurality of transmitting illuminants;

One blooming piece;

One spacer structure;

A plurality of liquid crystal panel bodies;

One has the protective seam of microstructure; And

One lock-joining part is formed a display unit;

Wherein, described a plurality of liquid crystal panel bodies, are covered on the described spacer structure side by side or after overlapping with its side.

2. no seam display as claimed in claim 1 is characterized in that described protective seam is acryl or glass material, and its surface is provided with a prism microstructure made from plated film, rubberizing film, printing or mould mode.

3. no seam display as claimed in claim 1 is characterized in that, described transmitting illuminant is area source or class area source.

4. no seam display as claimed in claim 3 is characterized in that, described area source is light emitting diode or plane fluorescent tube; Described class area source is crooked shape fluorescent tube.

5. no seam display as claimed in claim 3, it is characterized in that, described area source or class area source encapsulate and/or add lampshade design, or area source or class area source are staggered to uniformly-spaced matrix, or area source or class area source further increase a brightening piece, diffusion sheet or diffuser plate, or put the formed palisade spacer structure of a trapezoidal plate at the side of area source or class area source.

6. no seam display as claimed in claim 5, it is characterized in that, around the trapezoidal plate of described class area source side, install at least one circle LED light lamp additional or install an at least one cold cathode fluorescent lamp or a HCFL additional in each side of the trapezoidal plate of described class area source side.