CN101995678B - Display device and assembly method thereof - Google Patents
Display device and assembly method thereof Download PDFInfo
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- CN101995678B CN101995678B CN200910171010.0A CN200910171010A CN101995678B CN 101995678 B CN101995678 B CN 101995678B CN 200910171010 A CN200910171010 A CN 200910171010A CN 101995678 B CN101995678 B CN 101995678B
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Abstract
The invention discloses a display device and an assembly method thereof. In the invention, cooling fins between a liquid crystal display and a device body can be prevented from being damaged when the device body is assembled under the precondition of ensuring good heat dissipation. The display device comprises a liquid crystal unit, a front shell, a rear shell, and cooling fins, wherein first sidewall are arranged at the two sides of the front shell; second sidewalls are arranged at the two sides of the rear shell; the cooling fins are arranged at the bottom surface of the liquid crystal unit; and the guide mechanism is composed of a guide part arranged on the first sidewall of the front shell, and a guided part arranged on the second sidewall of the rear shell and slipperily and freely guided by the guide part, and used for guiding the rear shell as follows: in the initial stage of embedding and inserting the rear shell into the front shell, the bottom wall of the rear shell and the cooling fins are arranged oppositely and separated by gaps; in the later stage of embedding and inserting the rear shell into the front shell, the bottom wall of the rear shell is close to the cooling fins; and in the end stage of embedding and inserting the rear shell into the front shell, the bottom wall of the rear shell is closely adhered to the cooling fins.
Description
Technical field
The present invention relates to display device and assemble method thereof, particularly relate to the display device and assemble method thereof that configure heat radiator on liquid crystal cell.
Background technology
In recent years, along with the technological development of high picture quality, liquid crystal indicator, rapidly universal, particularly because liquid crystal indicator is thin and quality is little, is widely used in the display device of portable phone, digital camera, notebook computer, on-vehicle navigation apparatus.Generally transmissive liquid crystal display device is used as liquid crystal indicator, this display device has the flat light source being called backlight and the display panels being configured with driving circuit portion around, the illumination light from this light source is carried out field modulation by display panels and forms image.
In the liquid crystal indicator of LCD MODULE etc., require the high brightness of display panels gradually, therefore, as new type light source, the known light-emitting diode chip for backlight unit (LED chip) widely using pointolite at present.Particularly, for the ease of handling light-emitting diode chip for backlight unit, put it into the container in light-emitting area with opening and utilize, that is, using light-emitting diode (LED) module light-emitting diode chip for backlight unit being put into this container.Using such light-emitting diode (LED) module as backlight light source body use time, such as on a face of strip substrate, form electrode slice and wiring pattern, this electrode slice install multiple light-emitting diode (LED) module with array-like and is formed LED light source body.
Make a face of the end face of light guide plate and substrate via light-emitting diode (LED) module opposed configure, the light produced to make each light-emitting diode (LED) module of LED light source body is from the surface feeding sputtering of light guide plate in light guide plate.
In the heating that this larger problem existed is along with light-emitting diode chip for backlight unit self, the temperature of LED light source body and periphery thereof rises, thus causes luminescence efficiency and the service life reduction of LED chip.In addition, heat LED chip produced also becomes the reason of the wiring pattern breakage of the substrate making LED chip self and be provided with this LED.
Along with the development of digital technology, especially along with very high DV (the Dual View shuangping san) type of irradiation brightness requirement, namely have and can see the popular gradually of the type of different displaying contents function from different directions simultaneously, needing the installation number increasing LED for making backlight high brightness, thus further increasing its thermal value.
Dispel the heat in order to this heat is discharged to housing timely and effectively, disclose in prior art on 3 faces in 4 faces of the length direction of the substrate at the strip installing LED light source body and cover the heat radiator that cross section is U-shaped, the heat that light-emitting diode chip for backlight unit produces is passed to metal shell and basket effectively by light-emitting diode (LED) module and substrate, thus the heat reduced around LED light source body and the heat that accumulates on substrate and the technology (reference patent documentation 1) that effectively suppresses the temperature of light-emitting diode (LED) module and light-emitting diode chip for backlight unit to rise.
In addition, also disclose in the prior art and heat radiator one end is contacted with the inside bottom surface portion of externally mounted part, its other end is contacted with the metal base portion of circuit board, thus the heat produced in LED light source portion is passed to via the metal base portion of circuit board, heat radiator the technology (with reference to patent documentation 2) that externally mounted part carries out dispelling the heat.
[patent documentation 1] Japanese Unexamined Patent Publication 2006-154136 publication
[patent documentation 2] Japanese Unexamined Patent Publication 2007-248820 publication
But, as patent documentation 1, described in 2, all that heat radiator is attached on the substrate of LED light source, and the situation that this heat radiator and housing directly or indirectly contact, especially when heat radiator and liquid crystal display (LCD) and housing all close contact carry out the assembling of product time, under the prerequisite ensureing existing assembling sequence, namely the body back casing pasting heat radiator is inserted the body procapsid having installed liquid crystal display, because the intensity of heat radiator and plasticity more weak, and even extrude owing to probably coming in contact between the top of heat radiator and liquid crystal display when inserting body back casing, thus friction force is larger, even damage so easily make heat radiator produce distortion, the heat that this distortion or damage can cause liquid crystal display to produce can not pass to body in time, thus reduce luminescence efficiency and the life-span of liquid crystal display.
Summary of the invention
Therefore in view of the above problems, the invention provides a kind of when body is assembled, the heat radiator be between liquid crystal display and body can not be damaged, and display device and the assemble method thereof of liquid crystal display good heat radiating can also be ensured after assembling.
Display device of the present invention, has: liquid crystal cells, has backlight light source; Procapsid, has the 1st sidewall, supports above-mentioned liquid crystal cells within it in both sides; Back casing, has the 2nd sidewall in both sides, to be fitted together to insert the 1st sidewall of above-mentioned procapsid and be installed on above-mentioned procapsid by making the 2nd sidewall from rear side; And heat radiator, is configured at the bottom surface of above-mentioned liquid crystal cells, dispels the heat to the heat that above-mentioned light source distributes; When above-mentioned back casing being fitted together to insert above-mentioned procapsid, above-mentioned heat radiator is close on the diapire of above-mentioned back casing; In the display device, also there is guide, this guide be by the guide portion of the 1st sidewall being arranged at above-mentioned procapsid and be arranged at above-mentioned back casing the 2nd sidewall and the directed section that can be guided sliding freely by guide sections form, above-mentioned guide guides as follows to above-mentioned back casing: being fitted together to the initial stage inserting above-mentioned procapsid making above-mentioned back casing, making the diapire of above-mentioned back casing and above-mentioned heat radiator spaced opposite gap; To be fitted together to the later stage inserting above-mentioned procapsid making above-mentioned back casing, to make the diapire of above-mentioned back casing close to above-mentioned heat radiator; Terminate above-mentioned back casing being fitted together to above-mentioned procapsid the stage of inserting, the diapire of above-mentioned back casing is close on above-mentioned heat radiator.
And in display device of the present invention, guide sections is any one party of guiding groove or guiding jut, above-mentioned directed section is any the opposing party of the guiding groove chimeric sliding freely with guide sections or guiding jut.
And, in display device of the present invention, above-mentioned guiding groove has: the 1st guiding groove, the initial stage inserting above-mentioned procapsid is fitted together to making above-mentioned back casing, under the state making the diapire of above-mentioned back casing and above-mentioned heat radiator spaced opposite gap, guide above-mentioned back casing in the horizontal direction; And the 2nd guiding groove, is formed continuously with above-mentioned 1st guiding groove, be fitted together to the later stage inserting above-mentioned procapsid making above-mentioned back casing, above-mentioned back casing is guided to making the diapire of above-mentioned back casing and the close top of above-mentioned heat radiator.
And in display device of the present invention, above-mentioned 2nd guiding groove extends on the direction orthogonal with above-mentioned 1st guiding groove.
And in display device of the present invention, above-mentioned 2nd guiding groove is in the oblique extension intersected with above-mentioned 1st guiding groove.
And in display device of the present invention, the end of above-mentioned 2nd guiding groove is provided with limiting unit, and this limiting unit extends in the horizontal direction, limits above-mentioned guiding jut and vertically moves.
And, in display device of the present invention, there is the elastomeric element exerted a force upward to above-mentioned back casing.
In addition, in display device of the present invention, to be fitted together to above-mentioned procapsid at above-mentioned back casing after having inserted, above-mentioned back casing and above-mentioned liquid crystal cells are fixed by screw.
The assemble method of display device of the present invention, this display device has: liquid crystal cells, has backlight light source; Procapsid, has the 1st sidewall, supports above-mentioned liquid crystal cells within it in both sides; Back casing, has the 2nd sidewall in both sides, to be fitted together to insert the 1st sidewall of above-mentioned procapsid and be installed on above-mentioned procapsid by making the 2nd sidewall from rear side; Heat radiator, is configured at the bottom surface of above-mentioned liquid crystal cells, dispels the heat to the heat that above-mentioned light source distributes; And, guide, by be arranged at above-mentioned procapsid the 1st sidewall guide portion and be arranged at above-mentioned back casing the 2nd sidewall and the directed section that can be guided sliding freely by guide sections form; The assemble method of this display device comprises: being fitted together to the initial stage inserting above-mentioned procapsid making above-mentioned back casing, making the step in the diapire of above-mentioned back casing and above-mentioned heat radiator spaced opposite gap; To be fitted together to the later stage inserting above-mentioned procapsid making above-mentioned back casing, to make the diapire of above-mentioned back casing close to the step of above-mentioned heat radiator; And, terminate above-mentioned back casing being fitted together to above-mentioned procapsid the stage of inserting, make the diapire of above-mentioned back casing be close to step on above-mentioned heat radiator.
Invention effect
In the assembling process of display device, by making back casing be fitted together to insert the initial stage of procapsid, make diapire and the heat radiator spaced opposite gap of back casing, the later stage inserting procapsid is fitted together to making back casing, make the diapire of back casing close to heat radiator, the stage of inserting is fitted together to procapsid at end back casing, the diapire of back casing is made to be close on a heat sink, large friction can not be produced between the diapire of back casing and heat radiator, therefore heat radiator can not be damaged, thus ensure that the heat that liquid crystal cells produces can be delivered to the housing of display device in time by heat radiator and distribute.
In addition, by arranging limiting unit at the end of the 2nd guiding groove, restriction guiding jut is in the movement of above-below direction, after front and rear housings has been assembled, with screw carry out fastening before, can prevent from being in being separated of the heat radiator of being close to state and back casing, thus carry out screw fastening under state back casing can being close at heat radiator, while back casing is not come off from procapsid, ensure that the heat that liquid crystal cells produces can be delivered to the housing of display device in time by heat radiator and distribute further better.
In addition, by arranging the elastomeric element exerted a force upward to back casing, the power compressing heat radiator can be applied to back casing, thus heat radiator can be made after finishing assembly to be close on back casing, ensure that the heat that liquid crystal cells produces can be delivered to the housing of display device in time by heat radiator and distribute further better.
Accompanying drawing explanation
Fig. 1 is the structural representation of display device 1 of the present invention.
Fig. 2 (a) is the schematic diagram of the procapsid 2 representing display device 1 of the present invention, and Fig. 2 (b) is the enlarged drawing of part A in Fig. 2 (a).
Fig. 3 (a) is the schematic diagram of the back casing 3 representing display device 1 of the present invention, and Fig. 3 (b) is the enlarged drawing of part B in Fig. 3 (a).
Fig. 4 (a) represents the schematic diagram making back casing 3 chimeric with procapsid 2 to insert the initial stage of procapsid 2, Fig. 4 (b) represents the schematic diagram making back casing 3 chimeric with procapsid 2 to insert the later stage of procapsid 2, and Fig. 4 (c) represents to terminate back casing 3 is fitted together to schematic diagram from the stage of inserting to procapsid 2.
Fig. 5 is the figure of other structures of the guiding groove representing display device 1 of the present invention.
Description of symbols
1, display device; 2, procapsid; 3, back casing; 4, liquid crystal cells; 5, heat radiator; 6, screw; 21, the 21 ', the 1st sidewall; 22, guiding groove; 22a, the 1st guiding groove; 22b, the 2nd guiding groove; 23, leaf spring; 24, procapsid diapire; 25, procapsid roof; 26, procapsid antetheca; 31, the 31 ', the 2nd sidewall; 32, guiding jut; 33, back casing diapire; 34, back casing rear wall; D, d ', interval; 52,52 ', guiding groove; 52a, 52 ' a, the 1st guiding groove; 52b, 52 ' b, the 2nd guiding groove; 52c, limiting unit.
Embodiment
Describe embodiments of the present invention in detail with reference to the accompanying drawings below.
Fig. 1 is the structural representation of display device 1 of the present invention.
In FIG, display device 1 comprises procapsid 2, back casing 3, liquid crystal cells 4, heat radiator 5 and screw 6.
Display device 1 of the present invention can be the device that portable phone, digital camera, notebook computer, LCD TV, on-vehicle navigation apparatus etc. possess liquid crystal display.
In the drawings, be by the structure of procapsid 2 holding back casing 3, but also can be the structure of back casing 3 holding procapsid 2, as long as the structure be clamped in by heat radiator 5 between housing (procapsid 2 or back casing 3) and liquid crystal cells 4 is just passable.
Liquid crystal cells 4 comprises display panels and backlight.Backlight comprises light source body and light guide plate etc., light guide plate is made up of transparent resin, be configured in the opposed locations corresponding with the viewing area of display panels, light source body generally uses the compact fluorescent tube being referred to as CCFL (cold-cathode tube) or the light-emitting diode chip for backlight unit (LED chip) being used as pointolite, light source body is configured to the surface feeding sputtering of light from light guide plate, in the liquid crystal cells 4 of present embodiment, light source body is configured in the lower end of this liquid crystal cells 4.Heat radiator 5 is sticked on the bottom surface of liquid crystal cells 4 by cementing agent, but also can stick on back casing 3, and this heat radiator 5 uses softness and has the material of thermal conductivity, can use silicon rubber heat radiator etc.
After back casing 3 is inserted procapsid 2, be fixed by screw 6 pairs of back casings 3 and liquid crystal cells 4, complete assembling.For the ease of clearly representing, in FIG, liquid crystal cells 4 and heat radiator 5, between heat radiator 5 and back casing 3, there is gap, but in practical situations both, having assembled rear liquid crystal cells 4 and heat radiator 5, be close between heat radiator 5 and back casing 3, is there is not gap.
Fig. 2 (a) is the schematic diagram of the procapsid 2 representing display device 1 of the present invention, and Fig. 2 (b) is the enlarged drawing of part A in Fig. 2 (a).Fig. 3 (a) is the schematic diagram of the back casing 3 representing display device 1 of the present invention, and Fig. 3 (b) is the enlarged drawing of part B in Fig. 3 (a).
As shown in Fig. 2 (a), procapsid 2 by be in relative position the 1st sidewall 21,21 ', be in the procapsid diapire 24 of relative position, procapsid roof 25 and with the 1st sidewall 21,21 ', the procapsid antetheca 26 that is connected of procapsid diapire 24, procapsid roof 25 forms, the procapsid diapire 24 of procapsid 2 arranges elastomeric element leaf spring 23 (with reference to figure 2 (b)), and this leaf spring 23 for exerting a force upward to back casing 3 in the insertion process of back casing 3 to procapsid 2.In addition, this leaf spring 23 separates certain intervals and arranges multiple on procapsid diapire 24, and the concrete effect about leaf spring 23 will be described in detail later.
Relative with procapsid 2, as shown in Fig. 3 (a), back casing 3 by be in relative position the 2nd sidewall 31,31 ', be in housing bottom back casing diapire 33 and with the 2nd sidewall 31,31 ', the back casing rear wall 34 that is connected of back casing diapire 33 forms.
Liquid crystal cells 4 is clipped between this procapsid 2 and back casing 3, is fixedly supported on the inner side of procapsid 2.Heat radiator 5 sticks to the bottom surface of liquid crystal cells 4, also can stick on the back casing diapire 33 of the back casing 3 relative with the bottom surface of this liquid crystal cells 4, thus after the assembling completing display device 1, namely back casing 3 with the state of procapsid 2 tabling under insert procapsid 2 after, this heat radiator 5 is close on the back casing diapire 33 of back casing 3, the heat that can come out the light source body of liquid crystal cells 4 carries out heat conduction, this heat is passed to back casing 3 and distributes in time.
As shown in Fig. 2 (b), guiding groove 22 is positioned at the inside surface side of the 1st sidewall 21, at this, although only amplify the guiding groove illustrating and the 1st sidewall 21 is formed, but on the correspondence position of the 1st relative sidewall 21 ', be formed with another same guiding groove too, in order to ensure the 1st sidewall 21, the intensity of 21 ', wish that the degree of depth of this guiding groove is below the half of sidewall thickness of slab, this guiding groove 22 is by the 1st guiding groove 22a extended in the horizontal direction, and be connected smoothly with the 1st guiding groove 22a, the 2nd guiding groove 22b along inclined direction upwards extended is formed.In addition, leaf spring 23 be arranged to one termination nearby shell bottom wall 24 forward position and can move freely along procapsid diapire 24, its other end to be connected on procapsid antetheca 26 and fixing, but also can be in contrast, leaf spring 23 is arranged to the one termination nearby forward position of shell bottom wall 24 fixing, its other end is close to procapsid antetheca 26 and can move freely along procapsid diapire 24.
As shown in Fig. 3 (b), guiding jut 32 is formed in the outside surface side of the 2nd sidewall 31 of back casing 3, at this, although only amplify the guiding jut 32 illustrating and the 2nd sidewall 31 is formed, but on the correspondence position of the 2nd relative sidewall 31 ', be formed with another same guiding jut 32 ' too, this guiding jut 32, 32 ' is that back casing 3 is being inserted the columnar protrusions that can be embedded in guiding groove 22 process of procapsid 2 sliding freely from rear side, the cross section of this columnar protrusions is circular in the present embodiment, can certainly be other shapes, such as ellipse etc.Thus via this guiding jut 32,32 ', back casing 3 can be guided by directed groove 22 sliding freely.
Fig. 4 represents that the back casing 3 of display device 1 of the present invention inserts the insertion process schematic diagram of procapsid 2.
Fig. 4 (a) represents the initial stage schematic diagram making back casing 3 chimeric with procapsid 2 to insert procapsid 2, namely, makes back casing 3 (the guiding jut be arranged on back casing 3 is embedded into the state in the guiding groove be arranged on procapsid 2) under being in chimerism with procapsid 2 just insert the schematic diagram in the stage of procapsid 2.Now guiding with jut 32 relative to the position of guiding groove 22 and back casing diapire 33 relative to liquid crystal cells 4 position as shown in the figure.In the figure of left side one, in the initial stage that this inserts, guiding jut 32 is arranged in the 1st guiding groove 22a, and slide along this guiding groove to the depth direction of procapsid 2, in the figure of right side one, back casing diapire 33 moves to the depth direction of procapsid 2, and the lower surface of back casing diapire 33 is connected to leaf spring 23 and makes it that elastic deformation (compression) occur, and leaf spring 23 pairs of back casing diapires 33 apply thrust upwards thus.Now, back casing diapire 33 and the heat radiator 5 of back casing 3 are in relative status, and its spaced apart certain intervals d.
Fig. 4 (b) represents the later stage schematic diagram making back casing 3 chimeric with procapsid 2 to insert procapsid 2, namely, makes back casing 3 at the schematic diagram with procapsid 2 be in back casing 3 under chimerism stage of movement obliquely upward.Now guiding with jut 32 relative to the position of guiding groove 22 and back casing diapire 33 relative to liquid crystal cells 4 position as shown in the figure.In the figure of left side one, at the later stage that this inserts, guiding jut 32 is arranged in the 2nd guiding groove 22b, while back casing 3 is slided along this guiding groove to the depth direction of procapsid 2, back casing 3 is moved up, in the figure of right side one, be fitted together at back casing 3 and insert the later stage of procapsid 2, because back casing diapire 33 constantly moves up, the distance of the procapsid diapire 24 of itself and procapsid 2 increases, the elastic deformation of leaf spring 23 diminishes gradually, also reduces gradually the thrust upwards that back casing diapire 33 applies.Now, the back casing diapire 33 of back casing 3 and the interval d ' of heat radiator 5 reduce gradually relative to d, and namely back casing diapire 33 is at close heat radiator 5.
Fig. 4 (c) represents to terminate back casing 3 is fitted together to schematic diagram from the stage of insertion to procapsid 2, namely, makes back casing 3 under being in chimerism with procapsid 2, terminate the schematic diagram of back casing 3 to the stage of the insertion of procapsid 2.Now guiding with jut 32 relative to the position of guiding groove 22 and back casing diapire 33 relative to liquid crystal cells 4 position as shown in the figure.In the figure of left side one, this terminate back casing 3 being fitted together to procapsid 2 stage of inserting, guiding jut 32 is positioned at the most inboard one end of guiding groove 22, guiding jut 32 is positioned at the top of the 2nd guiding groove 22b, back casing 3 stops the slip relative to procapsid 2, in the figure of right side one, terminate back casing 3 to procapsid 2 be fitted together to and the stage of inserting time, leaf spring 23 still remains with little elastic deformation, upwards push back casing diapire 33, back casing diapire 33 is close on heat radiator 5.Therefore, can apply to the back casing diapire 33 of back casing 3 power compressing heat radiator 5 by this leaf spring 23, thus can terminate back casing 3 being fitted together to procapsid 2 insert after make heat radiator 5 be close on the back casing diapire 33 of back casing 3, ensure that the heat that liquid crystal cells 4 produces can be delivered to the housing of display device 1 in time by heat radiator 5 and distribute further better.
Then, be fixed by screw 6 pairs of back casings 3 and liquid crystal cells 4, back casing 3 can not be come off from procapsid 2, complete assembling.
In the above-described embodiment, guiding jut 32,32 is formed on the 2nd sidewall 31,31 ' of back casing 3, guiding groove 22,22 is formed on the 1st sidewall 21,21 ' of procapsid 2, but also can be the structure forming guiding groove on the sidewall of back casing, form guiding jut on the sidewall of procapsid, as long as the structure that procapsid, back casing can be fitted together to sliding freely.
In addition, in above-mentioned embodiment, elastomeric element of the present invention is made up of leaf spring, this rubber bodies to replace above-mentioned leaf spring 23 as elastomeric element of the present invention, is arranged to its upper surface and is tilted with increasing gradually at the depth direction of the procapsid diapire 24 of procapsid 2 by the rubber bodies that also can arrange wedge-type shape in the position of the leaf spring 23 such as shown in Fig. 2 (b).Being fitted together at back casing 3 inserts in the process of procapsid 2, the bottom surface of the back casing diapire 33 of back casing 3 is made to be connected on the dip plane of this wedge-shaped rubber body, make this rubber bodies generation elastic deformation thus the back casing diapire 33 of back casing 3 produced to the power pointing to the heat radiator 5 be attached on liquid crystal cells 4, thus after terminating this chimeric process inserted, the back casing diapire 33 of back casing 3 is close on heat radiator 5.
In addition, also can the elastomeric element be made up of disc spring and plate body be set in the position of the leaf spring 23 such as shown in Fig. 2 (b) and replaces above-mentioned leaf spring 23, this elastomeric element is arranged to one end that disc spring is positioned at the procapsid antetheca 26 of the close procapsid 2 of this plate body, thus this plate body is tilted gradually at the depth direction of the procapsid diapire 24 of procapsid 2 with increasing.Being fitted together at back casing 3 inserts in the process of procapsid 2, the bottom surface of the back casing diapire 33 of back casing 3 is made to be connected on this plate body, make this disc spring generation elastic deformation thus via above-mentioned plate body, the back casing diapire 33 of back casing 3 produced to the power pointing to the heat radiator 5 be attached on liquid crystal cells 4, thus after terminating this chimeric process inserted, the back casing diapire 33 of back casing 3 is close on heat radiator 5.
As mentioned above, leaf spring 23, wedge-shaped rubber body, the elastomeric element be made up of disc spring and plate body be all for terminate back casing 3 being fitted together to procapsid 2 after the process inserted, the back casing diapire 33 of back casing 3 is made to be close to parts on heat radiator 5, but these parts are also not limited to above-mentioned leaf spring 23 etc., as long as can terminate back casing 3 being fitted together to procapsid 2 after the process inserted, the parts that the back casing diapire 33 of back casing 3 is close on heat radiator 5 are just passable.
Fig. 5 is the figure of other structures of the guiding groove representing display device 1 of the present invention.
In Fig. 5 (a), guiding groove 52 by the 1st guiding groove 52a extended in the horizontal direction, be connected smoothly with the 1st guiding groove 52a, the 2nd guiding groove 52b that along inclined direction extends and be connected smoothly with the 2nd guiding groove 52b, be arranged at the 2nd guiding groove 52b end and the limiting unit 52c extended in the horizontal direction is formed.The length of this limiting unit 52c is roughly equivalent to the diameter of cylindrical protrusion, when this projection is slided along the 2nd guiding groove 52b and is finally engaged in this limiting unit 52c, this limiting unit 52c limits guiding jut and vertically moves, make heat radiator 5 and back casing 3 be close to simultaneously, being separated of heat radiator 5 and back casing 3 can be prevented.
In Fig. 5 (b), guiding groove 52 ' by the 1st guiding groove 52 ' a extended in the horizontal direction and with the 1st guiding groove 52 ' a by circular sliding slopes and the 2nd guiding groove 52 ' b extended on the direction orthogonal with the 1st guiding groove 52 ' a form.Although do not illustrate in the drawings, but also can as in Fig. 5 (a), the end of the 2nd guiding groove 52 ' b be arranged through circular sliding slopes, the limiting unit that extends in the horizontal direction, for limit procapsid chimeric with back casing after guiding jut vertically move.
In sum, the present invention by arranging guiding groove and guiding jut respectively on the procapsid 2 and back casing 3 of display device 1, can avoid damaging due to excessive friction the heat radiator 5 between diapire and liquid crystal cells 4 being in back casing 3 in the assembling process of display device 1, can also ensure that heat radiator 5 and back casing 3 are in the state closely attached simultaneously after assembling, thus ensure that the heat that liquid crystal cells 4 produces can be delivered to the housing of display device 1 in time by heat radiator 5 and distribute.
In addition, in the above-described embodiment, for making to be close between heat radiator and back casing, record three methods limiting unit being set on guiding groove, back casing arranging the elastomeric elements such as leaf spring and uses screw to be fixed back casing etc., but in concrete enforcement, as long as use at least one in above-mentioned three methods just passable.
Above; with reference to the accompanying drawings embodiments of the present invention are described in detail; but the present invention is not limited to above-mentioned embodiment; various design alteration can be carried out without departing from the spirit and scope of the invention; and based on the various improvement done by spirit of the present invention, all in protection scope of the present invention.
Claims (7)
1. a display device, has: liquid crystal cells, has backlight light source; Procapsid, has the 1st sidewall, supports above-mentioned liquid crystal cells within it in both sides; Back casing, has the 2nd sidewall in both sides, to be fitted together to insert the 1st sidewall of above-mentioned procapsid and be installed on above-mentioned procapsid by making the 2nd sidewall from rear side; And heat radiator, is configured at the bottom surface of above-mentioned liquid crystal cells, dispels the heat to the heat that above-mentioned light source distributes; When above-mentioned back casing being fitted together to insert above-mentioned procapsid, above-mentioned heat radiator is close on the diapire of above-mentioned back casing; The feature of this display device is,
Also there is guide, this guide be by the guide portion of the 1st sidewall being arranged at above-mentioned procapsid and be arranged at above-mentioned back casing the 2nd sidewall and the directed section that can be guided sliding freely by guide sections form, above-mentioned guide guides as follows to above-mentioned back casing: being fitted together to the initial stage inserting above-mentioned procapsid making above-mentioned back casing, making the diapire of above-mentioned back casing and above-mentioned heat radiator spaced opposite gap; Being fitted together to the later stage inserting above-mentioned procapsid making above-mentioned back casing, while above-mentioned back casing is slided to the depth direction of above-mentioned procapsid along guide sections, above-mentioned back casing being moved up, making the diapire of above-mentioned back casing close to above-mentioned heat radiator; Terminate above-mentioned back casing being fitted together to above-mentioned procapsid the stage of inserting, make the diapire of above-mentioned back casing be close on above-mentioned heat radiator,
Guide sections is any one party of guiding groove or guiding jut, and above-mentioned directed section is any the opposing party of the guiding groove chimeric sliding freely with guide sections or guiding jut,
Above-mentioned guiding groove has: the 1st guiding groove, being fitted together to the initial stage inserting above-mentioned procapsid, under the state making the diapire of above-mentioned back casing and above-mentioned heat radiator spaced opposite gap, guiding above-mentioned back casing in the horizontal direction making above-mentioned back casing; And the 2nd guiding groove, is formed continuously with above-mentioned 1st guiding groove, be fitted together to the later stage inserting above-mentioned procapsid making above-mentioned back casing, above-mentioned back casing is guided to making the diapire of above-mentioned back casing and the close top of above-mentioned heat radiator.
2. display device as claimed in claim 1, is characterized in that,
Above-mentioned 2nd guiding groove extends on the direction orthogonal with above-mentioned 1st guiding groove.
3. display device as claimed in claim 1, is characterized in that,
Above-mentioned 2nd guiding groove is in the oblique extension intersected with above-mentioned 1st guiding groove.
4. display device as claimed in claim 2 or claim 3, is characterized in that,
The end of above-mentioned 2nd guiding groove is provided with limiting unit, and this limiting unit extends in the horizontal direction, limits above-mentioned guiding jut and vertically moves.
5. display device as claimed in claim 1, is characterized in that,
There is the elastomeric element exerted a force upward to above-mentioned back casing.
6. display device as claimed in claim 1, is characterized in that,
To be fitted together to above-mentioned procapsid at above-mentioned back casing after having inserted, above-mentioned back casing and above-mentioned liquid crystal cells are fixed by screw.
7. an assemble method for display device, this display device has: liquid crystal cells, has backlight light source; Procapsid, has the 1st sidewall, supports above-mentioned liquid crystal cells within it in both sides; Back casing, has the 2nd sidewall in both sides, to be fitted together to insert the 1st sidewall of above-mentioned procapsid and be installed on above-mentioned procapsid by making the 2nd sidewall from rear side; Heat radiator, is configured at the bottom surface of above-mentioned liquid crystal cells, dispels the heat to the heat that above-mentioned light source distributes; And, guide, by be arranged at above-mentioned procapsid the 1st sidewall guide portion and be arranged at above-mentioned back casing the 2nd sidewall and the directed section that can be guided sliding freely by guide sections form; The feature of the assemble method of this display device is, comprising:
Being fitted together to the initial stage inserting above-mentioned procapsid making above-mentioned back casing, making the step in the diapire of above-mentioned back casing and above-mentioned heat radiator spaced opposite gap;
The later stage inserting above-mentioned procapsid is fitted together to making above-mentioned back casing, while above-mentioned back casing is slided along guide sections to the depth direction of above-mentioned procapsid, above-mentioned back casing is moved up, makes the diapire of above-mentioned back casing close to the step of above-mentioned heat radiator; And,
Terminate above-mentioned back casing being fitted together to above-mentioned procapsid the stage of inserting, make the diapire of above-mentioned back casing be close to step on above-mentioned heat radiator,
Guide sections is any one party of guiding groove or guiding jut, and above-mentioned directed section is any the opposing party of the guiding groove chimeric sliding freely with guide sections or guiding jut,
Above-mentioned guiding groove has: the 1st guiding groove, being fitted together to the initial stage inserting above-mentioned procapsid, under the state making the diapire of above-mentioned back casing and above-mentioned heat radiator spaced opposite gap, guiding above-mentioned back casing in the horizontal direction making above-mentioned back casing; And the 2nd guiding groove, is formed continuously with above-mentioned 1st guiding groove, be fitted together to the later stage inserting above-mentioned procapsid making above-mentioned back casing, above-mentioned back casing is guided to making the diapire of above-mentioned back casing and the close top of above-mentioned heat radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910171010.0A CN101995678B (en) | 2009-08-28 | 2009-08-28 | Display device and assembly method thereof |
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| CN200910171010.0A CN101995678B (en) | 2009-08-28 | 2009-08-28 | Display device and assembly method thereof |
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| CN101995678A CN101995678A (en) | 2011-03-30 |
| CN101995678B true CN101995678B (en) | 2015-01-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9483071B2 (en) * | 2013-12-17 | 2016-11-01 | Compal Electronics, Inc. | Display device and method for assembling the same |
| JP6458776B2 (en) * | 2016-06-24 | 2019-01-30 | 株式会社デンソー | Vehicle display device |
| JP6631581B2 (en) * | 2017-04-17 | 2020-01-15 | 株式会社デンソー | Electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588208A (en) * | 2004-08-25 | 2005-03-02 | 友达光电股份有限公司 | Liquid crystal display and its back light module |
| CN101114072A (en) * | 2006-07-27 | 2008-01-30 | 中强光电股份有限公司 | Sliding combined screen housing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001297510A (en) * | 2000-04-12 | 2001-10-26 | Alpine Electronics Inc | Supporting device of moving part |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588208A (en) * | 2004-08-25 | 2005-03-02 | 友达光电股份有限公司 | Liquid crystal display and its back light module |
| CN101114072A (en) * | 2006-07-27 | 2008-01-30 | 中强光电股份有限公司 | Sliding combined screen housing |
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| Title |
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| JP特开2001-297510A 2001.10.26 * |
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