CN100432782C - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN100432782C CN100432782C CNB2005101063329A CN200510106332A CN100432782C CN 100432782 C CN100432782 C CN 100432782C CN B2005101063329 A CNB2005101063329 A CN B2005101063329A CN 200510106332 A CN200510106332 A CN 200510106332A CN 100432782 C CN100432782 C CN 100432782C
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Images
Abstract
A liquid crystal display device 10 where a first liquid crystal display panel 15 is disposed on one side of a light guiding plate 11 that leads out light severally to both of the front and rear sides of the light guiding plate, a smaller second liquid crystal display panel 30 disposed on the other side of the light guiding plate, and the panels and the light guiding plate are stacked, in which a reinforcing frame 25 comprising a thin plate, which is substantially of the same size as the light guiding plate 11 and has an opening 26 substantially as large as the display surface of the second liquid crystal display panel 30, is laid between the light guiding plate 11 and the second liquid crystal display panel 30, the frame being covered by a cover 40 having an opening 42 corresponding to the display surface of the second liquid crystal display panel 30, such that the reinforcing frame 25 and the cover 40 sandwich and fix the second liquid crystal display panel 30. Consequently, a liquid crystal display device is provided with a slimmer structure while retaining a predetermined mechanical strength and assembly thereof is simplified.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator that can carry out the two sides irradiation by a back light unit.
Background technology
In recent years, mobile phone, PDA or the portable information terminal equipment that can show more information when having telephony feature are being popularized just widely by commercialization.In these machines, mobile phone particularly, on the original telephony feature of carrying out the session talk, also can be connected and show various functions with the Internet, for example also have the functions such as navigation of guiding destination mail, information retrieval or displayed map the time, can also load various software from now on, become breath of life in daily life.
Along with such various software is loaded onto mobile phone, telephone set itself, so-called hardware is also pursued better convenience, lightweight and portability, thereby develops diversified type and by commercialization.
Type as this mobile phone, roughly can divide into tabular type and collapsible type, recently, display panels packed in the table 2 sentence just and just to confirm to write letters the latter's the collapsible types of the other side and demonstration time etc. at folding state and extensively popularized.
Fig. 5 A, Fig. 5 B are the figure that represents clamshell phone in the past, and Fig. 5 A is the stereographic map of seeing from a side at the state of opening telephone set, and Fig. 5 B is the stereographic map of seeing from opposite side.
This clamshell phone 50, shown in Fig. 5 A, Fig. 5 B, usually have following structure: mode connects to open and close freely by hinge mechanism 53 for loam cake 51 and lower cover 52, be provided with the display panels of lighting at two sides type at loam cake 51, be provided with the input keyboard 52b that is used to carry out dial-up operation etc. at the operating surface 52a of lower cover 52.
This lighting at two sides type display panels constitutes by exposing the host liquid crystal display panel 51a of main display surface in the operating surface side and adorning the auxiliary display panels 51b that the face side exposes outside.
According to the mobile phone 50 that has loaded this display panels, even utilizing hinge mechanism 53 folding 51,52 the states that respectively cover, because auxiliary display panels 51b is positioned at the outer dress side of loam cake 51, does not respectively cover 51,52 and just can confirm various information from assisting display surface so do not open.
Fig. 6 is the outboard profile that schematically shows the well-known display panels that is used in this clamshell phone.
This display panels 60 has the auxiliary display panels 62 as the host liquid crystal display panel 61 of main display surface and the auxiliary liquid crystal display face of conduct, host liquid crystal display panel 61 is made of the master 61b backlight of semi-transmission type display panels 61a and this display panels of irradiation 61a, and this master 61b backlight is made of light source 61c and light guide plate 61d.
In addition, auxiliary display panels 62 possesses than small-sized semi-transmission type display panels 62a of host liquid crystal display panel 61 and the 62b auxiliary backlight of this display panels of irradiation 62a, assists 62b backlight to be made of light source 62c and light guide plate 62d.
; because this display panels 60 need be with respect to each the main 61b backlight and the auxiliary 62b backlight of main and auxiliary display panels 61,62; so, consequently, have mobile phone maximization itself and components number and become many tendencies at each main light source 61c, 62c of needing backlight.For addressing this is that, at patent documentation by the agency of can shine the two-side liquid crystal display (for example, with reference to following patent documentation 1) of 2 display panels by 1 group of back light unit.
Fig. 7 is the exploded perspective view of following patent documentation 1 described two-side liquid crystal display.This two-side liquid crystal display is as shown in the drawing, to have inboard display panels 71 be the host liquid crystal display panel, accommodate the promptly auxiliary display panels of framework 72, back light unit 73, outside display panels 76 of this host liquid crystal display panel 71, and wherein back light unit 73 is made of light guide plate 75 and flexible base plate 74.
And the assembling of back light unit 73 is as follows.At first, light guide plate 75 is inserted into the inboard of framework 72, pastes display panels 71 in the bottom surface of this light guide plate 75.In addition, dispose flexible base plate 74 on the top of light guide plate 75, above the flexible base plate 74, outside display panels 76 is fixed on the framework 72 by framework 77 at this.In addition, the single side face at flexible base plate 74 is fixed with light emitting source LED74a.
[patent documentation 1] TOHKEMY 2002-287144 communique (Fig. 4, paragraph [0025]～[0030])
, because above-mentioned well-known display panels 60 needs 2 groups of back light units of main 61b backlight and auxiliary 62b backlight, thus exist components number many, cost height and assembling operation complexity, the problem that also has the thickness of product to thicken.
On this point, at above-mentioned patent documentation 1 described two-side liquid crystal display, because the shared main back light unit of 2 display panels of main auxiliary, so do not need to be provided with other back light unit.
, this two-side liquid crystal display is that the display panels in the interior outside is configured in the table of light guide plate, by the structure of this light guide plate support, so light guide plate must keep certain mechanical strength, therefore just can not make the light guide plate attenuation.Opposite one side is because this light guide plate only is housed in the framework, so be difficult to keep enough physical strengths.And then, for fixing outside display panels, just needing framework, it is many that components number just becomes.Consequently, make the display panels slimming become difficult structure.
In addition, because this two-side liquid crystal display is not taked the noise countermeasure, so when being used in mobile phone etc., have the problem that to take noise countermeasure etc. in the machine side.
Summary of the invention
Therefore, the present invention proposes for the problem that solves above-mentioned conventional art existence, the portable data assistance that the object of the present invention is to provide a kind of liquid crystal indicator and loaded this liquid crystal indicator, its not only kept fixed physical strength but also realize slimming and possess the assembling of making simple lighting at two sides type light guide plate that becomes.
In order to achieve the above object, liquid crystal indicator of the present invention, dispose first display panels in the one side that the light guide plate of light is derived on the two sides in table respectively, dispose than the second little display panels of the above-mentioned first display panels size at another side, and carry out stacked, it is characterized in that, make have and this light guide plate is almost onesize and have and the laminal reinforcement framework of the opening that the display surface of second display panels is onesize between above-mentioned light guide plate and above-mentioned second display panels, and cover with the shell that has with the display surface corresponding opening of second display panels, with above-mentioned reinforcement framework with shell is clamped and fixing above-mentioned second display panels.
In addition, as the present invention's mode preferably, preferably the around openings at above-mentioned reinforcement framework forms a plurality of projections, locatees above-mentioned second display panels by above-mentioned a plurality of projections.
In addition, as the present invention's mode preferably, preferred above-mentioned reinforcement framework forms with metal parts.
In addition, as the present invention's mode preferably, preferably between above-mentioned reinforcement framework and above-mentioned shell, dispose the circuit substrate that semiconductor element of driving above-mentioned display panels etc. has been installed.
In addition, in above-mentioned mode, preferably paste double sided adhesive tape, be pasted with the foregoing circuit substrate in the one side of this double sided adhesive tape on the surface of above-mentioned reinforcement framework.
In addition,, preferably possess the framework of the picture frame shape of the size that can accommodate above-mentioned light guide plate etc., in this framework, embed above-mentioned light guide plate, from the light source and above-mentioned first display panels of an end irradiates light of this light guide plate as the present invention's mode preferably.
According to the present invention, utilize said apparatus obtain below shown in superior effect.Promptly, because by being stacked first display panels of intermediary, light guide plate, second display panels with laminal reinforcement framework, even make first, second display panels and light guide plate attenuation, also can carry out the reinforcement and the supporting of machinery with this reinforcement framework, even so append the reinforcement framework, because of making the thickness attenuation of light guide plate and first, second display panels, also can realize the whole slimming of liquid crystal indicator.
In addition, second display panels is located with the reinforcement framework, and available shell one is fixed, so need can not reduce components number at the needed fixed frame of fixing second display panels of conventional art, it is simple that assembling operation becomes.
And, there is not this shell in the prior art, in addition,,,, but, just can solve this problem by the shell that use makes the display surface of second display panels expose from opening so the moulding of shell is difficult because second display panels is outstanding even think mounting shell.
In addition, circuit substrate is configured between reinforcement framework and the shell, is installed in the distribution of circuit substrate and element etc. and covers with shell, so can be from these parts of protection such as contact of barrier.In addition, by forming reinforcement framework and shell, just can be electrically connected preferably with circuit substrate with metal parts.And then by pasting insulating material at the shell inner face, energy holding circuit substrate etc. are so also can reduce electromagnetic interference (EMI).
In addition, by make the opening of the size that the display surface of second display panels runs through in the circuit substrate setting, and be configured between reinforcement framework and the shell, thereby when can utilize narrow space stationary positioned circuit substrate, also distribution, semiconductor element etc. can be installed in open circumferential portion.
Also have, circuit substrate pastes on the reinforcement framework, just can the stabilizing circuit substrate fixing, can be just mobile because of the vibration circuit substrate of etc.ing, can not produce the fault of the loose contact etc. of the semiconductor element that is loaded in substrate, distribution etc. yet.
In addition,, do not need to fix the parts of first display panels and the assembling of display panels also becomes simultaneously simple, can improve physical strength by embedding the light guide plate and first display panels in the framework of picture frame shape.
Description of drawings
Fig. 1 is the exploded perspective view that has decomposed the liquid crystal indicator of the present invention 1 embodiment.
The assembly of the liquid crystal indicator of Fig. 2 A, Fig. 2 B presentation graphs 1, Fig. 2 A is a planimetric map, Fig. 2 B is the sectional view of the IIB-IIB line tangent line of Fig. 2 A.
Fig. 3 A, Fig. 3 B are the circuit substrates that expression is loaded into liquid crystal indicator of the present invention, and Fig. 3 A is surface three-dimensional figure, and Fig. 3 B is the inside stereographic map.
Fig. 4 A, Fig. 4 B represent to be loaded into the sheet metal framework of liquid crystal indicator of the present invention, and Fig. 4 A is surface three-dimensional figure, and Fig. 4 B is the inside stereographic map.
Fig. 5 A, Fig. 5 B are the figure that represents clamshell phone in the past, and Fig. 5 A is the stereographic map of seeing from a side at the state of opening telephone set, and Fig. 5 B is the stereographic map of seeing from opposite side.
Fig. 6 is the outboard profile that schematically shows the well-known display panels that is used in this clamshell phone.
Fig. 7 is the exploded perspective view of two-side liquid crystal display in the past.
Embodiment
Below, with reference to the embodiment of description of drawings optimum of the present invention.But, below shown in embodiment be to be example to be used for liquid crystal indicator that technological thought of the present invention is specialized, be not in order to limit the invention to this liquid crystal indicator, the embodiment of other that comprise in the Patent right requirement scope can use too.
[embodiment 1]
Fig. 1 is the exploded perspective view that decomposes the liquid crystal indicator of the present invention 1 embodiment, the liquid crystal indicator assembly of Fig. 2 A, Fig. 2 B presentation graphs 1, Fig. 2 A is a planimetric map, Fig. 2 B is the sectional view of the IIB-IIB line tangent line of Fig. 2 A, Fig. 3 A, Fig. 3 B are the circuit substrates that expression is loaded into liquid crystal indicator of the present invention, Fig. 3 A is surface three-dimensional figure, Fig. 3 B is the inside stereographic map, Fig. 4 A, Fig. 4 B represent to be loaded into the sheet metal framework of liquid crystal indicator of the present invention, Fig. 4 A is surface three-dimensional figure, and Fig. 4 B is the inside stereographic map.
The present invention is the liquid crystal indicator with lighting at two sides type light guide plate, and this liquid crystal indicator 10 has: respectively in table the two sides derive light light guide plate 11, be configured in the surperficial 11a side of this light guide plate 11 first display panels 15, be configured in the inside 11b side of light guide plate 11 and second display panels 30 more small-sized than first display panels 15; This liquid crystal indicator 10 has following structure: make to have almost onesize with light guide plate 11 and have with the laminal sheet metal framework 25 of the onesize opening 26 of the display surface of second display panels 30 to contact with the inside 11b of catheter plate 11, stacked first display panels 15, light guide plate 11 and second display panels 30, and, fix in the mode of exposing the surface of second display panels 30 from the opening 42 that is arranged on this lid 40 with lid 40 these duplexers of covering.
Shown in Fig. 1, Fig. 2 A, Fig. 2 B, light guide plate 11 is made of the tabular body of thin-walled, to import to inside from one end 11c from the light that light source 14 sends, surperficial 11a side (first display panels, 15 sides) and the inside 11b side (second display panels, 30 sides) to light guide plate 11 derive, and it forms with transparent material.Transparent material uses for example acrylic resin material.In addition, about the preferred 0.6mm of its thickness, and this light guide plate 11 is embedded in the framework 12 of picture frame shape.
Shown in Fig. 1, Fig. 2 B, the framework 12 width and the frame sheet 12a～12d highly rectangular-shaped by forming, that have regulation that embed the picture frame shape of this light guide plate 11 constitute, and have the size that can accommodate first display panels 15, light guide plate 11, optical thin film 17a, 17b and light source 14
Among these frame sheets 12a～12d, make frame sheet 12c, the 12d on opposed long limit prolong longlyer, frame sheet 12a is set, when on framework 12, embedding light guide plate 11, between frame sheet 12a and light guide plate 11, form gap 12a ' at its front end than light guide plate 11.When the assembling display panels, insert light source 14 at this gap 12a '.
On the framework 12 of this picture frame shape, embed first display panels 15, optical thin film 17a, 17b and light guide plate 11.Like this,, form an assembly, therefore, become simple in the assembling of the display panels of next operation by each parts is embedded in the framework 12.In addition, do not need to fix the parts of first display panels 15 and the assembling of display panels and become simultaneously simple, can improve physical strength.
Use the semi-transmission type display panels at first display panels 15.Shown in Fig. 2 B, this display panels 15 has the structure of enclosing liquid crystal 15c and one applying between first, second substrate 15a, the 15b that is made of 2 opposed glass by encapsulant.In each substrate 15a, 15b, the second substrate 15b uses than the longer substrate of first substrate, so that when fitting each substrate, the end of the second substrate 15b is more outstanding than the end limit of the first substrate 15a.And light source 14 is pasted in the inside of this teat 15b '.In addition, because here the semi-transmission type display panels of Shi Yonging uses known material, the explanation that the Therefore, omited is detailed.
In addition, be equipped with deflecting plate 16a, 16b respectively in the table the inside of first display panels 15.Between this first display panels 15 and light guide plate 11, dispose the optical sheet 17a that constitutes by light diffusing sheet or prismatic lens etc.
End connecting circuit substrate 18 at first display panels 15.This circuit substrate 18 has the last semiconductor element that loads diagram controller, light source (LED) driver and driving liquid crystal of flexible flexible base plate (FPC:Flexible Printed Circuit) etc. at 1, shown in Fig. 3 A, Fig. 3 B, constitute by the connecting portion 20 that has the control basal plate 19 almost onesize, is connected this control basal plate 19 and first display panels 15 with first display panels 15.In addition, this circuit substrate 18 is folding from connecting portion 20 when assembling.
In addition, be provided with and the display surface of second display panels opening 21 of size much at one in the part of the control basal plate 19 of this circuit substrate 18.
By this opening 21 is set, when assembling, the display surface that makes second display panels is through this opening, and can be configured between reinforcement framework and the shell, so when can effectively utilize the location of narrow space permanent circuit substrate, also distribution, semiconductor element etc. can be installed at the periphery of opening.
The surperficial 19b of circuit substrate 18 (with reference to Fig. 3 A) promptly with face that the inside 25b (with reference to Fig. 4 B) of sheet metal framework 25 contacts on, a plurality of earthy contact site 22b are set, these earthy contact site 22b are arranged near the periphery of substrate.
In addition, be equipped with at the inside of circuit substrate 18 19a and around its opening 21, drive the connector 23b etc. that the semiconductor element 23a of liquid crystal and external circuit connect usefulness, a plurality of earthy contact site 22a also are set.These earthy contact site 22a are connected with the earthy contact site 22b of substrate surface, and these earthy contact site 22a, 22b bring formation by the coating or the stickup conductive adhesive of conductive adhesive.
Connect 30 flexible circuit base boards 31 at this second display panels, the other end of this substrate 31 is connected with circuit substrate 18 via connector.
This sheet metal framework 25 is at opening 26 peripheries of the face that promptly contacts with light guide plate 11 of its one side 25a, in case leak-stopping light is the adhesive tape that purpose is pasted with black.
In addition, the face in that the another side 25b of sheet metal framework 25 promptly installs second display panels 30 forms a plurality of projection tab 29as, 29b, the 29c outstanding from the surface on 3 limits of its opening 26 peripheries.These projection tab 29a, 29b, 29c and the outer peripheral face of second display panels 30 contact, and second display panels 30 is positioned.Second display panels 30 and fixing being undertaken that is arranged on the optical sheet (omitting diagram) of these second display panels, 30 the insides by the described shell 40 in these projection tab 29a, 29b, 29c and back.Promptly, second display panels 30 and the optical sheet that is arranged on these second display panels, 30 the insides position these projection tab 29a, 29b, 29c three parts, and cover with shell 40, the periphery of panel 30 is shifted onto the opening 42 that is arranged on shell 40 around fix.According to this method, do not need to fix the framework of the special use of these panel 30 grades, it is simple that assembling operation also becomes.
Shown in Fig. 4 B, at the inside of sheet metal framework 25 25b, form a plurality of earthy contact site 25b ' at its peripheral end, the part beyond this electrode 25b ' and opening 26 is being pasted double sided adhesive tape T.In addition, each earthy contact site 25b ' brings formation by the coating or the stickup conductive adhesive of conductive adhesive.
When the face 25b at sheet metal framework 25 pastes double sided adhesive tape T, in the agent of earthy contact site 25b ' coating electrically conductive cohesive, then when the assembling display panels, circuit substrate 18 pastes the one side of double sided adhesive tape T, pastes the earthy contact site 22b of circuit substrate 18 simultaneously at conductive adhesive.
Therefore, circuit substrate 18 is fixed on the sheet metal framework 25 reliably, connects each earthy contact site 22b, 25b ' in addition reliably.
Like this, by using the sheet metal framework 25 that constitutes by hardware, can keep fixed physical strength, and this sheet metal framework 25 is contacted with light guide plate 11, can support them again when mechanically carrying out reinforcement.Because this sheet metal framework 25 is formed by hardware etc., though thin also can keep fixed physical strength, so, just can realize the whole slimming of liquid crystal indicator 10 if make light guide plate 11, and the thickness attenuation of first, second liquid crystal display face.In addition, by making optical thin film between this framework 25 and light guide plate 11, the pleat of the optical sheet that just can stretch has the function that prevents that pleat from producing.Also have,,, connect by this circuit and can carry out ground connection so can between the described shell 40 of circuit substrate 18 and back, form good electrical connection circuit because sheet metal framework 25 is electric conductors.
In addition, this sheet metal framework 25 is not limited to hardware, and the sheet material that resin material of deciding intensity by possessing etc. constitutes is also passable.
Shown in Fig. 1, Fig. 2 A, Fig. 2 B, shell 40 is behind stacked first display panels 15, light guide plate 11, sheet metal framework 25 and second display panels 30 etc., cover the lid of this duplexer from second display panels, 30 sides, form the shallow end and have the box of short side plate 41a～41d in the outside, have sized opening 42 that the display surface that makes second display panels 30 exposes and a plurality of openings 43 that expose the connector 23b that is arranged on circuit substrate 18 at base plate 41f, form by hardware.Preferred base plate 41f makes the part that contact with the earthy contact site 22a of circuit substrate 18 outstanding to the inside, forms teat (omitting diagram), when assembling, make with earthy contact site 22a between contact good.In addition, hardware is preferably stainless steel component, but is not limited to stainless steel component, and other hardware or resin component element also can.
Below, the assembling of the liquid crystal indicator that possesses lighting at two sides type light guide plate is described.
At first, embed light guide plate 11,, and then first display panels 15 is embedded into framework 12 from the top of this optical sheet 17a at 1 and even many optical sheet 17a of one side 11a mounting of the light guide plate that embeds in the framework 12 of picture frame shape.In addition, at the another side 11b of light guide plate 11 1 and even many optical sheet 17b of mounting too, above this optical sheet 17b, paste anti-dazzling screen (omitting diagram) with opening that the display surface that makes second display panels 30 exposes.
This anti-dazzling screen covers to the light of the periphery of the second small-sized display panels 30 irradiation from light guide plate 11.In addition, embed first display panels 15, optical sheet 17a, 17b and light guide plate 11 by framework 12 at the picture frame shape, these parts are housed in the framework 12, form an assembly, so become simple in the assembling of the display panels of next operation.In addition, do not need to fix the parts of first display panels and the assembling of display panels and become simultaneously simple, physical strength is strengthened.
Then, sheet metal framework 25 is contacted with the inside of the anti-dazzling screen of this assembly, make the hooking sheet 27a of sheet metal framework be coupled to the locking protrusion 12e of framework 12 and fix.
In addition, when sheet metal framework 25 is pasted double sided adhesive tape T in advance,, in addition, between the projection tab 29a～29c of these opening 26 peripheries, sandwich second display panels 30 in the agent of earthy contact site 25b ' coating electrically conductive cohesive.
When circuit substrate 18 pasted the one side of double sided adhesive tape T, the earthy contact site 22b of circuit substrate 18 via conductive adhesive with the earthy contact site 25b ' of sheet metal framework 25 be electrically connected thereafter.
On the assembly of like this assembling, cover with metallic shell 40 from second display panels, 30 sides, the stop hole 41e of shell 40 is snapped on the locking protrusion 12f of framework 12, be assembled into the liquid crystal indicator 10 that possesses lighting at two sides type light guide plate.As mentioned above, by covering assemblies, expose the connector 23b of circuit substrate 18, carry out with being connected of other machines via this connector 23b from the opening that is arranged on shell 40 with shell 40.In addition, the earthy contact site 22a of circuit substrate 18 is electrically connected with the internal face of lid 40.
According to this assembling, earthy contact site 22a, the 22b of circuit substrate 18 is electrically connected with the earthy contact site 25b ' and the metallic shell 40 of sheet metal framework 25, so can suppress the generation of noise.And because first, second display panels 15,30 and circuit substrate 18 usefulness metallic shells 40 cover, whole conductively-closed can reduce electromagnetic influence.
Zu Zhuan liquid crystal indicator is loaded in the mobile phone shown in Figure 5 like this, because liquid crystal indicator of the present invention 10 can be realized slimming by above-mentioned formation, and also can slimming so load the mobile phone of this liquid crystal indicator 10.But the machine that loads this liquid crystal indicator 10 is not limited to mobile phone, for example also can load among PDA etc. at other portable data assistance.
Claims (5)
1. liquid crystal indicator, dispose first display panels in the one side that the light guide plate of light is derived on the two sides in table respectively, at another side configuration second display panels littler than the size of above-mentioned first display panels, and carry out stacked, it is characterized in that, between above-mentioned light guide plate and above-mentioned second display panels, get involved laminal reinforcement framework is arranged, above-mentioned reinforcement framework is formed by metal parts, and the size of this reinforcement framework and this light guide plate is big or small roughly the same, and has opening on the surface of this reinforcement framework with the display surface same size of above-mentioned second display panels, and cover with the shell that has with the display surface corresponding opening of above-mentioned second display panels, with above-mentioned reinforcement framework with shell is clamped and fixing above-mentioned second display panels.
2. liquid crystal indicator as claimed in claim 1 is characterized in that, forms a plurality of projections in the around openings of above-mentioned reinforcement framework, locatees above-mentioned second display panels by above-mentioned a plurality of projections.
3. liquid crystal indicator as claimed in claim 1 or 2 is characterized in that, disposes circuit substrate between above-mentioned reinforcement framework and above-mentioned shell, and this circuit substrate is equipped with the semiconductor element that drives above-mentioned display panels.
4. liquid crystal indicator as claimed in claim 3 is characterized in that, pastes double sided adhesive tape on the surface of above-mentioned reinforcement framework, is pasted with the foregoing circuit substrate in the one side of this double sided adhesive tape.
5. liquid crystal indicator as claimed in claim 1 or 2, it is characterized in that, framework with the picture frame shape that can accommodate above-mentioned light guide plate size, in this framework, embed above-mentioned light guide plate is arranged, from the light source and above-mentioned first display panels of an end irradiates light of above-mentioned light guide plate.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-276930 | 2004-09-24 | ||
| JP2004-276931 | 2004-09-24 | ||
| JP2004276930A JP4759964B2 (en) | 2004-09-24 | 2004-09-24 | Liquid crystal display |
| JP2004276931 | 2004-09-24 | ||
| JP2004276930 | 2004-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1752814A CN1752814A (en) | 2006-03-29 |
| CN100432782C true CN100432782C (en) | 2008-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101063329A Expired - Fee Related CN100432782C (en) | 2004-09-24 | 2005-09-22 | Liquid crystal display device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4759964B2 (en) |
| CN (1) | CN100432782C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100786479B1 (en) | 2006-09-22 | 2007-12-17 | 삼성에스디아이 주식회사 | Flat panel display device and portable display appratus using the same |
| JP5063186B2 (en) * | 2007-05-23 | 2012-10-31 | 京セラ株式会社 | Mobile terminal device |
| WO2011067921A1 (en) * | 2009-12-01 | 2011-06-09 | シャープ株式会社 | Folding portable terminal |
| JPWO2011081158A1 (en) * | 2009-12-29 | 2013-05-13 | シャープ株式会社 | Game equipment |
| TWI574080B (en) | 2016-06-23 | 2017-03-11 | 揚昇照明股份有限公司 | Display device |
| WO2018207738A1 (en) * | 2017-05-12 | 2018-11-15 | シャープ株式会社 | Display device and manufacturing method |
| CN107770315A (en) * | 2017-11-29 | 2018-03-06 | 北京小米移动软件有限公司 | Mobile terminal |
| TWI741524B (en) * | 2020-03-10 | 2021-10-01 | 友達光電股份有限公司 | Display device |
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|---|---|---|---|---|
| CN2386464Y (en) * | 1999-08-20 | 2000-07-05 | 海尔集团公司 | Liquid crystal display panel with back light source |
| JP2004118125A (en) * | 2002-09-27 | 2004-04-15 | Nec Saitama Ltd | Display unit and electronic device provided with the display unit |
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| US6925313B2 (en) * | 2001-02-07 | 2005-08-02 | Hyundai Curitel Inc. | Folder-type mobile communication terminal having double-sided LCD |
| JP3599022B2 (en) * | 2002-01-10 | 2004-12-08 | カシオ計算機株式会社 | Liquid crystal display |
| JP2003317520A (en) * | 2002-04-26 | 2003-11-07 | Sharp Corp | Flat lighting device and liquid crystal display device using same |
| JP4063579B2 (en) * | 2002-04-30 | 2008-03-19 | 三洋電機株式会社 | Mobile communication device |
| JP2004021238A (en) * | 2002-06-20 | 2004-01-22 | Nec Saitama Ltd | Display device and mobile terminal system |
| JP4104401B2 (en) * | 2002-08-30 | 2008-06-18 | 三洋電機株式会社 | Portable electronic devices |
| JP2004193696A (en) * | 2002-12-09 | 2004-07-08 | Sanyo Electric Co Ltd | Portable electronic apparatus |
| JP2004219985A (en) * | 2002-12-26 | 2004-08-05 | Sanyo Electric Co Ltd | Double-sided light emitter |
| JP2004212475A (en) * | 2002-12-27 | 2004-07-29 | Optrex Corp | Liquid crystal display device |
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- 2005-09-22 CN CNB2005101063329A patent/CN100432782C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2386464Y (en) * | 1999-08-20 | 2000-07-05 | 海尔集团公司 | Liquid crystal display panel with back light source |
| JP2004118125A (en) * | 2002-09-27 | 2004-04-15 | Nec Saitama Ltd | Display unit and electronic device provided with the display unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1752814A (en) | 2006-03-29 |
| JP4759964B2 (en) | 2011-08-31 |
| JP2006091435A (en) | 2006-04-06 |
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