CN101231427A - Electrooptical device and electronic equipment provided with same - Google Patents
Electrooptical device and electronic equipment provided with same Download PDFInfo
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- CN101231427A CN101231427A CNA2008100828064A CN200810082806A CN101231427A CN 101231427 A CN101231427 A CN 101231427A CN A2008100828064 A CNA2008100828064 A CN A2008100828064A CN 200810082806 A CN200810082806 A CN 200810082806A CN 101231427 A CN101231427 A CN 101231427A
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Abstract
The invention provides an electrooptical device for preventing a shade of a second optical panel from reflecting on a first panel in simple configuration, and to provide electronic equipment provided with the same. The electrooptical device comprises: the first optical panel 10 comprising a pair of substrates 11, 12 sandwiching an electrooptical substance 14; the second optical panel 20 having smaller plane size than the first optical panel 10 comprising a pair of substrates 21, 22 sandwiching an electrooptical substance 24 and arranged so as to be planarly overlapped on the first optical panel 10; a light source 31 for emitting light; a lighting system 30 having a light guide member 32 incident on light emitted from the light sources 31 respectively of the first optical panel 10 and the second optical panel 20 by being arranged between the first optical panel 10 and the second optical panel 20; and a light absorption member 40 provided other than a display region of the second optical panel between the first optical panel 10 and the second optical panel 20.
Description
Technical field
For example the present invention relates to the electro-optical device that in mobile phone etc., uses, particularly the electronic equipment that on the two sides at surface, the back side, has the electro-optical device of optic panel and have this electro-optical device.
Background technology
In recent years, in the electronic equipment of mobile phone, portable computer, video camera etc., be extensive use of the electro-optical device of liquid crystal indicator etc. as display unit.As this electro-optical device, proposed particularly in mobile phone and PDA (personal digital assistant, Personal Digital Assistant) on etc. the information terminal 2 liquid-crystal apparatus is configured to back-to-back scheme (for example, with reference to patent documentation 1 and patent documentation 2).
Such electronic equipment between the 1st liquid crystal panel and the 2nd liquid crystal panel, is provided with light guide member and semi-penetration plate since the 1st liquid crystal panel one side order with arranged spaced the 1st liquid crystal panel and the 2nd liquid crystal panel of regulation.Then, carried out a part of light in the light of leaded light and reflect on the semi-penetration plate and advance towards the 1st liquid crystal panel in light guide member, remaining light sees through on the semi-penetration plate and advances towards the 2nd liquid crystal panel.Like this, image light penetrates from display surface one side of each liquid crystal panel.
; as the liquid crystal indicator of above-mentioned patent documentation 1 and patent documentation 2 records; under the situation that clips the relative configuration with the 2nd liquid crystal panel of semi-penetration plate with the 1st liquid crystal panel; mutual liquid crystal display is influential to the liquid crystal display of a relative side as shadow, becomes to show bad reason.As the dual-face display apparatus that addresses this problem, proposed to set the 2nd liquid crystal panel for black display (LED is arranged to normal deceiving), block the scheme (for example, with reference to patent documentation 3) that sees through light from the back side.
Patent documentation 1: the spy opens the 2004-87409 communique
Patent documentation 2: the spy opens the 2003-207801 communique
Patent documentation 3: the spy opens the 2004-78047 communique
At this, in above-mentioned patent documentation 1 and patent documentation 2 described liquid crystal indicators, only record utilizes the semi-penetration plate light of light guide member to be divided into the situation on two sides.In addition, in the two sides display device that patent documentation 3 is recorded and narrated, just block, prevent to brighten in the zone that when the 1st liquid crystal panel one side is seen, disposes the 2nd liquid crystal panel from the exterior light of the 2nd liquid crystal panel one side incident.Thereby, in the technology of patent documentation 3, can be created in when the 1st liquid crystal panel one side is seen the problem of the regional deepening of the 2nd liquid crystal panel because of the difference of environment at patent documentation 1.
Summary of the invention
The present invention proposes in order to address the above problem, and its purpose is to provide the electro-optical device of the simple structure of a kind of usefulness prevents to mirror the 2nd optic panel on the 1st optic panel shadow and the electronic equipment that possesses this electro-optical device.
To achieve these goals, the invention provides following scheme.
Electro-optical device of the present invention is characterised in that to possess: the 1st optic panel that comprises a pair of substrate of clamping electro-optical substance; Comprise a pair of substrate of clamping electro-optical substance, and be configured to above-mentioned the 1st optic panel plane see overlapping, than the 2nd little optic panel of above-mentioned the 1st optic panel planar dimension; Have the light source that penetrates light, and be disposed between above-mentioned the 1st optic panel and above-mentioned the 2nd optic panel and make the light that penetrates from above-mentioned light source incide the lighting device of the light guide member of above-mentioned the 1st optic panel and above-mentioned the 2nd optic panel respectively; And be arranged on the light absorption part in the zone beyond the viewing area of above-mentioned the 2nd optic panel between above-mentioned the 1st optic panel and above-mentioned the 2nd optic panel.
The inventor produces the problem of difference in the light intensity of having found to penetrate in zone that never disposes the 2nd optic panel and the zone that disposes the 2nd optic panel in the 1st liquid crystal panel when the problem points of studying in the past.This is because the light that penetrates to the zone that the 2nd optic panel is not set from light guide member for example reflects the back towards the 1st optic panel in enclosure interior, so exist light intensity to compare strong problem with the light that penetrates from the zone that disposes the 2nd optic panel.
Thereby, if be arranged to formation as described above, then at first, from light leaded light light guide member of light source ejaculation, towards the 1st optic panel and the 2nd optic panel.Then, the part in the light of process light guide member leaded light is towards the 1st optic panel one side, and remaining light is towards the 2nd optic panel one side.At this moment, in the light of the 2nd optic panel one side, beyond the viewing area of the 2nd optic panel, penetrate, for example absorbed by light absorption part towards the light of the 1st optic panel in enclosure interior reflection back.Thereby the 1st optic panel zone of seeing from the 1st optic panel one side, the zone that never disposes the 2nd optic panel is roughly even with the light intensity of the zone ejaculation of having disposed the 2nd optic panel.Thus, because it is inhomogeneous to suppress the display brightness seen from the 1st optic panel one side, so can on the 1st optic panel, not produce the shadow of the 2nd optic panel.
And in the present application, thereby so-called electro-optical device is except having by electric field action the variations in refractive index of material to be made the device of the electrooptical effect that the transmitance of light changes, and also comprises the general name of the device that converts electrical energy into luminous energy etc.Specifically, there is use to carry out device shown, promptly use the liquid crystal indicator, electrophoresis showed apparatus (EPD:Electrophoretic Display) etc. of liquid crystal as electro-optical substance from the light of lighting device.
In addition, electro-optical device of the present invention it is desirable to, and above-mentioned light absorption part is arranged on above-mentioned the 2nd optic panel one side of above-mentioned light guide member.
In electro-optical device of the present invention, on light guide member one end face that light absorption part is arranged on the 2nd optic panel one side, when disposing light absorption part on the part beyond the viewing area at the 2nd optic panel, the contraposition of optical absorption parts and the 2nd optic panel becomes easy.
In addition, electro-optical device of the present invention it is desirable to, above-mentioned the 1st optic panel one side at above-mentioned light guide member is provided with light-blocking member, and this light-blocking member has and is used to make the light that penetrates from above-mentioned light guide member to incide the peristome of the viewing area of above-mentioned the 1st optic panel.
In electro-optical device of the present invention,, can avoid spreading at the end face of the 1st optic panel from the light that the 1st optic panel penetrates by light-blocking member is set.That is, Yi Bian can effectively use from the major part of the light of light guide member ejaculation, Yi Bian prevent the generation of brightness irregularities with easy structure.
In addition, electro-optical device of the present invention it is desirable to, and above-mentioned light absorption part is the resin film of black.
In electro-optical device of the present invention, because light absorption part is the resin film of black, thus abundant absorbing light, and can make the whole slimming of device.
In addition, electro-optical device of the present invention is characterised in that: possess: the 1st optic panel that comprises a pair of substrate of clamping electro-optical substance; Comprise a pair of substrate of clamping electro-optical substance, and be configured to above-mentioned the 1st optic panel plane see overlapping, than the 2nd little optic panel of above-mentioned the 1st optic panel planar dimension; Have the light source that penetrates light, and be disposed between above-mentioned the 1st optic panel and above-mentioned the 2nd optic panel and make the light that penetrates from above-mentioned light source incide the lighting device of the light guide member of above-mentioned the 1st optic panel and above-mentioned the 2nd optic panel respectively; And be arranged on the light absorption part in the zone beyond the viewing area of above-mentioned the 2nd optic panel between above-mentioned the 1st optic panel and above-mentioned the 2nd optic panel; Wherein, be formed with on above-mentioned light absorption part and be used to make the light that penetrates from above-mentioned light guide member to incide the peristome of the viewing area of above-mentioned the 2nd optic panel, the edge of this peristome is positioned at the lightproof area of the peripheral part of above-mentioned the 2nd optic panel.
In electro-optical device of the present invention, the light that penetrates from the light source of lighting device by the light guide member leaded light towards the 1st optic panel and the 2nd optic panel.In the light of the 2nd optic panel, the light that penetrates in addition from effective viewing area of the 2nd optic panel is because interdicted by light absorption part, so can seek the raising of the visibility of the 2nd optic panel.
Electronic equipment of the present invention is characterised in that: above-mentioned electro-optical device is equipped with as display unit.
In electronic equipment of the present invention, can provide the electronic equipment that possesses electro-optical device that can the high-grade display image.
Description of drawings
Fig. 1 is the exploded view of the electro-optical device of expression the 1st embodiment of the present invention;
Fig. 2 is the major part sectional view of the electro-optical device of presentation graphs 1;
Fig. 3 is the top view of the electro-optical device of presentation graphs 1;
Fig. 4 is the backplan of the electro-optical device of presentation graphs 1;
Fig. 5 is the skeleton view of light absorption part of the electro-optical device of presentation graphs 1;
Fig. 6 is the major part amplification profile of size of light absorption part of the electro-optical device of presentation graphs 1;
Fig. 7 is the skeleton view of a kind of embodiment of expression electronic equipment of the present invention.
Symbol description:
1... liquid crystal indicator (electro-optical device); 10... the 1st liquid crystal panel; 14... liquid crystal layer (electro-optical substance); 20... the 2nd liquid crystal panel; 30... lighting device; 31... light source; 32... light guide plate (light guide member); 32a... the one side of light guide plate; 32b... the another side of light guide plate; 45... light-blocking member; 45a... the peristome of light-blocking member
Embodiment
Below, with reference to the description of drawings embodiments of the present invention.And, in each accompanying drawing face of Shi Yonging,, change the engineer's scale of each parts aptly in the following description for each parts is arranged to look the size of recognizing.
At first, referring to figs. 1 through the liquid crystal indicator of Fig. 5 explanation as a kind of embodiment of electro-optical device of the present invention.
The liquid crystal indicator 1 of present embodiment possesses shown in Fig. 1 and 2: be arranged in the housing 2, comprise the 1st liquid crystal panel 10 of a pair of substrate 11,12; When comprising a pair of substrate 21,22, to see that with the 1st liquid crystal panel 10 planes overlapping mode disposes, than the 2nd big slight liquid crystal panel 20 on the 1st liquid crystal panel 10 planes; The lighting device 30 that uses as the shared back of the body lamps of the 1st, the 2nd liquid crystal panel 10,20; Be arranged on the light absorption part 40 between the 1st liquid crystal panel 10 and the 2nd liquid crystal panel 20.
The 1st liquid crystal panel 10 possesses as shown in Figure 2: open the pair of planar that the box gap is oppositely arranged across encapsulant 13 mutual skies and see rectangular substrate 11,12; And being clamped in liquid crystal layer (electro-optical substance) 14 between these substrates 11,12, substrate 12 1 sides are provided with lighting device 30.In addition, on the 11a of the outside of substrate 11, be provided with and penetrate the lateral deviation tabula rasa 15 that shakes, the incident one lateral deviation tabula rasa 16 that shakes is set on the 12a of the outside of substrate 12.The driver 4 of the image display process of carrying out the 1st, the 2nd liquid crystal panel 10,20 is installed on substrate 12 in addition.
The 2nd liquid crystal panel 20 as shown in Figure 2, and is the same with the 1st liquid crystal panel 10, possesses to open the pair of planar that the box gap is oppositely arranged across encapsulant 3 mutual skies and see rectangular substrate 21,22; And be clipped in liquid crystal layer (electro-optical substance) 24 between these substrates 21,22, in substrate 22 1 sides lighting device 30 is set.In addition, on the 21a of the outside of substrate 21, be provided with and penetrate the lateral deviation tabula rasa 25 that shakes, the incident one lateral deviation tabula rasa 26 that shakes is set on the 22a of the outside of substrate 22.
On a side substrate 21, on liquid crystal layer 24 1 sides, multi-strip scanning line (omitting diagram) and many data lines (omitting diagram) are formed rectangular, on by each zone of these sweep traces and data line encirclement, pixel electrode 42 is set.On the position of this sweep trace and data line intersection TFT element 41 is set, each pixel electrode 42 is connected with data line via TFT element 41.Thus, if sweep trace and data line are applied signal, then TFT element 41 switchings are carried out writing of signal to pixel electrode 42.On whole on these TFT elements 41 and the pixel electrode 42 etc., form the alignment films 43 of having implemented friction treatment.
In addition, below liquid crystal layer 24 1 sides of substrate 22 on, peripheral photomask 51, color filter 52, overlay 53, common electrode 54, alignment films 55 form according to this order lamination.This common electrode 54 is planar films that the light transmission conductive material with ITO etc. forms.
Periphery photomask 51 has the plane and sees rectangular frame shape, along interior all side settings of encapsulant 23, and effective viewing area A of specified image.
In addition, color filter 52 possesses lightproof unit 52a and red, green, blue each coloring units 52R, 52G, 52B, and lightproof unit 52a forms matrix shape to divide each coloring units 52R, 52G, 52B.In addition, lightproof unit 52a for example is made of the black photosensitive resin film.
Above-mentioned substrate 11,12,21,22 for example is the photopermeability substrate that the transparent material by glass etc. constitutes.In addition, alignment films 43,55 for example forms with polyimide.
In addition, on the 1st, the 2nd liquid crystal panel 10,20,, be provided with FPC substrate (flexible printed circuit, Flexible Printed Circuit) 3 as Fig. 3 and shown in Figure 4.This FPC substrate 3 is to have flexible circuit substrate, and electronic component 5 etc. is installed.
In addition, the one side side (the 1st liquid crystal panel 10 1 sides) of the plate shaped sheet material that the 1st prismatic lens 35 and the 2nd prismatic lens 36 will be made of transparent acryl resin etc. is arranged to prism facets, for example forms periodically concavo-convex (the omitting diagram) of side triangular wave shape.
In addition, the another side 32b of the light guide plate 32 of the 2nd liquid crystal panel 20 1 sides is provided with semi-penetration sheet 33.This semi-penetration sheet 33 for example is made of transparent resin film, will be reflected towards the 1st liquid crystal panel 10 by the part of the light behind light guide plate 32 leaded lights, and remaining light is seen through towards the 2nd liquid crystal panel 20.
Specifically, the edge of the peristome 40a of light absorption part 40 is positioned at the peripheral photomask (lightproof area) 51 of the peripheral part of the 2nd liquid crystal panel 20 as shown in Figure 6.From the edge of this peristome 40a to the length L of the end face 51a of color filter 52 1 sides of peripheral photomask 51, as long as the length of the position deviation of the 2nd liquid crystal panel 20 during more than or equal to assembling liquid crystal indicator 1 and light absorption part 40.Thus, can prevent phenomenon by 40 pairs of effective viewing area A shadings of light absorption part.And then in the present embodiment, this length L is 0.5mm.
Because can interdict the light that penetrates, penetrates beyond the effective coverage A of the 2nd liquid crystal panel 20 from the another side 32b of light guide plate 32 with such light absorption part 40, so can seek the raising of the visibility of the 2nd liquid crystal panel 20.
In addition, light absorption part 40 absorb from the another side 32b of light guide plate 32 penetrate, light beyond the viewing area of the 2nd liquid crystal panel 20, and reflect on the inner and framework 6 etc. at housing 2, from the light of the 2nd liquid crystal panel 20 1 sides towards the 1st liquid crystal panel 10.That is, in the 1st liquid crystal panel 10, the light that penetrates from the zone that disposes the 2nd liquid crystal panel 20 is seen through from peristome 40a, can absorb the light of the zone ejaculation of never disposing the 2nd liquid crystal panel 20.
And then in the present embodiment, light absorption part 40 is resin films, and (PET) makes by the black polyethylene terephthalate.And, though used polyethylene terephthalate (PET) as light absorption part 40, but be not limited to this, can also use the various resin films of making by PEN (PEN), triacetyl cellulose (TAC), polyarylate, polyimide, polyethers, polycarbonate, polysulfones, polyethersulfone, viscose paper, polyamide, tygon, polypropylene, polyvinyl alcohol (PVA) etc.
In addition, between semi-penetration sheet 33 and light absorption part 40, be provided with in proper order and above-mentioned diffusion sheet the 34, the 1st prismatic lens 35 and the same diffusion sheet the 41, the 1st lens 42 and the 2nd lens 43 of the 2nd prismatic lens 36 from semi-penetration sheet 33 1 sides.
Light-blocking member 45 is configured between the light incident side polarization plate 16 and the 2nd prismatic lens 36 of one side 32a one side of light guide plate 32, has to be used to make the light that penetrates from light guide plate 32 to incide the peristome 45a of the 1st liquid crystal panel 10.The size of this peristome 45a is to hide diffusion sheet the 34, the 1st prismatic lens 35 and the outward flange of the 2nd prismatic lens 36 and the size of end face.Thus, the light that penetrates from light guide plate 32, prevent that light from inciding the non-display area of the peripheral part of the 1st liquid crystal panel 10.
Below then illustrate by the above effect that constitutes the liquid crystal indicator 1 of the present embodiment of forming.
At first, the light that penetrates from light source 31 incides light guide plate 32, at light guide plate 32 inner leaded lights.Then, a part reflexes to the 1st liquid crystal panel 10 1 sides by the semi-penetration sheet 33 on the another side 32b that is arranged on light guide plate 32, remaining light transmission to the 2 liquid crystal panels 20 1 sides among the light of light guide plate 32 inner leaded lights.At this moment, in the light of the 1st liquid crystal panel 10, the light that penetrates beyond the viewing area of the 2nd liquid crystal panel and at housing 2 inner and framework 6 etc. reflects and is absorbed by light absorption part 40 from the light that the 2nd liquid crystal panel 20 1 side direction the 1st liquid crystal panel 10.Thus, the zone of the 1st liquid crystal panel of seeing from the 1st liquid crystal panel 10 1 sides 10, never dispose the zone of the 2nd liquid crystal panel 20 and the light intensity of the zone ejaculation of disposing the 2nd liquid crystal panel 20 and become roughly even.
If adopt the liquid crystal indicator 1 of this 1st embodiment, because possess light absorption part 40, so can suppress the inhomogeneous of the display brightness seen from the 1st liquid crystal panel 10 1 sides.Thereby, can on the 1st liquid crystal panel 10, not produce the shadow of the 2nd liquid crystal panel 20.
[electronic equipment]
Below, with Fig. 7 electronic equipment of the present invention is described.Fig. 7 is the skeleton view of mobile phone.Symbol 1000 expression mobile phones in Fig. 7, symbol 1001 expression display units.In the display unit 1001 of this mobile phone 1000, adopt liquid crystal indicator as the electro-optical device of present embodiment.Thereby, can high-grade in the ground display image, can provide mobile phone 1000 slim, light weight.
The present invention is not limited to above-mentioned mobile phone, also can be applicable to e-book, personal computer, digital still camera, LCD TV well, the image-display units of the electronic equipment of video recorder of find a view type or monitor direct viewing type, vehicle navigation apparatus, pager, electronic notebook, computer, word processor, workstation, videophone, POS terminal, touch pad etc., in can the high-grade display image under the situation of any device, provide electronic equipment slim, light weight.
More than, with reference to description of drawings according to the example of preferred forms of the present invention, but much less the present invention is not limited to above-mentioned example.In all shapes of each component parts shown in the above-mentioned example and combination etc. is an example, can carry out various changes according to designing requirement etc. in the scope that does not break away from purport of the present invention.
For example, light absorption part 40 as shown in Figure 2, its formation is when being configured between the 1st liquid crystal panel 10 and the 2nd liquid crystal panel 20, is arranged on the another side 32b of light guide plate 32, but is not limited to this, also can be arranged on the one side 32a of light guide plate 32.
Claims (6)
1. electro-optical device is characterized in that possessing:
The 1st optic panel that comprises a pair of substrate of clamping electro-optical substance;
Comprise a pair of substrate of clamping electro-optical substance, and be configured to above-mentioned the 1st optic panel plane see overlapping, and than the 2nd little optic panel of above-mentioned the 1st optic panel planar dimension;
Have the light source that penetrates light and be configured in above-mentioned the 1st optic panel and above-mentioned the 2nd optic panel between and make the light that penetrates from above-mentioned light source incide the lighting device of the light guide member of above-mentioned the 1st optic panel and above-mentioned the 2nd optic panel respectively;
Be arranged on beyond the viewing area of above-mentioned the 2nd optic panel of above-mentioned the 2nd optic panel one side of above-mentioned light guide member, absorb among the light that penetrates from above-mentioned light guide member beyond the viewing area of above-mentioned the 2nd optic panel light and in the viewing area of above-mentioned the 2nd optic panel with the light of external reflection and have a light absorption part of the peristome of the viewing area that is used to make light incide above-mentioned the 2nd optic panel; And
Be arranged on above-mentioned light guide member above-mentioned the 1st optic panel one side, the light beyond the viewing area of above-mentioned the 1st optic panel among the light that penetrates from above-mentioned light guide member is carried out shading and has the light-blocking member of the peristome of the viewing area that is used to make light incide above-mentioned the 1st optic panel.
2. electro-optical device as claimed in claim 1 is characterized in that: the periphery in liquid crystal layer one side of the above-mentioned a pair of substrate of above-mentioned the 2nd optic panel forms photomask;
The edge of the above-mentioned peristome of above-mentioned light absorption part is positioned at the photomask overlapping areas with the periphery of above-mentioned the 2nd optic panel.
3. electro-optical device as claimed in claim 1 or 2 is characterized in that: be provided with the semi-penetration sheet that a part that makes from the light of above-mentioned light guide member one side reflexes to above-mentioned the 1st optic panel one side and makes above-mentioned the 2nd optic panel of remaining light transmission one side between above-mentioned light guide member and above-mentioned light absorption part.
4. as each described electro-optical device in the claim 1 to 3, it is characterized in that: above-mentioned light absorption part is the resin film of black.
5. as each described electro-optical device in the claim 1 to 4, it is characterized in that: the viewing area of peristome that forms on above-mentioned light absorption part and above-mentioned the 2nd optic panel is a rectangle; Above-mentioned peristome be configured in above-mentioned the 2nd optic panel the viewing area 4 limits around the zone.
6. an electronic equipment is characterized in that: comprise that each described electro-optical device is as display unit in the claim 1 to 5.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005094118 | 2005-03-29 | ||
| JP094118/2005 | 2005-03-29 | ||
| JP348803/2005 | 2005-12-02 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610065976 Division CN1841136A (en) | 2005-03-29 | 2006-03-29 | Electro-optical device and electronic apparatus having the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101231427A true CN101231427A (en) | 2008-07-30 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610065976 Pending CN1841136A (en) | 2005-03-29 | 2006-03-29 | Electro-optical device and electronic apparatus having the same |
| CNA2008100828064A Pending CN101231427A (en) | 2005-03-29 | 2006-03-29 | Electrooptical device and electronic equipment provided with same |
| CNA200810082805XA Pending CN101231426A (en) | 2005-03-29 | 2006-03-29 | Electrooptical device and electronic equipment provided with same |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610065976 Pending CN1841136A (en) | 2005-03-29 | 2006-03-29 | Electro-optical device and electronic apparatus having the same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810082805XA Pending CN101231426A (en) | 2005-03-29 | 2006-03-29 | Electrooptical device and electronic equipment provided with same |
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| Country | Link |
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| CN (3) | CN1841136A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5024793B2 (en) * | 2007-10-19 | 2012-09-12 | Ｎｌｔテクノロジー株式会社 | Display device |
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2006
- 2006-03-29 CN CN 200610065976 patent/CN1841136A/en active Pending
- 2006-03-29 CN CNA2008100828064A patent/CN101231427A/en active Pending
- 2006-03-29 CN CNA200810082805XA patent/CN101231426A/en active Pending
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| Publication number | Publication date |
|---|---|
| CN101231426A (en) | 2008-07-30 |
| CN1841136A (en) | 2006-10-04 |
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Open date: 20080730 |