CN102087814A - Borderless display device and large screen displayer - Google Patents
Borderless display device and large screen displayer Download PDFInfo
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- CN102087814A CN102087814A CN2010105664918A CN201010566491A CN102087814A CN 102087814 A CN102087814 A CN 102087814A CN 2010105664918 A CN2010105664918 A CN 2010105664918A CN 201010566491 A CN201010566491 A CN 201010566491A CN 102087814 A CN102087814 A CN 102087814A
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Abstract
The invention relates to a borderless display device and a large screen displayer, wherein the borderless display device comprises a display screen and an optical element covering the display screen; the optical element comprises an optical flat and a light guide component arranged at periphery of the optical flat; the light guide component comprises a plurality of superposed light guide films which are arranged in a direction of being far away from the optical flat from a side of the optical flat; the light guide films are superposed in expanding form, and air gaps are formed among the light guide films; the light emitted from an edge display region of the display screen enters into the bottom surface of the light guide component and is output from a top surface of the light guide component after being guided by the light guide films of the light guide component, so as to form a light-emitting surface which is bigger than the bottom surface of the light guide component and is used for covering the border; and the large screen displayer is spliced by a plurality of borderless display devices. The borderless display device provided by the invention has the advantages of simple structure, excellent display effect and the like.
Description
Technical field
The present invention relates to the photoelectric display field, more particularly, relate to a kind of no frame display device and large screen display.
Background technology
Now, various jumbotron demonstration demands grow with each passing day, and tiled display is a kind of main mode that realizes that jumbotron shows.But, because when adopting tiled display, existence as the display screen " frame " of each single panel type display of concatenation unit, make the large-scale tiled display that is constituted have the piece of cutting apart that whole picture is caused segmented sense, have a strong impact on the whole structure of the tiled display picture of realization, this problem is even more serious in " dull and stereotyped splicing " scheme that adopts liquid crystal or plasma display as concatenation unit.
Fig. 1 a and Fig. 1 b are display screen 1 synoptic diagram of existing (flat board) splicing display device, because the restriction of factors such as display screen technology principle and manufacturing process, all there is the frame 11 of not luminous (promptly can not display image) of certain width in display screen 1, when adopting this display screen 1 that has frame 11 directly to use as the tiled display unit, the just direct amalgamation of adjacent cells display screen 1 frame has formed " piece " that has a strong impact on the tiled display effect.
In the prior art, a kind of method of eliminating piece is to utilize the effect of light pipes such as optical fiber to constitute the light pipe amplification plate that can play the image amplification, but the shortcoming that this kind solution exists is the image display resolution that can realize is subject to the radical that light pipe amplifies the employed light pipe of plate (optical fiber), and the arrangement that requires light pipe needs strictly to arrange corresponding with display screen matrix, otherwise can cause the image disorder after the amplification, have very high manufacturing process difficulty and will reach this point, under the condition that requires not serious loss resolution of displayed images, be difficult to accomplish lower cost.
The prior art that another eliminates piece is to adopt the mode of light refraction that the shown image of display screen is carried out certain amplification, to reach the purpose of eliminating piece.Shown in Fig. 2 a and Fig. 2 b, when human eye 2 watches the visual angle very little, promptly " face " when screen is watched, " sight line " of human eye 2 amplified the refraction of plate 12 through optics, dropped on the image display area 13 of display screen at last, satisfied the visual continuity of watching splicing part, just eliminated piece 14, but, shown in Fig. 3 a and Fig. 3 b, it is not very little watching the visual angle when human eye 2, when promptly " seeing " screen picture sideling, the sight line of human eye 2 is amplified on the piece 14 that still will drop on after plate 12 reflects between the adjacent display screen (sight line shown in the dotted line among the figure 21) by optics, that is to say still and can see piece 14, can not reach the purpose of real elimination piece 14.
Summary of the invention
The technical problem to be solved in the present invention is, do not have the defective that the above-mentioned display effect of frame display device is not good, can not really eliminate frame at prior art, and a kind of no frame display device and the large screen display that can eliminate frame is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of no frame display device, comprise display screen, described display screen has image display area and is positioned at non-luminous frame in the described image display area outside,
Also comprise the optical component that covers on described image display area and the frame, the plane geometry size of described optical component is more than or equal to the plane geometry size of display screen;
Described optical component comprises optical flat and is arranged on the leaded light component of described optical flat periphery;
The area of described optical flat is less than the area of described image display area, and described image display area divides for middle viewing area that is covered by optical flat and the viewing area, edge that is covered by described leaded light component;
Described leaded light component comprises some light guide sheet stacked together, described light guide sheet is arranged to the direction away from optical flat by the side of described optical flat, it is stacked that described light guide sheet is the expansion shape, the bottom width of described leaded light component is less than or equal to the width of viewing area, described edge, the end face width of described leaded light component has air between the described light guide sheet and has a rest more than or equal to the width sum of viewing area, described edge and described frame;
The light that send viewing area, described edge enters the bottom surface of described leaded light component and exports from the end face of leaded light component after the light guide sheet guiding of leaded light component, forms the light-emitting area greater than the bottom surface of described leaded light component, and hides frame with this light-emitting area.
In no frame display device of the present invention, the cross section of described light guide sheet is trapezoidal, and the width of described light guide sheet is increased to end face gradually by the bottom surface.
In no frame display device of the present invention, the width difference of each described light guide sheet, the end face of each described light guide sheet flushes with the end face of described optical flat, and the bottom surface of each described light guide sheet flushes with the bottom surface of described optical flat.
In no frame display device of the present invention, the end face of described leaded light component is provided with scattering layer.
In no frame display device of the present invention, the thickness of described light guide sheet increases gradually according to the direction away from optical flat, and the thickness of the light guide sheet of close described optical flat is identical with the thickness of described optical flat.
In no frame display device of the present invention, be provided with bonding point or spacer between the described light guide sheet.
In no frame display device of the present invention, the cross sectional shape of each described light guide sheet is identical.
In no frame display device of the present invention, described light guide sheet is the flexible light-conducting sheet, is provided with spacer between the described light guide sheet, and described spacer is near the end face of described light guide sheet, and described light guide sheet bonds together in the position near the bottom surface.
In no frame display device of the present invention, described optical flat is formed by stacking by light guide sheet or is formed by stacking by the pectination light guide sheet.
In no frame display device of the present invention, the brightness of viewing area, described edge is higher than the brightness of described middle viewing area.
The present invention also provides another kind of no frame display device, comprises display screen, and described display screen has image display area and is positioned at non-luminous frame in the described image display area outside,
Also comprise the optical component that covers on the described display screen;
Described optical component is an optical flat, and the plane geometry size of the end face of described optical flat is more than or equal to the plane geometry size of described display screen;
The viewing area, edge of viewing area and close frame in the middle of described image display area comprises;
The edge of described optical flat has several air that extend in the same way with the optical flat edge has a rest, and described air has a rest laterally, and the bottom surface that described air is had a rest is corresponding with viewing area, described edge, described air in having a rest adjacent air form light guide sheet between having a rest;
The light that send viewing area, described edge enters described light guide sheet and exports from the end face of light guide sheet after described light guide sheet guiding, forms the light-emitting area greater than viewing area, described edge, and hides frame with this light-emitting area.
The present invention also provides a kind of large screen display, and described large screen display is spliced by several above-described no frame display device.
Implement no frame display device of the present invention and large screen display, has following beneficial effect: in the present invention, leaded light component comprises that being some stacked light guide sheet of expansion shape forms, having air between the light guide sheet has a rest, the light that is sent by the viewing area, edge of display screen enters in the light guide sheet, total reflection can take place at the air place of having a rest, so that this light can be directed to the end face of light guide sheet, thereby the image that makes the viewing area, edge is amplified by optics and covers in non-luminous frame, reaches the effect that no frame shows.Advantages such as no frame display device of the present invention has simple in structure, realizes easily, and display effect is good can be spliced into various large screen displays.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 a is the synoptic diagram of the display screen of prior art;
Fig. 1 b is an A portion enlarged drawing among Fig. 1 a;
Fig. 2 a is existing a kind of schematic diagram of eliminating the display device of piece;
Fig. 2 b is a B portion enlarged drawing among Fig. 2 a;
The synoptic diagram of the defective of the existence of the display device of the described elimination piece of Fig. 3 a Fig. 2 a;
Fig. 3 b is a C portion enlarged drawing among Fig. 3 a;
Fig. 4 a be no frame display device of the present invention the synoptic diagram of first embodiment;
Fig. 4 b is a D portion enlarged drawing among Fig. 4 a;
Fig. 5 is the synoptic diagram of second embodiment of no frame display device of the present invention;
Fig. 6 is the synoptic diagram of the 3rd embodiment of no frame display device of the present invention;
Fig. 7 is the synoptic diagram of the 4th embodiment of no frame display device of the present invention;
Fig. 8 is the synoptic diagram of the 5th embodiment of no frame display device of the present invention;
Fig. 9 is the synoptic diagram of the 6th embodiment of no frame display device of the present invention;
Figure 10 a is the synoptic diagram of second kind of embodiment of the optical flat in the no frame display device of the present invention;
Figure 10 b is an E portion enlarged drawing among Figure 10 a;
Figure 11 a is the synoptic diagram of second kind of embodiment of the optical flat in the no frame display device of the present invention;
Figure 11 b is a F portion enlarged drawing among Figure 11 a;
Figure 12 is the synoptic diagram of the 7th embodiment of no frame display device of the present invention;
Figure 13 is the synoptic diagram of the 8th embodiment of no frame display device of the present invention.
Embodiment
Boundless frame apparatus of the present invention, comprise display screen, this display screen has image display area and is positioned at non-luminous frame in the described image display area outside, no frame display device of the present invention also comprises the optical component that covers on image display area and the frame, and the plane geometry size of this optical component is more than or equal to the plane geometry size of display screen; This optical component comprises optical flat and is arranged on the leaded light component of optical flat periphery; The area of this optical flat is less than the area of image display area, and image display area divides for middle viewing area that is covered by optical flat and the viewing area, edge that is covered by leaded light component; Leaded light component comprises some light guide sheet stacked together, light guide sheet is arranged to the direction away from optical flat by the side of optical flat, it is stacked that light guide sheet is the expansion shape, the bottom width of leaded light component is less than or equal to the width of viewing area, edge, the end face width of leaded light component is more than or equal to the width sum of viewing area, edge and frame, have air between the light guide sheet and have a rest, because the existence that air is had a rest, total reflection can take place at the air place of having a rest in the light that conducts in light guide sheet; The light that send the viewing area, edge enters the bottom surface of described leaded light component and exports from the end face of leaded light component after the light guide sheet guiding of leaded light component, formation is greater than the light-emitting area of the bottom surface of described leaded light component, and with this light-emitting area covering frame, with the effect that realizes that no frame shows, realize the purpose that no frame shows.
It will be appreciated that, also can directly on optical flat, process above-mentioned optical module, promptly directly process air some and that the optical flat edge extends in the same way has a rest at the edge of a big optical flat, between having a rest, air forms light guide sheet, the air of edge is had a rest and is tilted laterally, when adopting this structure, the size of optical flat is more than or equal to the size of display screen, and promptly optical flat covers display screen fully.
Introduced no frame display device of the present invention above generally and how to have realized, understood for technical characterictic of the present invention, purpose and effect being had more clearly, the contrast accompanying drawing describes the specific embodiment of the present invention in detail below.
Shown in Fig. 4 a and Fig. 4 b, first embodiment for no frame display device of the present invention, display screen 1 has image display area 13 and is positioned at non-luminous frame 11 in image display area 13 outsides, on the image display area 13 of display screen 1 and frame 11, be coated with optical component 3, the plane geometry size of optical component 3 also is that optical component 3 can cover display screen 1 fully more than or equal to the plane geometry size of display screen 1.Optical component 3 comprises optical flat 30 and leaded light component 31, and optical flat 30 is a transparent panel, is made by the material that light transmission is good.Leaded light component 31 comprises some light guide sheet stacked together 310 compositions, light guide sheet 310 can adopt with optical flat 30 identical materials and make, light guide sheet 310 is the expansion shape and arranges, also the cross section of the leaded light component of promptly forming 31 roughly is trapezoidal, the width of the end face of leaded light component 31 is greater than the width of the bottom surface of leaded light component 31, face near display screen 1 is the bottom surface, and the face relative with the bottom surface is end face; Light guide sheet 310 is arranged to the direction away from optical flat 30 along the side of optical flat 30, has air between the light guide sheet 310 and has a rest 4.In the present embodiment, the cross section of light guide sheet 310 is trapezoidal, the width of end face 312 is greater than the width of bottom surface 311, width is increased to end face 312 gradually by bottom surface 311, light guide sheet 310 width of forming leaded light component 31 are also inequality, the bottom surface of the leaded light component 31 that such light guide sheet 310 is formed is the plane and flushes with the bottom surface of optical flat 30, the end face of leaded light component 31 also flushes for the plane and with the end face of optical flat 30, be provided with bonding point 315 between the light guide sheet 310, adopt glue or double faced adhesive tape that light guide sheet 310 tack coats are gathered into folds, in the present embodiment, all being provided with used glue or the double faced adhesive tape of bonding point 315. bondings in the place near end face and close bottom surface respectively is any suitable cementing agent or double faced adhesive tape, in order to guarantee have a rest 4 existence of air, bond again after can between light guide sheet 310, being encased inside spacer, or directly bond at the spacer place.
The image display area 13 of display screen 1 can divide for middle viewing area 130 that is covered by optical flat 30 and the viewing area, edge 131 that is covered by leaded light component 31, the bottom surface of leaded light component 31 covers viewing area, edge 131, and the width of the end face of leaded light component 31 is more than or equal to the width sum of the width and the frame 11 of viewing area, edge 131.Referring to the light L among Fig. 4 b, owing to have air to have a rest 4 between the light guide sheet 310 of leaded light component 31, when light enters in the light guide sheet 310 by the bottom surface 311 of light guide sheet 310, full emission can take place in have a rest 4 light of directive air on light guide sheet 310 and air are had a rest 4 interphase, the another side of directive light guide sheet 310 after the light generation total reflection, continuing to take place full emission penetrates until the end face 312 of this light by light guide sheet 310, because the end face width of leaded light component 31 is greater than bottom width, be equivalent to the image of viewing area, edge 131 has been carried out the optics amplification, cover non-luminous frame region, thereby realize that no frame shows.Because the light that send viewing area, edge 131 enters the bottom surface of described leaded light component 31 and exports from the end face of leaded light component 31 after light guide sheet 310 guiding of leaded light component 31, formation is greater than the light-emitting area of the bottom surface of leaded light component 31, and with this light-emitting area covering frame, organic whole of image construction that the top plane view picture of leaded light component 31 and beholder watch by optical flat 30, thereby obtain a complete boundless block diagram picture fully, so have better display effect, can be because of the difference at visual angle, and cause the display effect variation, realize that real no frame shows.
Embodiment 2
As shown in Figure 5, structural representation for the second embodiment of the present invention, present embodiment is to have done further improvement on the basis of first embodiment, specifically be that end face with leaded light component 31 is provided with scattering layer 316, this is because constitute the width of the light guide sheet 31 of leaded light component 31 increases to end face gradually from the bottom surface grading structure, the light that incides the light guide sheet 310 from the bottom surface of leaded light component 31 passes through light guide sheet 310 two sides 313, after 314 the total reflection, scattering angle during from leaded light component 31 end face outgoing can reduce, this can make and reduce from the visual angle of watching of the enlarged image of leaded light component 31 end faces acquisition, leaded light component 31 end faces are provided with scattering layer 316 can increase from the scattering angle of leaded light component 31 end face emergent raies, what make image that leaded light component 31 end face places obtain watches the visual angle consistent with the general image of display screen 1.The formation of the scattering layer of leaded light component 31 end faces can be adopted at leaded light component 31 end faces and paste light-diffusing films or microlens array film, microprism array film, also can directly adopt the light guide sheet top end surface is carried out roughened or processes lenticule or the method for microprism array forms light scattering layer 316.
As shown in Figure 6, the 3rd embodiment for no frame display device of the present invention, different with preceding two embodiment is, in the present embodiment, the cross sectional shape of the light guide sheet 310 of formation leaded light component 31 is the same, all is trapezoidal, the cross sectional shape of the leaded light component 31 that constitutes roughly is trapezoidal, the end face of leaded light component 31 and bottom surface no longer are strict planes, and adhesive spots 313 is set between the light guide sheet 310, form air and have a rest 4 between light guide sheet 310.The benefit of this structure is, the light guide sheet 310 that only need process a kind of cross section gets final product, and can reduce the expense of processing and fabricating, reduces manufacturing cost, when especially adopting mould pressing process to make light guide sheet 310, can significantly reduce the mould development cost of manufacture.Other structures of this example are identical with the structure of preceding two embodiment, repeat no more.
As shown in Figure 7, the 4th embodiment for no frame display device of the present invention, different with first three embodiment is, in the present embodiment, constitute the thickness difference of the light guide sheet 310 of leaded light component 31, the thickness of light guide sheet 310 is meant the physical dimension of light guide sheet 310 in the direction of vertical display screen 1, the thickness of light guide sheet 310 increases gradually according to the direction away from optical flat 30, the thickness of the light guide sheet 310 of close optical flat 30 is identical with the thickness of optical flat 30, this is because of the optical guidance amplification that will guarantee the viewing area, edge, light guide sheet 310 must have certain thickness, and the thickness of optical flat 30 does not have special requirement, adopts such design, can reduce the thickness of optical flat 30 greatly, thereby reduce the material of optical flat 30, alleviate the weight of product and reduce manufacturing cost.Other structures of this example are identical with the structure of the embodiment of front, repeat no more
Embodiment 5
As shown in Figure 8, the 5th embodiment for no frame display device of the present invention, different with the embodiment of front is, in the present embodiment, the cross section that constitutes the light guide sheet 310 of leaded light component 31 is the square-section, the width that also is light guide sheet 310 is unanimous between the higher and lower levels, the cross sectional shape of each light guide sheet 310 is identical, stacked in order to make light guide sheet 310 be the expansion shape, between side, sandwich spacer 317 near the light guide sheet 310 of the side of optical flat 30 and optical flat 30, spacer 317 is provided with in the position of the end face 312 of close light guide sheet 310, spacer 317 is set between the light guide sheet 310 then equally, the bottom surface portions of light guide sheet 310 is close to together like this, summit portion is then separated by spacer 317, to guarantee that light guide sheet 310 is expansion state after superimposed, like this cross section of the leaded light component 31 of Zu Chenging also roughly in echelon, be the end face of leaded light component 31 and bottom surface no longer strictness be the plane.The benefit of this structure is, need not make special light guide sheet specially, only needs to adopt common sheet of transparent material to get final product, and can simplify manufacture craft and reduce manufacturing cost.
For the fixedly setting that realizes leaded light component 31 and with being connected of optical flat 30, leaded light component in the present embodiment also comprises light guide sheet stator 318 and transparent splicing tape 319, light guide sheet stator 318 comprise planar section 3181 and with planar section be the flanging 3182 of one, planar section 3181 flushes or extend between the bottom surface and display screen 1 of described optical flat 30 with the bottom surface of optical flat 30, in this enforcement, planar section 3181 extend between the bottom surface of described optical flat 30 and the display screen 1 and is fixing with the bottom surface bonding of optical flat 30, light guide sheet 310 is positioned on the light guide sheet stator 318, the adjacent flanging 3182 of outermost light guide sheet, transparent splicing tape 319 is bonded at the lateral surface of flanging 3182 on one side, another side is bonded in the end face of optical flat 30, utilizes this transparent splicing tape that each light guide sheet 310 is carried out fastening setting.
More than transparent optical spare such as light guide sheet 310, optical flat 30 among each embodiment can adopt glass or various transparent engineering plastics etc. to carry out machining or mould-forming process is made.
Embodiment 6
As shown in Figure 9, the 6th embodiment for no frame display device of the present invention, the light guide sheet 310 superimposed formation leaded light components 31 that the soft sheet of transparent material that adopts width to equate among this embodiment is made, and have a rest at superimposed air that the end near the light guide sheet end face sandwiches spacer 317 in 4, with the expansion state after keeping light guide sheet 310 superimposed, the part of the close bottom surface of each light guide sheet 310 is adhesively fixed, adopt the design of present embodiment need not make special light guide sheet specially, only need to adopt common soft sheet of transparent material to get final product, can simplify manufacture craft and reduce manufacturing cost, the plane, top of each light guide sheet 310 and the normal direction on plane, bottom can accomplish that the average conduction orientation of needed light is consistent simultaneously, can improve the luminance uniformity of the leaded light component top plane view picture of leaded light efficient and raising acquisition.
More than optical flat 30 among each embodiment except adopting whole plate-like structure, can also be other structure.
Second kind of version of the optical flat shown in Figure 10 a and Figure 10 b, this optical flat 30 also adopts the superimposed formation of light guide sheet.The light guide sheet of superimposed optical flat can adopt the light guide sheet identical with superimposed leaded light component, also can adopt different light guide sheet, generally speaking, the light guide sheet of superimposed optical flat 30 such as preferentially adopts at the light guide sheet of width, but also can adopt and not wait the width mating plate, when employing did not wait the width light guide sheet, it was superimposed to interlock according to the order of sequence, totally smooth to guarantee the optical flat that is formed by stacking.Adopting the advantage of this embodiment, is can eliminate in above each embodiment from the leaded light component end face with from the drop sense of the observed image of optical flat, guarantees the good continuity of the general image that the beholder watches.
The third version of optical flat shown in Figure 11 a and Figure 11 b, this optical flat adopt pectination light guide sheet 301 superimposed formation optical flats.So-called pectination light guide sheet, be that light guide sheet is had vertical isolation cut from the side on light guide sheet top by suitable length and spacing, make light guide sheet become the broach shape, adopt the design of such light guide sheet can prevent or improve light that row (or row) pixel along light guide sheet direction correspondence sends and in light guide sheet, crosstalk and reduce the top plane view picture that obtained image resolution ratio along the light guide sheet direction along the light guide sheet direction.It will be appreciated that the pectination light guide sheet also can be used for constituting the leaded light component of aforementioned each embodiment.
Embodiment 7
As shown in figure 12, synoptic diagram for the 7th embodiment of no frame display device of the present invention, this embodiment is that directly processing some air at the edge of optical flat 30 has a rest 4, to substitute the leaded light component among the embodiment noted earlier, also is about to leaded light component and optical flat and is designed to integral body.Air is had a rest and 4 is tilted laterally, air is had a rest and is formed light guide sheet between 4, have a rest 4 bottom surface 41 of air is corresponding with viewing area, edge 131, the light of viewing area, edge 131 enters in the light guide sheet and is exported by end face after the light guide sheet guiding, formation is greater than the light-emitting area of viewing area, edge 131, and with this light-emitting area covering frame 11, with the effect that realizes that no frame shows.The side of optical flat is the inclined-plane in the present embodiment, and the top surface area that also is optical flat 30 is greater than base area, and the size of the image display area of bottom surface and display screen adapts, and end face is more than or equal to the physical dimension of display screen.
Embodiment 8
As shown in figure 13, be the synoptic diagram of the 8th embodiment of no frame display device of the present invention, the difference of present embodiment and the 7th embodiment is that the side of optical flat 30 is vertical planes, and promptly the end face of optical flat 30 and base area equate.Other structures with the 7th embodiment are identical, repeat no more.
It 4 is to process some grooves by mach mode at the edge of optical flat 30 to realize that air among embodiment 7 and the embodiment 8 is had a rest, and perhaps forms in other suitable modes.Have a rest 4 thickness of air can be uneven, also can be uniform.The edge of the end face of optical flat is set as scattering surface also can be in second embodiment.It will be appreciated that, air 4 forms that are not limited in the foregoing description of having a rest, other any suitable forms also can adopt, as long as can form the effect that optics amplifies.And optical flat 30 processes perpendicular to the air of optical flat end face or bottom surface at the position, middle viewing area corresponding to display screen and has a rest, and is similar to the structure of the optical flat among Figure 11 a.
In above each embodiment, utilize the special optical structure of leaded light component, the image (leaded light component ground plan picture) of the subregion of close display bezel in the display image viewing area is carried out the optics amplification, thereby utilize this top plane view picture that has amplified to hide display bezel, thereby reach the purpose that no frame shows, but, this end face image area is greater than the bottom surface image area, thereby can cause the reduction of top plane view image brightness inevitably, in order to eliminate this luminance difference, can utilize existing ripe image processing techniques, the brightness of the image that the display screen in the zone that corresponding raising is corresponding with the leaded light component bottom surface is shown, promptly utilize image processing techniques that the brightness of the top plane view picture that obtained is carried out from normal moveout correction, such image processing techniques has been ripe prior art, does not repeat them here.
For display screen is LCD, and the light emitting array that the Sony ericsson mobile comm ab that adopts LED or OLED and so on is formed is as the situation of the backlight of display, also can adopt in design the Sony ericsson mobile comm ab array is carried out drive controlling, suitably improve the method for its ground plan as the Sony ericsson mobile comm ab luminosity of corresponding site, brightness to the top plane view picture compensates automatically, the drive controlling of such solid luminescent array also belongs to existing mature technology, also repeats no more herein.
No frame display device of the present invention can be used separately, also can not have the frame display device by several and is spliced into various large screen displays.
The display screen that the present invention does not have among each embodiment of frame display device can be various suitable display screens, for example various electronic displays commonly used such as LCDs, plasma panel or projection display screen.
In conjunction with the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (12)
1. a no frame display device comprises display screen, and described display screen has image display area and is positioned at non-luminous frame in the described image display area outside, it is characterized in that,
Also comprise the optical component that covers on described image display area and the frame, the plane geometry size of described optical component is more than or equal to the plane geometry size of display screen;
Described optical component comprises optical flat and is arranged on the leaded light component of described optical flat periphery;
The area of described optical flat is less than the area of described image display area, and described image display area divides for middle viewing area that is covered by optical flat and the viewing area, edge that is covered by described leaded light component;
Described leaded light component comprises some light guide sheet stacked together, described light guide sheet is arranged to the direction away from optical flat by the side of described optical flat, it is stacked that described light guide sheet is the expansion shape, the bottom width of described leaded light component is less than or equal to the width of viewing area, described edge, the end face width of described leaded light component has air between the described light guide sheet and has a rest more than or equal to the width sum of viewing area, described edge and described frame;
The light that send viewing area, described edge enters the bottom surface of described leaded light component and exports from the end face of leaded light component after the light guide sheet guiding of leaded light component, forms the light-emitting area greater than the bottom surface of described leaded light component, and hides frame with this light-emitting area.
2. no frame display device according to claim 1 is characterized in that the cross section of described light guide sheet is trapezoidal, and the width of described light guide sheet is increased to end face gradually by the bottom surface.
3. no frame display device according to claim 2, it is characterized in that, the width difference of each described light guide sheet, the end face of each described light guide sheet flushes with the end face of described optical flat, and the bottom surface of each described light guide sheet flushes with the bottom surface of described optical flat.
4. no frame display device according to claim 3 is characterized in that the end face of described leaded light component is provided with scattering layer.
5. no frame display device according to claim 2 is characterized in that the thickness of described light guide sheet increases gradually according to the direction away from optical flat, and the thickness of the light guide sheet of close described optical flat is identical with the thickness of described optical flat.
6. no frame display device according to claim 1 is characterized in that, is provided with bonding point or spacer between the described light guide sheet.
7. no frame display device according to claim 1 is characterized in that the cross sectional shape of each described light guide sheet is identical.
8. no frame display device according to claim 1, it is characterized in that described light guide sheet is the flexible light-conducting sheet, is provided with spacer between the described light guide sheet, described spacer is near the end face of described light guide sheet, and described light guide sheet bonds together in the position near the bottom surface.
9. according to each described no frame display device of claim 1 to 8, it is characterized in that described optical flat is formed by stacking by light guide sheet or is formed by stacking by the pectination light guide sheet.
10. according to each described no frame display device of claim 1 to 8, it is characterized in that the brightness of viewing area, described edge is higher than the brightness of described middle viewing area.
11. a no frame display device comprises display screen, described display screen has image display area and is positioned at non-luminous frame in the described image display area outside, it is characterized in that,
Also comprise the optical component that covers on the described display screen;
Described optical component is an optical flat, and the plane geometry size of the end face of described optical flat is more than or equal to the plane geometry size of described display screen;
The viewing area, edge of viewing area and close frame in the middle of described image display area comprises;
The edge of described optical flat has several air that extend in the same way with the optical flat edge has a rest, and described air has a rest laterally, and the bottom surface that described air is had a rest is corresponding with viewing area, described edge, described air in having a rest adjacent air form light guide sheet between having a rest;
The light that send viewing area, described edge enters described light guide sheet and exports from the end face of light guide sheet after described light guide sheet guiding, forms the light-emitting area greater than viewing area, described edge, and hides frame with this light-emitting area.
12. a large screen display is characterized in that, described large screen display is spliced as each described no frame display device of claim 1 to 11 by several.
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