CN103453386A - Backlight module and liquid crystal display device - Google Patents

Backlight module and liquid crystal display device Download PDF

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Publication number
CN103453386A
CN103453386A CN 201210176213 CN201210176213A CN103453386A CN 103453386 A CN103453386 A CN 103453386A CN 201210176213 CN201210176213 CN 201210176213 CN 201210176213 A CN201210176213 A CN 201210176213A CN 103453386 A CN103453386 A CN 103453386A
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CN
China
Prior art keywords
light
face
lgp
backlight module
strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201210176213
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Chinese (zh)
Inventor
王智勇
黄星童
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Xincheng Photoelectric (shenzhen) Co Ltd
XINCHENG TECHNOLOGY (CHENGDU) Co Ltd
Original Assignee
Shenzhen Xincheng Photoelectric (shenzhen) Co Ltd
XINCHENG TECHNOLOGY (CHENGDU) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Xincheng Photoelectric (shenzhen) Co Ltd, XINCHENG TECHNOLOGY (CHENGDU) Co Ltd filed Critical Shenzhen Xincheng Photoelectric (shenzhen) Co Ltd
Priority to CN 201210176213 priority Critical patent/CN103453386A/en
Publication of CN103453386A publication Critical patent/CN103453386A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a backlight module and a liquid crystal display device. The backlight module comprises a light source, a light guide plate and a light guide bar, the light guide plate comprises a top surface, a bottom surface and a first light entering surface, the bottom surface is opposite to the top surface, the first light entering surface is positioned on one side of the light guide plate and respectively connected with the top surface and the bottom surface, the top surface comprises a light exiting area and a light entering area, the light source is arranged on one side of the first light entering surface and provided with a light emitting surface, the light entering area is connected with the first light entering surface, the light guide bar and the light guide plate are stacked, the light guide bar corresponds to the light entering area, the sum of the lengths of the light guide bar and the light guide plate along the stacking direction is not smaller than the height of the light emitting surface of the light source along the stacking direction of the light guide bar and the light guide plate, one part of light generated by the light source enters the light guide plate through the first light entering surface, the other part of the light passes the light guide bar and enters the light guide plate through the light entering area on the top surface of the light guide plate, and the light entering the light guide plate exits through the light exiting area. The backlight module is high in light utilization rate.

Description

Backlight module and liquid crystal indicator
Technical field
The present invention relates to a kind of backlight module and liquid crystal indicator.
Background technology
In recent years, liquid crystal indicator is because volume is frivolous, and the advantage such as radiation is little, replace traditional CRT display gradually, becomes the demonstration product of main flow.Liquid crystal indicator generally includes an area source, as backlight module, for liquid crystal panel provides brightness planar light adequately and uniformly.
Existing backlight module generally includes LGP and spot light, and this LGP comprises end face, the bottom surface be oppositely arranged with end face with bright dipping zone and a plurality of sides that are connected this end face and this bottom surface, and wherein a side is as the incidence surface of LGP.This spot light is arranged at incidence surface one side of this LGP.The light sent by this spot light enters this LGP via this incidence surface, after the propagation of this LGP, by the bright dipping zone of end face, penetrates this backlight module.
Yet, in order to pursue light and handyization of backlight module, occupy the LGP of the main weight of backlight module by slimming, the weight of the backlight module of application slimming LGP is lighter, and do not catch up with the slimming speed of LGP as the slimming speed of the light emitting diode of spot light, cause the height of the exiting surface height of light emitting diode higher than the LGP incidence surface, it is the distance between LGP end face and bottom surface, thereby cause the part of light that light emitting diode sends can't enter LGP, the utilization rate of light is not high.
Summary of the invention
For the light source that solves the prior art backlight module and slim LGP can't mate the low problem of light utilization efficiency caused, be necessary to provide a kind of backlight module that can improve light utilization efficiency.
Separately, also be necessary to provide a kind of liquid crystal indicator that uses above-mentioned backlight module.
A kind of backlight module, it comprises light source and LGP, this LGP comprises end face, the bottom surface be oppositely arranged with this end face and the first incidence surface that is positioned at LGP one side and is connected with bottom surface with end face respectively, this end face comprises the bright dipping zone, this light source is arranged at this first incidence surface one side, this light source has light-emitting area, this end face also comprises the light inlet zone, this light inlet zone is connected with the first incidence surface, this backlight module also comprises light-strip, this light-strip and the stacked setting of this LGP, and this light-strip is to arranging in the light incidence section territory, the length sum that this light-strip and this LGP make progress along stacked setting party is not less than this light source luminescent face along the height on light-strip and this LGP stacked direction, the light part that this light source produces enters LGP via this first incidence surface, another part is by after this light-strip, enter LGP by the light inlet zone on the LGP end face, the light entered in LGP is penetrated by this bright dipping zone.
A kind of liquid crystal indicator, it comprises a liquid crystal panel and adjacent this liquid crystal panel and provides the backlight module of light source for this liquid crystal panel.This backlight module comprises light source and LGP, this LGP comprises end face, the bottom surface be oppositely arranged with this end face and the first incidence surface that is positioned at LGP one side and is connected with bottom surface with end face respectively, this end face comprises the bright dipping zone, this light source is arranged at this first incidence surface one side, this light source has light-emitting area, this end face also comprises the light inlet zone, this light inlet zone is connected with the first incidence surface, this backlight module also comprises light-strip, this light-strip and the stacked setting of this LGP, and this light-strip is to arranging in the light incidence section territory, the length sum that this light-strip and this LGP make progress along stacked setting party is not less than this light source luminescent face along the height on light-strip and this LGP stacked direction, the light part that this light source produces enters LGP via this first incidence surface, another part is by after this light-strip, enter LGP by the light inlet zone on the LGP end face, the light entered in LGP is penetrated by this bright dipping zone.
Compared with prior art, the first incidence surface of the light-strip of above-mentioned backlight module and LGP receives the light that light source sends jointly, the light that light-strip will enter light-strip inside again is passed to LGP, be equivalent to increase the light inlet area of the LGP entered, the light of the overwhelming majority that light source is sent enters LGP by by after the LGP conversion, becoming planar light outgoing comparatively uniformly, has improved the utilization rate of light.
The accompanying drawing explanation
The perspective exploded view that Fig. 1 is liquid crystal indicator one embodiment of the present invention.
The partial enlarged drawing of the LGP that Fig. 2 is liquid crystal indicator in Fig. 1, catoptric arrangement, light-strip and light source.
The assembling schematic diagram that Fig. 3 is backlight module in Fig. 1.
The generalized section that Fig. 4 is IV-IV place in Fig. 3.
Cut-away view after the backlight module assembling of Fig. 5 liquid crystal indicator the second embodiment of the present invention, its slice location is identical with the slice location in the Fig. 3 shown in Fig. 4, and liquid crystal panel omits simultaneously.
Cut-away view after the backlight module assembling that Fig. 6 is liquid crystal indicator of the present invention the 3rd embodiment, its slice location is identical with the slice location in the Fig. 3 shown in Fig. 4, and liquid crystal panel omits simultaneously.
The main element symbol description
Liquid crystal indicator 2
Liquid crystal panel 22
Backlight module 23、33、43
The glue frame 25
Optical diaphragm group 24
LGP 26、46
Light source 27、47
Catoptric arrangement 28
Light-strip 29、49
The first side plate 251
The second side plate 252
The 3rd side plate 253
The 4th side plate 254
Gripper shoe 255
The first exhibition wall 256、356
Sidewall 257、357
Face inclines 359
Reflecting material 259
End face 260
Bottom surface 263、463
The first incidence surface 265、465
The first light incidence section 467
The second light incidence section 468
The 3rd light incidence section 469
The light inlet zone 261、461
The bright dipping zone 262、462
Circuit board 271
Spot light 272
Light-emitting area 273
Base plate 283
The first kink 284
Light entrance face 291、391、491
Light-emitting face 292、392、492
The first joint face 395、495
The second joint face 396、496
The 3rd joint face 397、497
Joint face 293、393
Receiving space 250、350
The 4th joint face 498
The 5th joint face 499
The following specific embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
The specific embodiment
Refer to Fig. 1 and Fig. 2.This liquid crystal indicator 2 comprises liquid crystal panel 22 and backlight module 23.Adjacent this liquid crystal panel 22 of this backlight module 23 and provide backlight for this liquid crystal panel 22.
This backlight module 23 comprises glue frame 25, optical diaphragm group 24, LGP 26, light source 27, catoptric arrangement 28 and light-strip 29.
This LGP 26 is converted into the planar light outgoing for the light that light source 27 is sent, and it comprises an end face 260, the bottom surface 263 be oppositely arranged with this end face 260 and the first incidence surface 265 that is positioned at LGP 26 1 sides and is connected with end face 260 and bottom surface 263 respectively.This end face 260 comprises light inlet zone 261 and bright dipping zone 262.This light inlet zone 261 and first incidence surface 265 is adjacent.In the present embodiment, this bright dipping zone 262 is coplanar with light inlet zone 261.This light inlet zone 261 and this first incidence surface 265 are all as the optical interface that enters of this LGP 26.
This optical diaphragm group 24 is arranged on the side with bright dipping zone 262 of this end face 260.This light-strip 29 is arranged on the side with light inlet zone 261 of this end face 260.This light source 27 is arranged on this first incidence surface 265 1 sides.This catoptric arrangement 28 is arranged on the bottom surface 263 of this LGP 26 and surrounds this light source 27.
This light source 27 comprises circuit board 271 and is arranged at least two spot lights 272 on this circuit board 271.Each this spot light 272 has a light-emitting area 273, and the light that spot light 272 produces is by these light-emitting area 273 outgoing.This circuit board 271 is these spot light 272 power supplies.
This catoptric arrangement 28 improves the utilization rate of light for reflecting this LGP 26 with the light leak of light source 27, this catoptric arrangement 28 is reflector plate in the present embodiment, comprises base plate 283 and the first kink 284 to a lateral buckling extension from this base plate 283.The height of these light source 27 light-emitting areas 273 that is greater than to free-ended distance with junction this base plate 283 the first kink 284.
This light-strip 29 comprises light entrance face 291, the light-emitting face 292 connected with this light entrance face 291 and is connected the joint face 293 of this light entrance face 291 and light-emitting face 292.The light that this light entrance face 291 sends for receiving this light source 27, this light-emitting face 292 is passed to LGP 26 for the light that light-strip 29 is received.Wherein, the refractive index of this light-strip 29 is greater than the refractive index of this LGP 26.In the present embodiment, this light-strip 29 is cuboid, the adjacent two side faces that light entrance face 291 and light-emitting face 292 extend along its length for cuboid.When this light-strip 29 coordinates with this LGP 26, this light-strip 29 and this LGP 26 along stacked setting party to, the length of Z direction in Fig. 4, the height of this light entrance face 291 and this first incidence surface 265 are not less than the light-emitting area 273 of this light source 27 along the height on light-strip 29 and these LGP 26 stacked directions along the height sum on the stacked Z of setting direction.
The framework that this glue frame 25 is hollow, see also Fig. 4, and this glue frame 25 comprises the first side plate 251, the second side plate 252, the 3rd side plate 253 and the 4th side plate 254.This first side plate 251, the second side plate 252, the 3rd side plate 253 and the 4th side plate 254 be end to end formation one loop configuration successively.The height of the 4th side plate 254 is less than the height of other three side plates 251,252,253.Therefore, when glue frame 25 coordinates with this catoptric arrangement 28, between the lower surface of the lower surface of the first, the 3rd side plate 251,253 contact base plate 283, the four side plates 254 and base plate 283, there is certain distance, thereby allow bit port for the setting of this light source 27 provides.The common gripper shoe 255 of extending in interior side direction this glue Kuang25 center of this first side plate 251, the second side plate 252, the 3rd side plate 253 and the 4th side plate 254, be divided into two with the receiving space that glue frame 25 is surrounded, the first receiving space is for carrying these liquid crystal panel 22, the second receiving spaces for accommodating other elements of this backlight module 23.The 4th side plate 254 comprises the first exhibition wall 256, sidewall 257 and this gripper shoe 255 sequentially be connected.This gripper shoe 255, near this glue Kuang25 center, coordinates and divides this first and second receiving space with the gripper shoe 255 with on other sidewalls.One end of this sidewall 257 is connected with the end away from these Jiao Kuang 25 centers of this gripper shoe 255, and a relative end is connected with this first exhibition wall 256.This first exhibition wall 256, sidewall 257 and this gripper shoe 255 threes are connected to form the secondary step structure.When this glue frame 25, catoptric arrangement 28 and light source 27 coordinate, this gripper shoe 255 is less than the top of these spot light 272 light-emitting areas 273 of relevant position and the distance H between base plate 283 to the distance h of this base plate 283.The free end of the first exhibition wall 256 equals this light-strip 29 and the relevant position of light source 27 substantially width to the width of sidewall 257 with.The connection first exhibition wall 256 of this sidewall 257 equals or is slightly larger than the height of these light-strip 29 relevant positions substantially with the distance of gripper shoe 255 2 opposite ends.Particularly, this sidewall 257 is positioned at lower surface one side near this glue frame 25 of this first exhibition wall 256, and this first exhibition wall 256 is parallel with gripper shoe 255, and vertical with sidewall 257.This first exhibition wall 256 forms receiving space 250 for accommodating this light-strip 29 and part light source 27 with sidewall 257.This first exhibition wall 256 arranges reflecting material 259 with sidewall 257 on the inwall of this receiving space 250, for the joint face 293 that reflects this light-strip 29 and the light leak of this light source 27.This reflecting material 259 also can be arranged on the joint face 293 of this light-strip 29, or is connected and is structure as a whole with this catoptric arrangement 28 with the first kink 284 of this catoptric arrangement 28.
During assembling, refer to Fig. 3 and Fig. 4, the bottom surface of this LGP 26 263 is arranged on the base plate 283 of this catoptric arrangement 28, this light-strip 29 directly is arranged on the end face with light inlet zone 261 260 of this LGP 26, wherein, light-emitting face 292 arranges in the face of light inlet zone 261.Arrange glue frame 25 in the outside of this LGP 26 and light-strip 29 in order to accommodate the two.Wherein, this light-strip 29 is contained in this receiving space 250.The lower surface of the first side plate 251 of glue frame 25, the second side plate 252, the 3rd side plate 253 is arranged on this base plate 283.This LGP 26 is arranged between this gripper shoe 255 and base plate 283, and this gripper shoe 255 is erected on the end face 260 of this LGP 26.In the present embodiment, this light entrance face 291 is concordant with the first incidence surface 265.This light source 27 enters in this glue frame 25 via this passage, and light-emitting area 273 is in the face of this first incidence surface 265 and light entrance face 291.One end of this first kink 284 seals this passage and is attached on this first exhibition wall 256.This optical diaphragm group 24 is arranged on the end face 260 that this LGP 26 has bright dipping zone 262.
This liquid crystal panel 22 is arranged on this optical diaphragm group 24, and by these gripper shoe 255 carryings.The lower surface in the corresponding bright dipping of liquid crystal panel 22 zone 262 with respect to the height of LGP 26 bottom surfaces 263 lower than light source 27 light-emitting area 273 tops the height with respect to LGP 26 bottom surfaces 263.
The light that this light source 27 sends enters this LGP 26 and light-strip 29 via the first incidence surface 265 and light entrance face 291, light in this light-strip 29 via the reflection of reflecting material 259 the most finally this light-emitting face 292 penetrate these light-strips 29, and entering this LGP 26 by this light inlet zone 261, the light in this LGP 26 penetrates this LGP 26 by these base plate 283 reflections via this bright dipping zone 262.Although the height of the first incidence surface 265 of LGP 26 is less than the height of the light-emitting area 273 of this light source 27, but under the effect coordinated of light-strip 29 and LGP 26, the existence of light-strip 29 has increased the light inlet area of the LGP 26 entered indirectly, the light of the overwhelming majority that light source 27 is sent enters LGP 26 by by after LGP 26 conversions, becoming planar light outgoing comparatively uniformly, has improved the utilization rate of light.
Further, the refractive index of this light-strip 29 is greater than the refractive index of this LGP 26.According to refraction principle, the angle that enters the light of this LGP 26 after reflecting via this light-emitting face 292 and these light inlet zone 261 intersection interfaces comparatively spreads.
Referring to Fig. 5, is the generalized section after backlight module 33 assembling of liquid crystal indicator the second embodiment of the present invention.The difference of present embodiment and the first embodiment is: the first joint face 395 that joint face 393 comprises and light entrance face 391 is oppositely arranged, and the second joint face 396 of being oppositely arranged of light-emitting face 392 and be arranged at this first joint face 395 and the second joint face 396 between the 3rd joint face 397.Light entrance face 391 is parallel with the first joint face 395, and light-emitting face 392 is parallel with the second joint face 396, and the 3rd joint face 397 is the clinoplains that connect two mutual vertical plane the first joint faces 395 and the second joint face 396.There is the face 359 that inclines matched with the 3rd joint face 397 between the first exhibition wall 356 and sidewall 357 on the inwall of formation receiving space 350.
Referring to Fig. 6, is the generalized section after liquid crystal indicator of the present invention the 3rd embodiment backlight module 43 assemblings.The difference of the 3rd embodiment and the first embodiment is: the light inlet zone 461 of LGP 46 comprises the first light incidence section 467, the second light incidence section 468 and the 3rd light incidence section 469.One end of this first light incidence section 467 is connected with bright dipping zone 462, and a relative end is connected with the second light incidence section 468.One end of this second light incidence section 468 is connected with the first light incidence section 467, and a relative end is connected with the 3rd light incidence section 469.One end of the 3rd light incidence section 469 is connected with the second light incidence section 468, and a relative end is connected with the first incidence surface 465.This first light incidence section 467 is coplanar with bright dipping zone 462, and the second light incidence section 468 and the 3rd light incidence section 469 are to the internal recess of this LGP 46, to accommodate part light-strip 49.Particularly, this bright dipping zone 462, bottom surface 463 are parallel, and vertical with the second light incidence section 468, the first incidence surface 465, and the 3rd light incidence section 469 is the inclined planes that connect the second light incidence section 468, the first incidence surface 465.
Light-strip 49 comprises the first joint face 495 of being oppositely arranged with light entrance face 491, be connected light entrance face 491 and the second joint face 496 of the first joint face 495, with this second joint face 496, be oppositely arranged and with the 3rd joint face 497 of the first joint face 495 adjacent settings, with this second joint face 496, be oppositely arranged and with the 4th joint face 498 of light entrance face 491 adjacent settings, and be connected the 4th joint face 498 and the 3rd joint face 497 and the 5th joint face 499 between the two.The 4th joint face 498, the 5th joint face 499 and the 3rd joint face 497 form light-emitting face 492.This light-emitting face 492 is to these light-strip 49 internal recess, to coordinate with light inlet zone 461.Particularly, this light entrance face 491, the first joint face 495, the 5th joint face 499 are parallel, and the second joint face 496 is parallel and vertical with light entrance face 491 with the 3rd joint face 497.
During assembling, the 3rd joint face 497 is overlapped on the first light incidence section 467, the 5th joint face 499 and the first light incidence section 467 are in the face of arranging, and the 4th joint face 498 and the 3rd light incidence section 469 are in the face of arranging, and light entrance face 491 and the first incidence surface 465 are coplanar for jointly receiving the light that light source 47 sends.

Claims (11)

1. a backlight module, it comprises light source and LGP, this LGP comprises end face, the bottom surface be oppositely arranged with this end face and the first incidence surface that is positioned at LGP one side and is connected with bottom surface with end face respectively, this end face comprises the bright dipping zone, this light source is arranged at this first incidence surface one side, this light source has light-emitting area, it is characterized in that: this end face also comprises the light inlet zone, this light inlet zone is connected with the first incidence surface, this backlight module also comprises light-strip, this light-strip and the stacked setting of this LGP, and this light-strip is to arranging in the light incidence section territory, the length sum that this light-strip and this LGP make progress along stacked setting party is not less than this light source luminescent face along the height on light-strip and this LGP stacked direction, the light part that this light source produces enters LGP via this first incidence surface, another part is by after this light-strip, enter LGP by the light inlet zone on the LGP end face, the light entered in LGP is penetrated by this bright dipping zone.
2. backlight module as claimed in claim 1 is characterized in that: this bright dipping zone is coplanar with the light inlet zone.
3. backlight module as claimed in claim 1, it is characterized in that: this backlight module also comprises catoptric arrangement, this catoptric arrangement comprises base plate and the first kink to a lateral buckling extension from this base plate, this base plate and this first kink are around this LGP and this light source, and the bottom surface of this LGP is arranged on this base plate.
4. backlight module as claimed in claim 3, it is characterized in that: this backlight module comprises the glue frame, for accommodating this light source and LGP, the framework that this glue frame is hollow, it comprises the first sequentially end to end side plate, the second side plate, the 3rd side plate and the 4th side plate, this first side plate, the second side plate, the 3rd side plate and the 4th side plate form a loop configuration, the lower surface of this first side plate, the second side plate, the 3rd side plate is arranged on this base plate, there is certain distance between the lower surface of the 4th side plate and base plate, for the setting of this light source provides, allow bit port.
5. backlight module as claimed in claim 4 is characterized in that: the common gripper shoe of extending in this Jiao Kuang center of interior side direction of this first side plate, the second side plate, the 3rd side plate and the 4th side plate is divided into two parts with the receiving space that the glue frame is surrounded.
6. backlight module as claimed in claim 5, it is characterized in that: the 4th side plate comprises the first exhibition wall sequentially be connected, sidewall and this gripper shoe, this gripper shoe is near this Jiao Kuang center, coordinate and divide this two receiving space with the gripper shoe with on other sidewalls, one end of this sidewall is connected with the end away from the Gai Jiaokuang center of this gripper shoe, a relative end is connected with this first exhibition wall, this the first exhibition wall, sidewall and this gripper shoe three are connected to form the secondary step structure, this gripper shoe is less than the top of this point light source light-emitting face and the distance between base plate to the distance of this base plate, this first exhibition wall and sidewall form receiving space for accommodating this light-strip and part light source, the inwall that this first exhibition wall and sidewall form this receiving space arranges reflecting material.
7. backlight module as claimed in claim 1, it is characterized in that: the refractive index of this light-strip is greater than the refractive index of this LGP.
8. backlight module as claimed in claim 1, it is characterized in that: this light-strip comprises light entrance face, the light-emitting face be connected with this light entrance face, the light entrance face of this light-strip and the first incidence surface and this light source are oppositely arranged to receive the light that this light source produces, and the light inlet zone of this light-emitting face and this LGP is oppositely arranged with the light transmission by light-strip to this LGP.
9. backlight module as claimed in claim 1, it is characterized in that: the light inlet zone of this LGP comprises the first light incidence section, the second light incidence section and the 3rd light incidence section, one end of this first light incidence section and bright dipping joint area, a relative end is connected with the second light incidence section, one end of this second light incidence section is connected with the first light incidence section, a relative end is connected with the 3rd light incidence section, one end of the 3rd light incidence section is connected with the second light incidence section, a relative end is connected with the first incidence surface, this first light incidence section and bright dipping zone are coplanar, the second light incidence section and the 3rd light incidence section are to the internal recess of this LGP, to accommodate the part light-strip, light-strip comprises the first joint face be oppositely arranged with light entrance face, the second joint face that connects light entrance face and the first joint face, with this second joint face, be oppositely arranged and with the 3rd joint face of the adjacent setting of the first joint face, with this second joint face, be oppositely arranged and with the 4th joint face of the adjacent setting of light entrance face, and connection the 4th joint face and the 3rd joint face and the 5th joint face between the two, the 4th joint face, the 5th joint face and the 3rd joint face form light-emitting face, this light-emitting face is to this light-strip internal recess, to coordinate with the light inlet zone, this bright dipping zone, bottom surface is parallel, and with the second light incidence section, the first incidence surface is vertical, the 3rd light incidence section is to connect the second light incidence section, the inclined plane of the first incidence surface, this light entrance face, the first joint face, the 5th joint face is parallel, the second joint face is parallel and vertical with light entrance face with the 3rd joint face.
10. a liquid crystal indicator, it comprises a liquid crystal panel and adjacent this liquid crystal panel and, for this liquid crystal panel provides the backlight module of light source, it is characterized in that: this backlight module is the described backlight module of arbitrary claim in claim 1 to 9.
11. liquid crystal indicator as claimed in claim 10 is characterized in that: the lower surface in the corresponding bright dipping of liquid crystal panel zone with respect to the height of bottom surface of light guide plate lower than the top of light source luminescent face the height with respect to bottom surface of light guide plate.
CN 201210176213 2012-05-31 2012-05-31 Backlight module and liquid crystal display device Pending CN103453386A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201210176213 CN103453386A (en) 2012-05-31 2012-05-31 Backlight module and liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201210176213 CN103453386A (en) 2012-05-31 2012-05-31 Backlight module and liquid crystal display device

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Publication Number Publication Date
CN103453386A true CN103453386A (en) 2013-12-18

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104595803A (en) * 2014-12-10 2015-05-06 深圳市华星光电技术有限公司 Backlight module and rubber frame and reflector plate of backlight module
CN104747937A (en) * 2013-12-26 2015-07-01 元太科技工业股份有限公司 Light source module and display device
CN104763979A (en) * 2015-01-28 2015-07-08 合肥京东方光电科技有限公司 LGP (Light Guide Plate), backlight module and display device
CN104791715A (en) * 2015-04-16 2015-07-22 京东方科技集团股份有限公司 Rubber frame, backlight module and display device
CN106195754A (en) * 2015-05-04 2016-12-07 扬升照明股份有限公司 Backlight module
CN110389468A (en) * 2018-04-17 2019-10-29 宸盛光电有限公司 Backlight module and its display device
CN115981045A (en) * 2023-03-23 2023-04-18 惠科股份有限公司 Display device and electronic apparatus

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104747937A (en) * 2013-12-26 2015-07-01 元太科技工业股份有限公司 Light source module and display device
CN104595803A (en) * 2014-12-10 2015-05-06 深圳市华星光电技术有限公司 Backlight module and rubber frame and reflector plate of backlight module
CN104763979A (en) * 2015-01-28 2015-07-08 合肥京东方光电科技有限公司 LGP (Light Guide Plate), backlight module and display device
US10191209B2 (en) 2015-01-28 2019-01-29 Boe Technology Group Co., Ltd. Light guide plate, backlight module and display device
CN104791715A (en) * 2015-04-16 2015-07-22 京东方科技集团股份有限公司 Rubber frame, backlight module and display device
CN106195754A (en) * 2015-05-04 2016-12-07 扬升照明股份有限公司 Backlight module
CN110389468A (en) * 2018-04-17 2019-10-29 宸盛光电有限公司 Backlight module and its display device
CN115981045A (en) * 2023-03-23 2023-04-18 惠科股份有限公司 Display device and electronic apparatus
CN115981045B (en) * 2023-03-23 2023-06-23 惠科股份有限公司 Display device and electronic apparatus

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Application publication date: 20131218