CN101819347B - Liquid crystal display device - Google Patents

Liquid crystal display device Download PDF

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Publication number
CN101819347B
CN101819347B CN2010101700900A CN201010170090A CN101819347B CN 101819347 B CN101819347 B CN 101819347B CN 2010101700900 A CN2010101700900 A CN 2010101700900A CN 201010170090 A CN201010170090 A CN 201010170090A CN 101819347 B CN101819347 B CN 101819347B
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China
Prior art keywords
liquid crystal
circuit board
light
guide plate
light guide
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CN2010101700900A
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Chinese (zh)
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CN101819347A (en
Inventor
黄启祥
彭赐光
张正伟
陈建桦
范华珍
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AU Optronics Corp
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AU Optronics Corp
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Publication of CN101819347A publication Critical patent/CN101819347A/en
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Abstract

The invention discloses a liquid crystal display device which is composed of a light guide panel, a light source module, a first adhesive tape, a circuit board bracing frame, an elastic support piece, an optical diaphragm, a panel and an elastic buffer. The design of the liquid crystal display device can reduce the thickness and weight of the entire liquid crystal display device.

Description

Liquid crystal indicator
Technical field
The present invention relates to a kind of liquid crystal indicator, particularly relate to a kind of slimming liquid crystal indicator.
Background technology
Existing LCD mainly comprises the LCD MODULE that is made of display panels and backlight module.And generally must use framework such as glue frame and chase to fix display panels and backlight module.
Owing to must consider the structural strength of assembling between framework such as glue frame, chase and the display panels, make the spatial volume of LCD MODULE comprise the height of framework itself, therefore be difficult to existing LCD MODULE slimming.Therefore be the volume that reaches LCD MODULE, the demand that thickness constantly dwindles, need badly at the structure of the assembling of LCD MODULE and improve.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of slimming liquid crystal indicator, can effectively reduce weight, thickness and cost.The liquid crystal indicator that the present invention proposes comprises: a light guide plate, a light source module, one first adhesive tape, a circuit board bracing frame, an elastic supporting member for supporting optical member, a blooming piece, a panel and a resilient snubber.
Light guide plate has a upper surface, a lower surface and a light inlet side, and wherein upper surface and lower surface are oppositely arranged and adjacent to the light inlet side.The light source module vicinity is located at the light inlet side.First adhesive tape coats the outside that fits in light source module and light guide plate.The circuit board bracing frame is first adhesive tape and be arranged at the top of the part upper surface of light source module and contiguous light inlet side at interval.Elastic supporting member for supporting optical member is located on the upper surface of light guide plate, and centers on the periphery of upper surface, and to form an accommodation space, the part elastic supporting member for supporting optical member is arranged on the circuit board bracing frame, and wherein elastic supporting member for supporting optical member is a rubber material.Blooming piece is located in the accommodation space.Panel is arranged on the elastic supporting member for supporting optical member and covers accommodation space.Resilient snubber promptly is bearing on panel and light guide plate other three outsides with respect to the light inlet side by being located at panel and light guide plate, and around panel and light guide plate other three sides with respect to the light inlet side, wherein resilient snubber is a rubber material.
One embodiment of the invention more comprises one second adhesive tape, is covered on the lower surface of neighboring area, the resilient snubber outside and the light guide plate of panel surface, fits on three sides so that resilient snubber is coated.
The elastic supporting member for supporting optical member of one embodiment of the invention comprises the groove of opening surface to accommodation space, blooming piece tool one lug, and lug and groove fasten so that blooming piece is fixed in the accommodation space.
The light source module of one embodiment of the invention comprises a first circuit board and is arranged at a light-emitting component on the first circuit board, and first adhesive tape fits in the lower surface, first circuit board of a light guide plate side and the upper surface away from light-emitting component.
One embodiment of the invention more comprises a reflecting plate, is located at the lower surface of light guide plate.In this embodiment, first adhesive tape fit in reflecting plate away from a side of light guide plate, first circuit board away from a side of light-emitting component and the upper surface of light guide plate.
One embodiment of the invention more comprises a second circuit board, is electrically connected on panel and is arranged on the circuit board bracing frame, in order to drive panel.Wherein the circuit board bracing frame comprises an outwards outstanding ear, in order to support second circuit board.
First adhesive tape of one embodiment of the invention comprises a reflection horizon.
The elastic supporting member for supporting optical member of one embodiment of the invention comprises one first support member and one second support member, first support member is between panel and circuit board bracing frame, then between panel and light guide plate, wherein first support member is identical with the top height of second support member for second support member.
The circuit board bracing frame covering light source module of one embodiment of the invention is close to the upper surface of light inlet side away from a side, the light source module of light guide plate away from a side and the light guide plate of first circuit board.
One embodiment of the invention, wherein the side of panel and light guide plate trim with respect to other three sides of light inlet side.
In sum, utilize the design of liquid crystal indicator of the present invention, omitted frameworks such as the glue frame of existing liquid crystal panel assembling or chase, reduce the thickness of entire liquid crystal display device, can reach and make the liquid crystal panel purpose of thinness, more can effectively alleviate the weight of liquid crystal indicator.In addition, utilize the design of liquid crystal indicator of the present invention,, more can effectively reduce manufacturing cost except assembling easily.
Description of drawings
For above-mentioned and other purposes of the present invention, feature, advantage and embodiment can be become apparent, being described in detail as follows of appended accompanying drawing:
Fig. 1, it is an embodiment synoptic diagram that illustrates liquid crystal indicator of the present invention;
Fig. 2, it is an embodiment element synoptic diagram that illustrates liquid crystal indicator of the present invention;
Fig. 3 A, Fig. 3 B, it is the element synoptic diagram () that illustrates an embodiment of liquid crystal indicator of the present invention;
Fig. 4 A, Fig. 4 B, Fig. 4 C, it is the element synoptic diagram (two) that illustrates an embodiment of liquid crystal indicator of the present invention;
Fig. 5 A, Fig. 5 B, it is the element synoptic diagram (three) that illustrates an embodiment of liquid crystal indicator of the present invention;
Fig. 6 A, it is the partial sectional view of the A line segment of Fig. 1; And
Fig. 6 B, it is the partial sectional view of the B line segment of Fig. 1.
The main element symbol description
100: liquid crystal indicator 141: second circuit board
110: light guide plate 142: ear
111: upper surface 150: elastic supporting member for supporting optical member
112: 151: the first support members of lower surface
113: 152: the second support members of light inlet side
114: reflecting plate 153: groove
115: accommodation space 160: blooming piece
120: light source module 161: lug
121: first circuit board 170: panel
122: light-emitting component 180: resilient snubber
190: the second adhesive tapes of 130: the first adhesive tapes
140: the circuit board bracing frame
Embodiment
The present invention proposes a kind of liquid crystal indicator, particularly assembles to reach by the element of display device to make the liquid crystal indicator purpose of thinness.Below cooperate to illustrate preferred embodiment of the present invention, describe technical characterictic of the present invention in detail.
Please cooperate with reference to Fig. 1, Fig. 2, illustrate an embodiment and the element exploded view of liquid crystal indicator of the present invention respectively.As Fig. 1 and shown in Figure 2, liquid crystal indicator 100 of the present invention is made up of a light guide plate 110, a light source module 120, one first adhesive tape 130, a circuit board bracing frame 140, an elastic supporting member for supporting optical member 150, a blooming piece 160, a panel 170 and a resilient snubber 180 at least.Being described in detail as follows of mutual alignment between relevant each element, relation.
The composition structural relation of light guide plate 110, light source module 120 and first adhesive tape 130 of liquid crystal indicator 100 of the present invention at first, is described.Cooperation illustrates the element synoptic diagram () of an embodiment of liquid crystal indicator of the present invention with reference to Fig. 3 A, Fig. 3 B.Light guide plate 110 has a upper surface 111, a lower surface 112 and a light inlet side 113, and wherein upper surface 111 is oppositely arranged with lower surface 112 and adjacent to light inlet side 113.The light source module 120 contiguous light inlet sides 113 of being located at light guide plate 110 are to provide incident ray to enter light guide plate 110 from light inlet side 113.First adhesive tape 130 coats the outside that fits in light source module 120 and light guide plate 110, and first adhesive tape 130 comprises a reflection horizon (not illustrating), in order to light reflection that light source module 120 the is sent light inlet side 113 to light guide plate 110.Wherein, light source module 120 comprises a first circuit board 121 and is arranged at a light-emitting component 122 on the first circuit board 121, and first adhesive tape 130 fits in the lower surface 112, first circuit board 121 of light guide plate 110 side and the upper surface 111 away from light-emitting component 122, promptly, first adhesive tape 130 is coated on light-emitting component 122 wherein fully, and light-emitting component 122 is fixed in light inlet side 113 positions of close light guide plate 110.
In addition, another embodiment of the present invention, shown in Fig. 3 B, liquid crystal indicator 100 more can comprise a reflecting plate 114 again, is located at the lower surface 112 of light guide plate 110.So in this embodiment first adhesive tape 130 fits in reflecting plate 114 away from a side of light guide plate 110, first circuit board 121 upper surface 111 away from a side and the light guide plate 110 of light-emitting component 122.
The composition structural relation of circuit board bracing frame 140, elastic supporting member for supporting optical member 150 and the blooming piece 160 of liquid crystal indicator 100 of the present invention then, is described.Cooperation illustrates the element synoptic diagram (two) of an embodiment of liquid crystal indicator of the present invention with reference to Fig. 4 A~Fig. 4 C.Circuit board bracing frame 140 is first adhesive tapes 130 and be arranged at the top of the part upper surface 111 of light source module 120 and contiguous light inlet side 113 at interval.That is, the neighboring area that circuit board bracing frame 140 covers light source module 120 and covers the upper surface 112 of light guide plate 110 contiguous light inlet sides 113.Elastic supporting member for supporting optical member 150 can be a rubber material, be located on the upper surface 111 of light guide plate 110, and center on the periphery of the upper surface 111 of light guide plate 110, to form an accommodation space 115, blooming piece 160 is located in the accommodation space 115, the material of elastic supporting member for supporting optical member 150 is not limited to the rubber material, and elastic supporting member for supporting optical member 150 also can be other materials, for example foamed plastic etc.
And part elastic supporting member for supporting optical member 150 is arranged on the circuit board bracing frame 140, that is, elastic supporting member for supporting optical member 150 comprises one first support member 151 and one second support member 152, first support member 151 is between panel 170 and circuit board bracing frame 140,152 of second support members are between panel 170 and light guide plate 110, and first support member 151 is identical with the top height of second support member 152, so that panel 170 can level/smooth being arranged on the elastic supporting member for supporting optical member 150.
In addition, shown in Fig. 4 A, Fig. 4 B, elastic supporting member for supporting optical member 150 comprises the groove 153 of opening surface to accommodation space 115, and blooming piece 160 has a lug 161.Lug 161 can fasten with groove 153, so that blooming piece 160 is fixed in the accommodation space 115.In addition, because the opening surface of groove 153 is to accommodation space 115, therefore lug 161 enters groove 153 and after fastening with groove 153, not only can limit the horizontal shift of blooming piece 160, can also utilize elastic supporting member for supporting optical member 150 to limit the perpendicular displacement of blooming piece 160, so blooming piece 160 stably can be fixed in the accommodation space 115 near the upper limb of groove 153.
Moreover liquid crystal indicator 100 of the present invention more comprises a second circuit board 141 (seeing Fig. 4 A), is electrically connected on panel 170 and is arranged on the circuit board bracing frame 140, in order to drive panel 170.Again, circuit board bracing frame 140 comprises an outwards outstanding ear 142, and in order to support second circuit board 140, in this embodiment, the number of ear 142 for example is two, but is not limited thereto, and the number of ear 142 also can be more than one or two.
Next, put off until some time later the composition structural relation of panel 170 with the resilient snubber 180 of bright liquid crystal indicator 100 of the present invention.Cooperation illustrates the element synoptic diagram (three) of an embodiment of liquid crystal indicator of the present invention with reference to Fig. 5 A, Fig. 5 B.Panel 170 is the optical glass group of liquid crystal indicator 100, be arranged on the elastic supporting member for supporting optical member 150, because first support member 151 is identical with the top height of second support member 152, so panel 170 energy are smooth be arranged on the elastic supporting member for supporting optical member 150 and cover accommodation space 115.And the side of panel 170 and light guide plate 110 trim with respect to other three sides of light inlet side 113, that is three sides and the panel 170 corresponding sides of light guide plate 110 non-genus light inlet sides 113 trim.And resilient snubber 180 is by being located at the outside of panel 170 and light guide plate 110, and around panel 170 and other three sides of light guide plate 110 with respect to light inlet side 113, wherein resilient snubber 180 for example is a rubber material, but be not limited thereto, resilient snubber 180 also can be other materials, for example foamed plastic etc.
In addition, shown in Fig. 5 B, liquid crystal indicator 100 of the present invention more comprises one second adhesive tape 190, be covered on the lower surface 112 of neighboring area, resilient snubber 180 outsides and the light guide plate 110 on panel 170 surfaces, second adhesive tape 190 coats resilient snubber 180 and fits on panel 170 and other three sides corresponding to light guide plate 110 light inlet sides 113, to form liquid crystal indicator 100 as shown in Figure 1.
At last,, please refer to Fig. 6 A, Fig. 6 B, be respectively the partial sectional view of A line segment of Fig. 1 and the partial sectional view of B line segment in order to describe mutual alignment, the relation between relevant each element in detail.
Shown in Fig. 6 A and Fig. 6 B, its liquid crystal indicator 100 is light guide plate 110 and light source module 120 from the bottom to top in regular turn, and light source module 120 is coated by being located at the light inlet side 113 of light guide plate 110 by first adhesive tape 130.Circuit board bracing frame 140 is arranged at the top of the part upper surface 111 of light source module 120 and contiguous light inlet side 113, wherein, is provided with first adhesive tape 130 between circuit board bracing frame 140 and light source module 120 and the upper surface 111.Elastic supporting member for supporting optical member comprises first support member 151 and second support member 152, wherein first support member 151 is between panel 170 and circuit board bracing frame 140,152 of second support members are between panel 170 and light guide plate 110, and first support member 151 is identical with the top height of second support member 152.First support member 151 and second support member 152 form accommodation space 115 around the periphery of the upper surface 111 of light guide plate 110, and blooming piece 160 is located in the accommodation space 115 and is positioned on the upper surface 111 of light guide plate 110.Panel 170 smooth being arranged on the elastic supporting member for supporting optical member 151,152.Resilient snubber 180 is by being located at the outside of panel 170 and light guide plate 110 non-genus light inlet sides 113, that is a side that only is provided with circuit board bracing frame 140 is not provided with resilient snubber 180.Neighboring area on three sides of panel 170 and light guide plate 110 non-genus light inlet sides 113 coats second adhesive tape 190, promptly, second adhesive tape 190 is covered on the lower surface of neighboring area, resilient snubber 180 outsides and light guide plate 110 of panel 170 upper surfaces, resilient snubber 180 is coated on three sides that fit in panel 170 and light guide plate 110 non-genus light inlet sides 113.
Thus, utilize the design of liquid crystal indicator of the present invention, need not to use frameworks such as the glue frame of existing LCD MODULE or chase, reduce the thickness of entire liquid crystal display device, can reach and make the liquid crystal panel purpose of thinness, effectively alleviate the weight of liquid crystal indicator, and still can keep certain structure intensity.In addition, utilize the design of liquid crystal indicator of the present invention,, more can effectively reduce manufacturing cost except assembling easily.
Though disclosed the present invention in conjunction with above embodiment; yet it is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; can be used for a variety of modifications and variations, thus protection scope of the present invention should with enclose claim was defined is as the criterion.

Claims (11)

1. liquid crystal indicator comprises:
Light guide plate, it has upper surface, lower surface and light inlet side, wherein this upper surface and this lower surface is oppositely arranged and adjacent to this light inlet side;
Light source module, contiguous this light inlet side of being located at;
First adhesive tape, coating fits in the outside of this light inlet side of this light source module and this light guide plate;
The circuit board bracing frame is arranged at the top of this upper surface of part of this light source module and contiguous this light inlet side;
Elastic supporting member for supporting optical member is located on this upper surface of this light guide plate, and centers on the periphery of this upper surface, and to form accommodation space, wherein this elastic supporting member for supporting optical member of part is arranged on this circuit board bracing frame;
Blooming piece is located in this accommodation space;
Panel is arranged on this elastic supporting member for supporting optical member and covers this accommodation space; And
Resilient snubber, by being located at this panel and this light guide plate outside with respect to other three sides of this light inlet side,
This light source module comprises first circuit board and is arranged at light-emitting component on this first circuit board, and this first adhesive tape fits in this lower surface, this first circuit board of this a light guide plate side and this upper surface away from this light-emitting component,
This elastic supporting member for supporting optical member comprises first support member and second support member, this first support member between this panel and this circuit board bracing frame, this second support member then between this panel and this light guide plate,
This first support member is identical with the top height of this second support member.
2. liquid crystal indicator as claimed in claim 1, wherein also comprise second adhesive tape, this lower surface that it is covered on neighboring area, this resilient snubber outside and this light guide plate of this panel surface fits on these other three sides so that this resilient snubber is coated.
3. liquid crystal indicator as claimed in claim 1, wherein this elastic supporting member for supporting optical member is a rubber material.
4. liquid crystal indicator as claimed in claim 1, wherein this resilient snubber is a rubber material.
5. liquid crystal indicator as claimed in claim 1, wherein this elastic supporting member for supporting optical member comprises opening, and it is in the face of the groove of this accommodation space, and this blooming piece has lug, and this lug and this groove fasten so that this blooming piece is fixed in this accommodation space.
6. liquid crystal indicator as claimed in claim 1 also comprises reflecting plate, is located at this lower surface of this light guide plate.
7. liquid crystal indicator as claimed in claim 6, wherein this light source module comprises first circuit board and is arranged at light-emitting component on this first circuit board, and this first adhesive tape fits in this reflecting plate away from a side of this light guide plate, this first circuit board this upper surface away from a side and this light guide plate of this light-emitting component.
8. liquid crystal indicator as claimed in claim 1, it also comprises second circuit board, is electrically connected on this panel and is arranged on this circuit board bracing frame, in order to drive this panel.
9. liquid crystal indicator as claimed in claim 8, wherein this circuit board bracing frame comprises outwards outstanding ear, in order to support this second circuit board.
10. liquid crystal indicator as claimed in claim 1, wherein this first adhesive tape comprises the reflection horizon.
11. liquid crystal indicator as claimed in claim 1, wherein other three sides with respect to this light inlet side of the side of this panel and this light guide plate trim.
CN2010101700900A 2010-05-04 2010-05-04 Liquid crystal display device Active CN101819347B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108873440A (en) * 2018-08-29 2018-11-23 努比亚技术有限公司 A kind of protection structure of LCD display module

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CN102368122A (en) * 2011-09-14 2012-03-07 深圳市华星光电技术有限公司 Combination method and structure of liquid crystal display device, liquid crystal panel and back light module
TWI537636B (en) * 2011-11-16 2016-06-11 友達光電股份有限公司 Display apparatus
CN102644887A (en) * 2012-03-23 2012-08-22 深圳市华星光电技术有限公司 Backlight module structure and liquid crystal display device
CN103423610B (en) * 2012-05-16 2015-09-09 扬升照明股份有限公司 Light-emitting device
WO2016106144A1 (en) * 2014-12-23 2016-06-30 3M Innovative Properties Company Reflector laminate

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CN101320164B (en) * 2007-06-07 2010-06-16 苏州璨宇光学有限公司 Back light module unit and LCD
JP4713622B2 (en) * 2008-09-19 2011-06-29 株式会社日立製作所 Liquid crystal display device and video display device using the same
CN101526186B (en) * 2009-04-10 2011-04-06 友达光电股份有限公司 Liquid crystal display (LCD), backlight module, fixed structure of backlight module and assembly method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108873440A (en) * 2018-08-29 2018-11-23 努比亚技术有限公司 A kind of protection structure of LCD display module

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