CN101949498B - Light-emitting element, backlight module and liquid crystal display device - Google Patents

Light-emitting element, backlight module and liquid crystal display device Download PDF

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Publication number
CN101949498B
CN101949498B CN2010102770116A CN201010277011A CN101949498B CN 101949498 B CN101949498 B CN 101949498B CN 2010102770116 A CN2010102770116 A CN 2010102770116A CN 201010277011 A CN201010277011 A CN 201010277011A CN 101949498 B CN101949498 B CN 101949498B
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light
circuit board
rigid circuit
backlight module
emitting diode
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CN101949498A (en
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陈清风
蔡政旻
范华珍
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AU Optronics Corp
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AU Optronics Corp
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Abstract

The invention relates to a light-emitting element, a backlight module with the light-emitting element and a liquid crystal display device, wherein the light-emitting element comprises a rigid circuit board, a plurality of light-emitting diode elements and a soft circuit board; the rigid circuit board is provided with a plurality of external circuits which are mutually independent; the light-emitting diode elements are arranged on the rigid circuit board, and each external circuit is connected to one corresponding light-emitting diode element; and the soft circuit board is provided with a plurality of serial circuits, and each serial circuit is connected with more than two external circuits so as to be connected in series with the light-emitting diode element connected with the external circuits. In the invention, when the light-emitting element is manufactured, the light-emitting diode elements are arranged on the rigid circuit board, and the serial circuits are arranged on the soft circuit board so that no additional space is needed for arranging the serial circuits on the rigid circuit board and the area of the rigid circuit board can be consequently reduced.

Description

Light-emitting component, backlight module and liquid crystal indicator
Technical field
The present invention relates to a kind of light-emitting component, backlight module and liquid crystal indicator, and relate in particular to a kind of light-emitting component, backlight module and liquid crystal indicator of thinner thickness.
Background technology
Saving the energy in recent years and tapping a new source of energy is very important subject under discussion, and light source is indispensable for the mankind now, and wherein light emitting diode (light emitting diode LED) is the energy-conserving light source that attracts most attention.Light emitting diode is except being the main lighting source, also because of its power saving, the life-span is long and oligosaprobic characteristic, becomes energy-conservation and important light source environmental protection.
In order to meet the demand, (thin film transistor liquid crystal display, TFT-LCD) the module major part selects for use light-emitting diode to be used as light emitting source to existing Thin Film Transistor-LCD.In detail, light-emitting diode is formed on the circuit board to form striation is combined with light guide plate can produces area source then for the LED optical strip (light bar) of backlight module use.
Be earlier light-emitting diode to be formed on the rigid circuit board by rigid-flex when making in conjunction with formed striation generally, then, more rigid circuit board be combined with flexible circuit board, to be external to external circuits by flexible circuit board.Figure 1A is the diagrammatic cross-section of existing a kind of backlight module.Figure 1B is the connection relationship figure of the light-emitting diode in the striation among Figure 1A.Please be simultaneously with reference to Figure 1A and Figure 1B, in backlight module 10, load support (holder) 100 carries light guide plate 102.Striation 106 is arranged in load support 100 formed spaces 104.Striation 106 comprises rigid circuit board 108, three groups of light-emitting diode 110 and flexible circuit boards 112 through series connection.One end of the light-emitting diode 110 of each group is connected to positive electrode 114 jointly, and the other end of the light-emitting diode 110 of each group is connected to negative electrode 116a, 116b, 116c respectively.
Because the light-emitting diode on the rigid circuit board is to utilize the mode of serial connection to connect, the light-emitting diode that just is cascaded is adjacent one another are, therefore is very easy to cause the problem of block type display abnormality (v-block).For fear of the problems referred to above, can adopt the mode of jumper connection to connect light-emitting diode.Yet, the problem that this mode has but caused the area of rigid circuit board to increase.
The connection relationship figure of the light-emitting diode that Fig. 1 C connects for the mode that adopts jumper connection.Please refer to Fig. 1 C, striation 106 ' is with the difference of striation 106: in striation 106 ', and the 1st, 4,7 light-emitting diode 110 series connection and form first group of light-emitting diode; 2nd, 5,8 light-emitting diodes, 110 series connection and form second group of light-emitting diode; 3rd, 6,9 light-emitting diodes, 110 series connection and form the 3rd group of light-emitting diode.In addition, an end of the light-emitting diode of each group is connected to positive electrode 114 jointly, and the other end of the light-emitting diode of each group is connected to negative electrode 116a, 116b, 116c respectively.
Can obviously be found out by Figure 1B and Fig. 1 C, in order to connect light-emitting diode at rigid circuit board in the jumper connection mode, rigid circuit board must have bigger area with the configuration circuit, thereby cause the thickness h of backlight module 10 to increase, make the thickness of LCD aspect slimming, be restricted.
Summary of the invention
The invention provides a kind of light-emitting component, wherein light-emitting diode and tandem link are disposed at respectively on rigid circuit board and the flexible circuit board, make the area of rigid circuit board therefore to dwindle.
The present invention provides a kind of backlight module in addition, and its light-emitting component that comprises has the less rigid circuit board of area, makes the thickness of backlight module therefore to reduce.
The present invention provides a kind of liquid crystal indicator again, and its backlight module that comprises has than minimal thickness, can therefore meet the demand of slimming.
The present invention proposes a kind of light-emitting component, and it comprises rigid circuit board, a plurality of light-emitting diode and flexible circuit board.Rigid circuit board has separate a plurality of external circuits.Light-emitting diode is disposed on the rigid circuit board, and each external circuit is connected to a corresponding light-emitting diode.Flexible circuit board has a plurality of tandem links, and each tandem link connects plural external circuit, and with the series connection light-emitting diode that external circuit was connected, described light-emitting diode adopts the mode of jumper connection to be external to described flexible circuit board.
According to the described light-emitting component of the embodiment of the invention, above-mentioned rigid circuit board for example has the many windings point corresponding to light-emitting diode, and these contacts are electrically connected to the tandem link on the flexible circuit board respectively, and each external circuit connects corresponding contact and light-emitting diode.
According to the described light-emitting component of the embodiment of the invention, above-mentioned contact and light-emitting diode for example are positioned at the same side of rigid circuit board, and these contacts are along the length direction respective leds element arrangements of rigid circuit board.
According to the described light-emitting component of the embodiment of the invention, above-mentioned contact and light-emitting diode for example are positioned at the relative both sides of rigid circuit board.
According to the described light-emitting component of the embodiment of the invention, can also comprise scolder, and flexible circuit board is pressed on by scolder on the contact of rigid circuit board, make each tandem link be electrically connected to corresponding external circuit.
The present invention proposes a kind of backlight module in addition, and it comprises light guide plate, load support (holder) and light-emitting component.Load support carrying light guide plate, and load support has the side that light source accommodating part is positioned at light guide plate.Form the light source accommodation space in the light source accommodating part.Light-emitting component is disposed in the light source accommodation space.Light-emitting component comprises rigid circuit board, a plurality of light-emitting diode and flexible circuit board.Rigid circuit board has separate a plurality of external circuits.Light-emitting diode is disposed on the rigid circuit board, and each external circuit is connected to a corresponding light-emitting diode.Flexible circuit board has a plurality of tandem links, and each tandem link connects plural external circuit, and with the series connection light-emitting diode that external circuit was connected, described light-emitting diode adopts the mode of jumper connection to be external to described flexible circuit board.
According to the described backlight module of the embodiment of the invention, above-mentioned load support can comprise base plate, side wall, top board, barricade and pressing plate.Side wall is erected in a side of base plate, and rigid circuit board arrangement is on side wall.Top board is relative with base plate and connect a side of side wall.Barricade is relative with side wall and extended towards base plate by top board, and side wall, top board, barricade and base plate constitute light source accommodating part.Pressing plate relative with base plate and by barricade towards extending away from the direction of side wall, and light guide plate is seized on both sides by the arms between pressing plate and base plate.
According to the described backlight module of the embodiment of the invention, above-mentioned rigid circuit board for example has the many windings point corresponding to light-emitting diode, and these contacts are electrically connected to the tandem link on the flexible circuit board respectively, and each external circuit connects corresponding contact and light-emitting diode.
According to the described backlight module of the embodiment of the invention, above-mentioned contact and light-emitting diode for example are positioned at the same side of rigid circuit board, and these contacts are along the length direction respective leds element arrangements of rigid circuit board.
According to the described backlight module of the embodiment of the invention, above-mentioned flexible circuit board can comprise a plurality of junction surfaces and connecting portion.The junction surface is pressed on respectively on the contact of rigid circuit board.Connecting portion is along the long limit configuration of rigid circuit board, and with connection joining part, and connecting portion extends towards the direction away from side wall along top board.
According to the described backlight module of the embodiment of the invention, above-mentioned light-emitting component can also comprise scolder, and the junction surface is pressed on the contact of rigid circuit board by scolder respectively.
According to the described backlight module of the embodiment of the invention, above-mentioned contact and light-emitting diode for example are positioned at the relative both sides of rigid circuit board.
According to the described backlight module of the embodiment of the invention, above-mentioned flexible circuit board can comprise junction surface and connecting portion.The junction surface is pressed on the contact of rigid circuit board, and the junction is between side wall and rigid circuit board.Connecting portion is along the configuration of long limit and the connection joining part of rigid circuit board, and connecting portion extends towards the direction away from side wall along top board.
According to the described backlight module of the embodiment of the invention, above-mentioned light-emitting component can also comprise scolder, and the junction surface is pressed on the contact of rigid circuit board by scolder.
The present invention proposes a kind of liquid crystal indicator again, and it comprises backlight module, bearing frame (frame), display panels and control circuit board.Backlight module comprises light guide plate, load support and light-emitting component.Load support carrying light guide plate, and load support has the side that light source accommodating part is positioned at light guide plate.Form the light source accommodation space in the light source accommodating part.Light-emitting component is disposed in the light source accommodation space.Light-emitting component comprises rigid circuit board, a plurality of light-emitting diode and flexible circuit board.Rigid circuit board has separate a plurality of external circuits.Light-emitting diode is disposed on the rigid circuit board, and each external circuit is connected to a corresponding light-emitting diode.Flexible circuit board has a plurality of tandem links, and each tandem link connects plural external circuit, and with the series connection light-emitting diode that external circuit was connected, described light-emitting diode adopts the mode of jumper connection to be external to described flexible circuit board.Bearing frame is disposed on the load support.Display panels is disposed on the bearing frame.Control circuit board is disposed at a side of backlight module, and is electrically connected to display panels.
According to the described liquid crystal indicator of the embodiment of the invention, above-mentioned flexible circuit board for example has first joint element, in order in conjunction with second joint element on the control circuit board, makes light-emitting diode be electrically connected to control circuit board.
Based on above-mentioned, the present invention is when making light-emitting component, light-emitting diode is disposed on the rigid circuit board, and tandem link is disposed on the flexible circuit board, therefore need not expend additional space disposes tandem link on rigid circuit board, and makes the area of rigid circuit board therefore to dwindle.In addition, for the backlight module with above-mentioned light-emitting component because the area of rigid circuit board dwindles, thus the thickness of backlight module also can with minimizing.In addition, when this backlight module is applied to LCD, because the thinner thickness of backlight module, so the thickness of LCD also can meet the demand of slimming.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Figure 1A is the diagrammatic cross-section of existing a kind of backlight module;
Figure 1B is the connection relationship figure figure of the light-emitting diode in the striation among Figure 1A;
The connection relationship figure of the light-emitting diode that Fig. 1 C connects for the mode that adopts jumper connection;
The diagrammatic cross-section of the backlight module that Fig. 2 A illustrates according to one embodiment of the invention;
Fig. 2 B is the circuit diagram of the light-emitting component among Fig. 2 A;
Fig. 2 C is the schematic perspective view of the light-emitting component among Fig. 2 A;
The schematic perspective view of the light-emitting component that Fig. 3 illustrates according to another embodiment of the present invention;
The schematic perspective view of the liquid crystal indicator that Fig. 4 illustrates according to one embodiment of the invention.
Wherein, Reference numeral:
10,20: backlight module
40: liquid crystal indicator
100,202: load support
102,200: light guide plate
104: the space
106,106 ': striation
108,204a: rigid circuit board
110,204b: light-emitting diode
112,204c, 304c: flexible circuit board
114,212: positive electrode
116a, 116b, 116c, 214a, 214b, 214c: negative electrode
202a: base plate
202b: side wall
202c: top board
202d: barricade
202e: pressing plate
204,304: light-emitting component
204d: external circuit
204e: tandem link
204f, 204g, 304f, 304g: junction surface
204,404a: joint element
206: the light source accommodation space
216: contact
400: bearing frame
402: display panels
404: control circuit board
404b: circuit
H, h ': thickness
Embodiment
The diagrammatic cross-section of the backlight module that Fig. 2 A illustrates according to one embodiment of the invention.Fig. 2 B is the connection relationship figure of the light-emitting diode in the light-emitting component among Fig. 2 A.Fig. 2 C is the schematic perspective view of the light-emitting component among Fig. 2 A.Please be simultaneously with reference to Fig. 2 A, Fig. 2 B and Fig. 2 C, backlight module 20 comprises light guide plate 200, load support 202 and light-emitting component 204.Load support 202 carrying light guide plate 200, and load support 202 has light source accommodating part, and it is positioned at a side of light guide plate 200.
In detail, load support 202 can comprise base plate 202a, side wall 202b, top board 202c, barricade 202d and pressing plate 202e.Side wall 202b is erected in the side of base plate 202a.Top board 202c is relative with base plate 202a and connect the side of side wall 202b.Barricade 202d is relative with side wall 202b and extended towards base plate 202a by top board 202c, and side wall 202b, top board 202c, barricade 202d and base plate 202a formation light source accommodating part.Form light source accommodation space 206 in the light source accommodating part.Pressing plate 202e relative with base plate 202a and by barricade 202d towards extending away from the direction of side wall 202b.Light guide plate 200 is seized on both sides by the arms between pressing plate 202e and base plate 202a.
Light-emitting component 204 is disposed in the light source accommodation space 206.Light-emitting component 204 comprises rigid circuit board 204a, light-emitting diode 204b and flexible circuit board 204c.Rigid circuit board 204a is configurable on side wall 202b.Rigid circuit board 204a has separate external circuit 204d, in order to light-emitting diode 204b is electrically connected to other element.Light-emitting diode 204b is disposed on the rigid circuit board 204a, and each external circuit 204d is connected to a corresponding light-emitting diode 204b.Flexible circuit board 204c has tandem link 204e, and each tandem link 204e connects plural external circuit 204d, the light-emitting diode 204b that is connected with series connection external circuit 204d.In the present embodiment, each tandem link 204e has connected six external circuit 204d respectively.That is to say, utilize a tandem link 204e that the external circuit 204d of six correspondences is one another in series.Certainly, in other embodiments, also can look the external circuit 204d that actual demand connects each tandem link 204e respectively proper number.In addition, in the present embodiment, flexible circuit board 204c has three tandem link 204e, and these three tandem link 204e have constituted three groups of circuits after having connected six external circuit 204d respectively, one end of each group circuit is connected to positive electrode 212 jointly, and the other end of each group circuit is connected to negative electrode 214a, 214b, 214c respectively.Because light-emitting diode 204b adopts the mode of jumper connection to be external to flexible circuit board 204c, therefore can avoid the problem of block type display abnormality.
In addition, flexible circuit board 204c for example has joint element 204h (being shown in Fig. 2 C), in order in conjunction with the joint element 404a (being shown in Fig. 4) on the control circuit board of liquid crystal indicator, makes light-emitting diode 204b be electrically connected to control circuit board.Joint element 204h for example is winding displacement (bus line), and the joint element 404a on the control circuit board 404 for example is socket (socket).
Special one carry be, in the present embodiment, because the tandem link 204e that is connected with light-emitting diode 204b is disposed on the flexible circuit board 204c, therefore, connect in the mode with jumper connection under the situation of light-emitting diode 204b, can not need to increase the area of rigid circuit board 204a, thereby can reduce the thickness h of backlight module 20 effectively '.
In addition, rigid circuit board 204a for example has the contact 216 corresponding to light-emitting diode 204b, and these contacts 216 are electrically connected to the tandem link 204e on the flexible circuit board 204c respectively, and each external circuit 204d connects corresponding contact 216 and light-emitting diode 204b.That is to say that light-emitting diode 204b is electrically connected to tandem link 204e on the flexible circuit board 204c by external circuit 204d and contact 216.In the present embodiment, contact 216 and light-emitting diode 204b can be positioned at the same side of rigid circuit board 204a, and arrange (shown in Fig. 2 C) along the length direction respective leds element 204b of rigid circuit board 204a.Flexible circuit board 204c can comprise junction surface 204f and connecting portion 204g.Shown in Fig. 2 C, junction surface 204f is pressed on respectively on the contact 216 of rigid circuit board 204a, makes each tandem link 204e be electrically connected to corresponding external circuit 204d.For example heat is pressed on the contact 216 of rigid circuit board 204a junction surface 204f by scolder.Connecting portion 204g can be along the long limit configuration of rigid circuit board 204a, and with connection joining part 204f, and connecting portion 204g extends towards the direction away from side wall 202b along top board 202c.In addition, in another embodiment, also can adopt anisotropic conducting rubber or other suitable conductive material to engage rigid circuit board 204a and flexible circuit board 204c.
Special one what carry is that in the present embodiment, contact 216 and light-emitting diode 204b are positioned at the same side of rigid circuit board 204a.Certainly, in other embodiments, also can look actual demand and contact 216 and light-emitting diode 204b are disposed at the relative both sides of rigid circuit board 204a.
The schematic perspective view of the light-emitting component that Fig. 3 illustrates according to another embodiment of the present invention.Please refer to Fig. 3, in light-emitting component 304, contact 216 and light-emitting diode 204b are disposed at the relative both sides of rigid circuit board 204a.Flexible circuit board 304c comprises junction surface 304f and connecting portion 304g.Similar to Fig. 2 C, for example heat is pressed on the contact 216 of rigid circuit board 204a junction surface 304f by scolder, and junction surface 304f is between side wall 202b and rigid circuit board 204a.Connecting portion 304g is along the configuration of long limit and the connection joining part 304f of rigid circuit board 204a, and connecting portion 304g extends towards the direction away from side wall 202b along top board 202c.
Below will the liquid crystal indicator that employing has a backlight module of light-emitting component 204 be explained.Certainly, in other embodiments, also can adopt the backlight module with light-emitting component 304.
The schematic perspective view of the liquid crystal indicator that Fig. 4 illustrates according to one embodiment of the invention.Please refer to Fig. 4, liquid crystal indicator 40 comprises backlight module 20, bearing frame 400, display panels 402.Bearing frame 400 is disposed on the load support 202 of backlight module 20.Display panels 402 is disposed on the bearing frame 400.In addition, liquid crystal indicator 40 also can comprise the control circuit board 404 that is electrically connected to display panels 402 by circuit 404b.The circuit configuration mode of the visual reality of control circuit board and dispose a certain side of backlight module 20, and the joint element 404a (for example socket) of control circuit board 404 is connected with the joint element 204h (for example winding displacement) of flexible circuit board, so that control circuit board and backlight module 20 are electrically connected.
In sum, in light-emitting component of the present invention, light-emitting diode is disposed on the rigid circuit board, and tandem link is disposed on the flexible circuit board.Owing to do not dispose tandem link on the rigid circuit board, make the area of rigid circuit board therefore to dwindle.
In addition, for the backlight module with above-mentioned light-emitting component, because the area of rigid circuit board is less, so the thickness of backlight module also can reduce effectively.In addition, when this backlight module is applied to LCD, because the thinner thickness of backlight module, therefore can make the thickness of LCD meet the demand of slimming.
In addition, the present invention adopts the mode of jumper connection that the light-emitting diode on the rigid circuit board is external to flexible circuit board, therefore can avoid the problem of block type display abnormality.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.

Claims (16)

1. a light-emitting component is characterized in that, comprising:
One rigid circuit board has separate a plurality of external circuits;
A plurality of light-emitting diodes are disposed on this rigid circuit board, and each external circuit is connected to a corresponding light-emitting diode; And
One flexible circuit board, have a plurality of tandem links, each tandem link connects plural external circuit, and those light-emitting diodes that this plural external circuit was connected to connect, described light-emitting diode adopt the mode of jumper connection to be external to described flexible circuit board.
2. light-emitting component according to claim 1, it is characterized in that, this rigid circuit board has the many windings point corresponding to those light-emitting diodes, those contacts are electrically connected to those tandem links on this flexible circuit board respectively, and each external circuit connects corresponding this winding point and this light-emitting diode.
3. light-emitting component according to claim 2, it is characterized in that, these many winding points and those light-emitting diodes are positioned at the same side of this rigid circuit board, and these many winding points are arranged along corresponding those light-emitting diodes of a length direction of this rigid circuit board.
4. light-emitting component according to claim 2 is characterized in that, these many winding points and those light-emitting diodes are positioned at the relative both sides of this rigid circuit board.
5. light-emitting component according to claim 2 is characterized in that, more comprises a scolder, and this flexible circuit board is pressed on these many winding points of this rigid circuit board by this scolder, makes each tandem link be electrically connected to corresponding those external circuits.
6. a backlight module is characterized in that, comprising:
One light guide plate;
One load support carries this light guide plate, and this load support has the side that a light source accommodating part is positioned at this light guide plate, formation one light source accommodation space in this light source accommodating part; And
One light-emitting component is disposed in this light source accommodation space, and this light-emitting component comprises:
One rigid circuit board has separate a plurality of external circuits;
A plurality of light-emitting diodes are disposed on this rigid circuit board, and each external circuit is connected to a corresponding light-emitting diode; And
One flexible circuit board, have a plurality of tandem links, each tandem link connects plural external circuit, and those light-emitting diodes that this plural external circuit was connected to connect, described light-emitting diode adopt the mode of jumper connection to be external to described flexible circuit board.
7. backlight module according to claim 6 is characterized in that, this load support comprises:
One base plate;
One side wall is erected in a side of this base plate, and this rigid circuit board arrangement is on this side wall;
One top board is relative with this base plate and connect a side of this side wall;
One barricade, relative with this side wall and extended towards this base plate by this top board, this side wall, this top board, this barricade and this base plate constitute this light source accommodating part; And
One pressing plate, relative with this base plate and by this barricade towards extending away from the direction of this side wall, this light guide plate is seized on both sides by the arms between this pressing plate and this base plate.
8. backlight module according to claim 7, it is characterized in that, this rigid circuit board has the many windings point corresponding to those light-emitting diodes, those contacts are electrically connected to those tandem links on this flexible circuit board respectively, and each external circuit connects corresponding this winding point and this light-emitting diode.
9. backlight module according to claim 8, it is characterized in that, these many winding points and those light-emitting diodes are positioned at the same side of this rigid circuit board, and these many winding points are arranged along corresponding those light-emitting diodes of a length direction of this rigid circuit board.
10. backlight module according to claim 9 is characterized in that, this flexible circuit board comprises:
A plurality of junction surfaces are pressed on respectively on these many winding points of this rigid circuit board; And
A junction, along a long limit configuration of this rigid circuit board, connecting those junction surfaces, and this connecting portion along this top board towards the direction extension away from this side wall.
11. backlight module according to claim 10 is characterized in that, this light-emitting component more comprises a scolder, and those junction surfaces are pressed on these many winding points of this rigid circuit board by this scolder respectively.
12. backlight module according to claim 8 is characterized in that, these many winding points and those light-emitting diodes are positioned at the relative both sides of this rigid circuit board.
13. backlight module according to claim 12 is characterized in that, this flexible circuit board comprises:
One junction surface is pressed on these many winding points of this rigid circuit board, and this junction is between this side wall and this rigid circuit board; And
A junction, a long limit of this rigid circuit board of edge disposes and connects this junction surface, and this connecting portion extends towards the direction away from this side wall along this top board.
14. backlight module according to claim 13 is characterized in that, this light-emitting component more comprises a scolder, and this junction surface is pressed on these many winding points of this rigid circuit board by this scolder.
15. a liquid crystal indicator is characterized in that, comprising:
One backlight module comprises:
One light guide plate;
One load support carries this light guide plate, and this load support has the side that a light source accommodating part is positioned at this light guide plate, formation one light source accommodation space in this light source accommodating part; And
One light-emitting component is disposed in this light source accommodation space, and this light-emitting component comprises:
One rigid circuit board has separate a plurality of external circuits;
A plurality of light-emitting diodes are disposed on this rigid circuit board, and each external circuit is connected to a corresponding light-emitting diode; And
One flexible circuit board, have a plurality of tandem links, each tandem link connects plural external circuit, and those light-emitting diodes that this plural external circuit was connected to connect, described light-emitting diode adopt the mode of jumper connection to be external to described flexible circuit board;
One bearing frame is disposed on this load support;
One display panels is disposed on this bearing frame; And
One control circuit board is disposed at a side of this backlight module, and is electrically connected to this display panels.
16. liquid crystal indicator according to claim 15, it is characterized in that, this flexible circuit board has one first joint element, in order in conjunction with one second joint element on this control circuit board, makes those light-emitting diodes be electrically connected to this control circuit board.
CN2010102770116A 2010-09-07 2010-09-07 Light-emitting element, backlight module and liquid crystal display device Active CN101949498B (en)

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CN201237173Y (en) * 2008-06-17 2009-05-13 俊光科技有限公司 LED lamp

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