A kind of display device eliminating display bezel
Technical field
The present invention relates to field of display devices, more specifically, relate to a kind of display device eliminating display bezel.
Background technology
Along with developing rapidly of large-scale LCD panel, the many advantages such as LCD display is ultra-thin with it, lightweight, radiationless, stable performance become the main flow of display technique gradually, current large-scale LCD can accomplish 80 cun to 100 cun, but still difficulty meets the demand of some occasion (as monitoring, scheduling etc.), and the yield of its oversize LCD is difficult to ensure.
Existing LCD is due to the demand of peripheral circuits cabling and encapsulation, display image peripheral inevitably occurs can not viewing area, this can not viewing area another name be frame, the existence of frame causes the picture when LCD splices divided, destroy continuity and the integrality of image, have a strong impact on the effect of splicing.At present a lot of LCD business makes great efforts the border width reducing LCD always, but still zero frame cannot be realized and realize truly seamless spliced.
Summary of the invention
The present invention, for overcoming at least one defect (deficiency) described in above-mentioned prior art, provides a kind of display device that can realize the elimination display bezel of seamless display.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of display device eliminating display bezel, comprise display panel, described display panel is divided into viewing area, center, viewing area, edge and rim area, panel surface is provided with optical system, described optical system is provided with the one or more straight-through light guide structure being positioned at surface, viewing area, center and the one or more periscope structure being positioned at surface, viewing area, edge; The light directly outgoing through straight-through light guide structure of viewing area, center outgoing; The light of viewing area, edge outgoing by periscope structure to outgoing after the skew of direction, rim area.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
The present invention utilizes periscope principle to arrange a periscope structure, this periscope structure is placed in viewing area, display panel edge, the light of viewing area, edge outgoing enters in periscope structure, from periscope structure outgoing after two secondary reflections, direction when direction during beam projecting and incidence is consistent, but ray position offsets during outgoing, the some light of viewing area, edge outgoing is made to be offset to rim area, thus the partial pixel of viewing area, display panel edge is transferred to rim area, reach the effect eliminating frame, thus the seamless spliced of display panel can be realized.In addition, the present invention, without the need to changing the inner structure of existing display panel, only need set up an optical system in panel surface, realizes simple, with low cost, thus reduces the cost of splicing.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation eliminating the display device 1 of display bezel of the present invention.
Fig. 2 is the cut-open view of optical system in the present invention.
Fig. 3 is the schematic diagram of periscope.
Fig. 4 is the schematic diagram of a periscope structure unit in the present invention.
Fig. 5 is the structural representation of a periscope structure in the present invention.
Fig. 6 is the vertical view of optical system in the present invention.
Fig. 7 is a kind of structural representation one eliminating the display device specific embodiment 3 of display bezel in the present invention.
Fig. 8 is a kind of structural representation two eliminating the display device specific embodiment 3 of display bezel in the present invention.
Embodiment
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent;
In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product;
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
In describing the invention, it is to be appreciated that term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as the quantity of instruction or hint relative importance or implicit indicated technical characteristic.Thus, restriction " first ", " second ", " one or more these features can be expressed or impliedly be comprised to the feature of the 3rd.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection ", " linking " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also can be indirectly connected by intermediary, the connection of two element internals can be said.For the ordinary skill in the art, concrete condition above-mentioned term can be understood at concrete meaning of the present invention.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
Embodiment 1
Main enforcement principle of the present invention is widened by the pel spacing of display panel, on the frame pixel of its viewing area, edge being transferred to be adjacent, thus eliminates frame, realize seamless spliced.The display pixel of display panel is mainly transferred on frame by optical system by it, one of a display panel pixel or multiple pixel transition can be become a pixel by optical system, then through position transfer that principle of reflection is shown, through the pixel arrangement of optical system process to whole LCD (comprising viewing area and frame), one piece can be obtained thus and there is no frame, whole panel surface all can show the display device of image, thus realizes seamless spliced.
As illustrated in fig. 1 and 2, a kind of display device eliminating display bezel, comprise display panel 1, display panel 1 is divided into viewing area, center 11, viewing area, edge 12 and rim area 13, display panel 1 surface is provided with optical system 2, optical system 2 is provided with the one or more straight-through light guide structure 21 being positioned at surface, viewing area, center 12 and the one or more periscope structure 22 being positioned at surface, viewing area, edge 13; The light directly outgoing through straight-through light guide structure 21 of viewing area, center 11 outgoing; The light of viewing area, edge 12 outgoing by periscope structure 22 to outgoing after the skew of direction, rim area 13.
Specifically, the division in display panel 1 region can require to divide according to the display of reality, generally display panel 1 core is divided into viewing area, center 11, this region corresponds to the straight-through light guide structure 21 in optical system 2, light directly passes through straight-through light guide structure 21 outgoing after the outgoing of viewing area, center 11, the display of pixel in this region does not occur not change, and belongs to normal display.Generally marginal portion, display panel 1 viewing area is divided into viewing area, edge 12, the division of its size can be carried out according to actual needs, and the Region dividing that display panel 1 can not show image is rim area 13.Viewing area, edge corresponds to the periscope structure 22 in optical system 2, light after the outgoing of viewing area, edge 12 through periscope structure 22, location of pixels offsets from viewing area, edge 12 to frame region, makes partial pixel be offset to rim area 13, thus makes rim area 13 also can show image.
The present invention is the principle applying periscope, the location of pixels at viewing area, edge 12 place is changed to rim area 13.Specifically as shown in Figure 3, for periscope schematic diagram, 3 is light source, 4 is level crossing, and 5 is periscope shell, and 6 is light path, the light that light source 3 sends enters in periscope shell 5, from outgoing in periscope shell 5 after the reflection of two level crossings 4, in the process, light there occurs certain displacement at the Exit positions of periscope relative to incoming position.As shown in Figure 4, the present invention is based on the principle of periscope, devise periscope structure 22 unit, wherein 3 is light source, 7 is transparent outer cover, is coated with the inclined-plane of two high reflectance retes in it, and 6 is light path, the light that light source 3 sends enters transparent outer cover 7, by after the slant reflection of the high reflectance rete in transparent outer cover 7 from transparent outer cover 7 outgoing.This structural unit is applied in display device, display panel edge pixel can be transferred to frame, thus reach elimination frame, realize seamless spliced effect.
In specific implementation process, with reference to the schematic diagram shown in Fig. 4, periscope structure 22 can adopt concrete structure as shown in Figure 5:
As shown in Figure 5, periscope structure is transparent configuration body, it comprises two ends and is respectively light inlet, first through hole 221 of light-emitting window, second through hole 222 and third through-hole 223, first through hole 221 and the second through hole 222 are arranged in the mode perpendicular to display panel, the light-emitting window of the first through hole 221 is connected with the light inlet of the second through hole 222 is vertical, the light-emitting window of the second through hole 222 is connected with the light inlet of third through-hole 223 is vertical, wherein the light-emitting window of third through-hole 223 misplaces relative with the light inlet of the first through hole 221, the sidewall of the second through hole 222 is provided with the first reflecting slant 2221 and the second reflecting slant 2222 be parallel to each other, the light of viewing area, edge outgoing is incident from the light inlet of the first through hole 221, the second reflecting slant 2222 is reflexed to through the first reflecting slant 2221, second reflecting surface 2222 by the light reflection on it to the light-emitting window of third through-hole 223.Optical system 2 corresponds to viewing area, edge 12 can arrange one or more periscope structure 22, if Fig. 1 is example, optical system 2 is provided with multiple periscope structure 22, now, the first reflecting slant in multiple periscope structure 22, the second reflecting slant are parallel mutually, thus ensure that the light entered in optical system 2 can all penetrate after reflection, reduce light loss.
In a preferred embodiment, occur in order to avoid harassing phenomenon, periscope structure 22 is perpendicular to display panel 1 and be close to display panel 1.Particularly, the first through hole 221 in periscope structure 21 is vertical and be close to display panel 1 and arrange.
In one preferred embodiment, can by arranging level crossing or plating high reflectance rete form the first reflecting slant 2221 and the second reflecting slant 2222 on the sidewall of the second through hole 222.
As shown in Figure 1, straight-through light guide structure 21 can allow incident light directly pass through, and the position of pixel does not change herein.In order to prevent the phenomenon of harassing from occurring, straight-through light guide structure 21 is vertical and be close to the surface of display panel 2.During specific implementation, straight-through light guide structure 21 can adopt vertically and be close to transparent pipe or the transparent rods on display panel 2 surface, also inwall can be adopted to be coated with glass bar that the glass tube of high reflectance rete or outer wall are coated with high reflectance rete, this glass tube or glass bar are vertical and be close to display panel 1, wherein, glass tube can be plexi-glass tubular, also can unorganic glass pipe; Glass bar also can be perspex bar, also can be unorganic glass rod.
In one preferred embodiment, light-emitting window on first through hole 221, second through hole 222 and third through-hole 223, light inlet can be circular port also can be square orifice, also can be other shapes, specifically design according to actual needs, during design, need the linking between the light inlet on guarantee first through hole 221, second through hole 222 and third through-hole 223, light-emitting window mutually to mate.In like manner, the light inlet on straight-through light guide structure 21, light-emitting window also can be circular ports, also can be square orifice.Such as, as shown in Figure 6, be the vertical view of optical system 2, the light-emitting window on it is all set to circular port.
In specific implementation process, optical system 2 can be an integrated structure, and its size is the same with the size of display panel 1.
Embodiment 2
On the basis of embodiment 1, optical system 2 can adopt the transparent thin board be made up of highly reflective material, forms straight-through light guide structure and periscope structure in transparent thin board punching.
Embodiment 3
In embodiment 1 or embodiment 2, the present invention utilizes optical system by the edge display pixel transfer frame of display panel, thus makes former display panel frame also can show image, but in the process, pixel is amplified by optical system, causes the brightness meeting slightly difference shown by unit area.Therefore, in order to ensure the consistance of whole display device display brightness, can improve display panel, increasing display panel edge pixel density or increasing pixel intensity, thus eliminate the display difference brought through optical system amplification.Particularly, as shown in Figure 7, be greater than the picture element density of viewing area, edge 12 at the picture element density of viewing area, display panel 1 center 11, namely the pel spacing of viewing area, center 11 is greater than viewing area, edge 12, or the brightness of viewing area, display panel 1 center 11 is greater than the brightness that edge shows 12nd district.
Preferably, as shown in Figure 8, when guaranteeing display pixel size and brightness uniformity, reducing the difficulty of processing of display panel 1 and optical system 2, the picture element density of viewing area, display panel 1 center 11 being set to 2 times of viewing area, edge 12 picture element density; Or the brightness of viewing area, display panel 1 center 11 is set to 2 times of viewing area, edge 12.
Embodiment 4
On the basis of embodiment 1, embodiment 2 or embodiment 3, in order to reduce the show difference of whole display device, as shown in Fig. 2,7 and 8, the rete 9 being used for even light can be set on optical system 2 surface, show difference for reducing, increasing visual angle.Preferably, this rete 9 is diffusion barrier.
The corresponding same or analogous parts of same or analogous label;
Describe in accompanying drawing position relationship for only for exemplary illustration, the restriction to this patent can not be interpreted as;
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.