CN1971344A - Display module - Google Patents
Display module Download PDFInfo
- Publication number
- CN1971344A CN1971344A CNA2005101017439A CN200510101743A CN1971344A CN 1971344 A CN1971344 A CN 1971344A CN A2005101017439 A CNA2005101017439 A CN A2005101017439A CN 200510101743 A CN200510101743 A CN 200510101743A CN 1971344 A CN1971344 A CN 1971344A
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- light
- circuit board
- printed circuit
- pcb
- emitting component
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Abstract
The invention relates to a display mold train that comprises a framework, a light conducting plate with surface of light, a display panel, a printed circuit board and at least a light-emitting component, the light conducting plate is mounted in the framework, the printed circuit board includes a main circuit area and at least a light source arrangement area, the main circuit area is electric connected with the display panel, the light-emitting component is mounted in the light source arrangement area and electric connected with the printed circuit board, the light-emitting component is equipped relatively with the surface of light of light conducting plate, it characterized in that: the printed circuit board is a circuit board combined with flexible area and hard area, the main circuit area is located at the flexible area, the light source arrangement area is located at the hard area. The circuit board combined with flexible area and hard area is connected with the display panel, it can make the light-emitting component convenient to fix and increase the availability ratio of incident light.
Description
[technical field]
The invention relates to a kind of demonstration module, refer to a kind of effectively fixedly light-emitting component especially, improve the demonstration module of light utilization.
[background technology]
In response to the compact requirement of hand-held electronic product at present, it shows the light source on module, and for example (Light Emitting Diode LED) or fluorescent tube, is accepted by as thin as a wafer a printed circuit board (PCB) light emitting diode.
The demonstration module that a kind of prior art disclosed as shown in Figure 1, this demonstration module 1 comprises a framework 110, a light guide plate 120, a diffusion sheet 130, one first prismatic lens 140, one second prismatic lens 150, a liquid crystal panel 160,170, three light-emitting components 180 of a printed circuit board (PCB) (Printed CircuitBoard) and a reflector plate 190.
This framework 110 has an accommodation section 111 and a slotted eye 112.Light guide plate 120 is arranged in this accommodation section 111, this diffusion sheet 130 is arranged on this light guide plate 120, this first prismatic lens 140 is arranged on this diffusion sheet 130, this second prismatic lens 150 is arranged on this first prismatic lens 140, this liquid crystal panel 160 is arranged on this second prismatic lens 150, and this reflector plate 190 is arranged at this framework 110 bottoms.This printed circuit board (PCB) 170 is that (Flexible Printed Circuit Board FPC), is electrically connected at 160, three light-emitting components 180 of this liquid crystal panel and is arranged on this printed circuit board (PCB) 170 flexible circuit board, and this light-emitting component 180 is light emitting diodes.
When this shows module 1 assembling, this printed circuit board (PCB) 170 bends and extends to from the upper surface of framework 110 lower surface of framework 110 downwards, coat the slotted eye 112 of framework 110, and utilize the sticking works usefulness of double sticky tape, this printed circuit board (PCB) 170 is fixed on this framework 110.After assembling is finished, be arranged at three light-emitting components 180 on this printed circuit board (PCB) 170 and be arranged in the slotted eye 112 of framework 110, and these three light-emitting components 180 electrically connect with this printed circuit board (PCB) 170, and this light-emitting component 180 adopts the lateral emitting mode light to be imported the light entrance face (not indicating) of light guide plate 120.
This kind design is because this printed circuit board (PCB) 170 needs reflexed, thus printed circuit board (PCB) 170 very property must be lower.Very the lower printed circuit board (PCB) 170 of property certainly will cause difficulty to effective location of light-emitting component 180.This printed circuit board (PCB) 170 easily causes that because of shaking or clashing into light-emitting component 180 misplaces.Because the light that light-emitting component 180 penetrates is from the appropriate location incident of light guide plate 120 incidence surfaces, can effectively this light be imported light guide plate 120 and be transferred to liquid crystal panel 160, so when light-emitting component 180 dislocation, can cause the incident ray loss, influence the picture display quality of liquid crystal panel 160.And because this printed circuit board (PCB) 170 utilizes the gummed mode that flexible circuit board is combined with framework, therefore, sticker must enough glue to prevent flexible circuit board resilience protuberance.When if printed circuit board (PCB) 170 has the circuit component of higher density because of circuit design, also the welding job to light-emitting component 180 causes difficulty, influences the product yield.
Therefore, improve the structure of printed circuit board (PCB) 170, effectively locate light-emitting component 180 to the appropriate location, it is essential increasing the incident light utilization real.
[summary of the invention]
For the demonstration module that overcomes prior art causes light-emitting component dislocation and the lost problem of light because of shaking or clashing into easily, be necessary to provide the demonstration module of a kind of effective location light-emitting component and raising light utilization.
A kind of demonstration module, it comprises a framework, one has the light guide plate of light entrance face, one display panel, one printed circuit board (PCB) and at least one light-emitting component, this light guide plate is housed in this framework, this printed circuit board (PCB) comprises a main circuit district and at least one light source setting area, this main circuit district is electrically connected to this display panel, and this light-emitting component is arranged on this light source setting area, and electrically connects with this printed circuit board (PCB), and the light entrance face of this light-emitting component and light guide plate is oppositely arranged, it is characterized in that: this printed circuit board (PCB) is the circuit board of a kind of soft zone and rigid regional combination, and this main circuit district is positioned at soft zone, and this light source setting area is positioned at rigid zone.
Compared to prior art, in the above-mentioned demonstration module, light-emitting component directly is integrated on the printed circuit board (PCB) with the connecting circuit that drives display panel, the hard circuit board that utilizes the light source setting area is light-emitting component effectively fixedly, the rigid area circuit plate that utilizes the light source setting area to the appropriate location, and further increases the incident light utilization with effectively fixing light-emitting component.
[description of drawings]
Fig. 1 is the perspective exploded view that a kind of prior art shows module.
Fig. 2 is that the present invention shows a kind of embodiment perspective exploded view of module.
Fig. 3, Fig. 4 are the assembling synoptic diagram of demonstration module shown in Figure 2.
Fig. 5 is the broken section enlarged diagram of demonstration module shown in Figure 2 along the V-V line.
Fig. 6 is the part section enlarged diagram of demonstration module shown in Figure 2 along the V-V line.
[embodiment]
Please refer to Fig. 2, is a kind of perspective exploded view that shows the module embodiment.This demonstration module 2 comprises a framework 210, a light guide plate 220, a diffusion sheet 230, one first prismatic lens 240, one second prismatic lens 250, a shading rubber belt 200, a display panel 260, a printed circuit board (PCB) 270, three light-emitting components 280 and a reflector plate 290.
This framework 210 comprises an accommodation section 211, one slotted eye, 212, one depressed parts 213 and a breach 214, wherein accommodation section 211 is framework 210 hollow spaces, slotted eye 212 is located in the depressed part 213, and breach 214 is located on the framework cross rib 215 between accommodation section 211 and the depressed part 213.
The side of this light guide plate 220 is provided with plurality of bump (not indicating), and this light guide plate 220 is fixed in the tenon mode of closing in the accommodation section 211 of this framework 210, and wherein the light entrance face 221 of this light guide plate 220 is near the breach 214 of framework 210.This reflector plate 290 is located at below this light guide plate 220.The side of this diffusion sheet 230, first prismatic lens 240, second prismatic lens 250 is provided with plurality of bump (not indicating), and this projection is corresponding with the projection of light guide plate 220, wherein this diffusion sheet 230 is located on this light guide plate 220, this first prismatic lens 240 is located on this diffusion sheet 230, and this second prismatic lens 250 is located on this first prismatic lens 240.This shading rubber belt 200 is located on this second prismatic lens 250, and this shading rubber belt 200 is hollow square frames, and hollow region is with transmitted light.This display panel 260 is located on this framework 210.This printed circuit board (PCB) 270 is a soft or hard combined circuit plate (Rigid/Flexible PrintedCircuit Board), soft or hard combined circuit plate is a kind of circuit board, the characteristics of this kind circuit board are that the conductive layer of flexible circuit board and hard circuit board electrically connects, be pressed on hard circuit board by flexible circuit board, and from the extended connected mode of hard circuit board, flexible circuit board and hard circuit board are integrated, and it is with the feature of flexible circuit board and hard circuit board.And this printed circuit board (PCB) 270 electrically connects with this display panel 260.This light-emitting component 280 is arranged on this printed circuit board (PCB) 270, and this reflector plate 290 is arranged at this framework 210 bottoms.
This printed circuit board (PCB) 270 comprise one in order to the main circuit district 271 and that drives display panel 260 in order to the light source setting area 272 of light-emitting component 280 to be set, this light source setting area 272 is three zones that main circuit district 271 surrounds, each zone is provided with a light-emitting component 280, this main circuit district 271 is flexible circuit boards, have certain elasticity, can bend.This light source setting area 272 is hard circuit boards, has certain very property, and this printed circuit board (PCB) 270 and light-emitting component 280 combine, and this light-emitting component 280 electrically connects with this printed circuit board (PCB) 270.
Please refer to Fig. 3, Fig. 4, be this demonstration module 2 Assembly Action synoptic diagram.This printed circuit board (PCB) 270 is state before the bending in Fig. 3, this printed circuit board (PCB) 270 is bending back state in Fig. 4.
In assembling process, these printed circuit board (PCB) 270 1 ends are electrically connected at display panel 260, and bend downwards from the upper surface of framework 210, pass the slotted eye 212 of framework 210, to the lower surface of framework 210, coat the accommodation section 211 of framework 210 and framework cross rib 215 parts between the slotted eye 212.After assembling was finished, the printed circuit board (PCB) 270 after the bending formed an accommodation space, and breach 214 is contained in this accommodation space.
Be to analyse and observe enlarged diagram and section enlarged diagram with reference to Fig. 5, Fig. 6 in the lump please along the V-V line.After these printed circuit board (PCB) 270 bendings, this light source setting area 272 is perpendicular to the upper and lower surface of framework 210, and the sidewall of slotted eye 212 away from accommodation section 211 is close at the back side of this light source setting area 272, is parallel to the light entrance face 221 of light guide plate 220.The light-emitting component 280 that is arranged at light source setting area 272 is nested in the breach 214 of framework 210, the shape of this breach 214 and light-emitting component external form match, the inside surface of breach 214 fits in the surface of light-emitting component 280, the light-emitting area 281 of light-emitting component 280 is near the light entrance face 221 of light guide plate 220, and light source setting area 272 cooperates with the depressed part 213 of framework 210, and the light-emitting area of this light-emitting component 280 is relative with the light entrance face 221 of light guide plate 220.Because it is necessarily rigid that light source setting area 272 has, this printed circuit board (PCB) 270 can effectively be fixed together with framework 210, has advantage shock-resistant, against shock.
Simultaneously, can not that hard circuit board or light-emitting component 200 itself highly increase framework 230 thickness because of light source setting area 272.
When showing module 2 work, the shows signal that these printed circuit board (PCB) 270 outputs produce from display panel 260, and the light signal of light-emitting component 280 generations, the light of light-emitting component 280 luminous generations, part imports from the light entrance face 221 of light guide plate 220, part light is reflected into light guide plate 220 via reflector plate 290, and then injects display panel 260 via light guide plate 220.
In above-mentioned demonstration module, this printed circuit board (PCB) 270 also can be a flexible circuit board, applies one deck supporting material in the position of this light source setting area 272, improves the very property of this light source setting area 272.
In above-mentioned demonstration module, 271 surfaces, main circuit district of this printed circuit board (PCB) 270 can apply one deck reflective material, improve the light utilization of light-emitting component 280.271 surfaces, main circuit district of this printed circuit board (PCB) 270 can apply one deck and inhale the optical activity material, avoid light to form the bright line defective in light entrance face 221 sides of light guide plate 220.
In above-mentioned demonstration module, light-emitting component 280 is light emitting diodes, and this light emitting diode adopts the top illumination mode, and promptly this light-emitting area 281 is corresponding to the light entrance face 221 of this light guide plate 220; This display panel 260 is a display panels.
According to the above, the light-emitting component 280 of being located at light source setting area 272 is between display panel 260 and framework 210, be embedded in simultaneously in the breach 214 of framework 210, therefore, light-emitting component 280 is combined with light guide plate 220 edges, light-emitting component 280 utilizes display panel 260 and 210 original spaces of framework simultaneously, and is embedded in the structure in the framework 210, does not influence the thickness that shows module 2.
Claims (10)
1. one kind shows module, it comprises: a framework, one has the light guide plate of light entrance face, one display panel, one printed circuit board (PCB) and at least one light-emitting component, this light guide plate is housed in this framework, this printed circuit board (PCB) comprises a main circuit district and at least one light source setting area, this main circuit district is electrically connected to this display panel, and this light-emitting component is arranged on this light source setting area, and electrically connects with this printed circuit board (PCB), and the light entrance face of this light-emitting component and light guide plate is oppositely arranged, it is characterized in that: this printed circuit board (PCB) is the circuit board of a kind of soft zone and rigid regional combination, and this main circuit district is positioned at soft zone, and this light source setting area is positioned at rigid zone.
2. demonstration module as claimed in claim 1 is characterized in that: this framework also comprises a slotted eye and a cross rib, and this slotted eye is arranged on the frame of this framework, and this cross rib is the frame part between this slotted eye and this accommodation section, and this printed circuit board (PCB) runs through this slotted eye.
3. demonstration module as claimed in claim 2, it is characterized in that: this framework also comprises a depressed part and at least one breach, and this depressed part is arranged in this slotted eye, and this breach is arranged on this cross rib, this depressed part is accommodated this light source setting area, and this light-emitting component is nested in this breach.
4. demonstration module as claimed in claim 1 is characterized in that: this light-emitting component is a light emitting diode, and the light-emitting area of this light emitting diode is corresponding to the light entrance face of this light guide plate.
5. demonstration module as claimed in claim 1 is characterized in that: a plurality of zones that the light source setting area of this printed circuit board (PCB) is surrounded by this main circuit district, each regional correspondence is provided with a light-emitting component.
6. demonstration module as claimed in claim 1 is characterized in that: the light source setting area of this printed circuit board (PCB) is a hard circuit board.
7. demonstration module as claimed in claim 1 is characterized in that: the light source setting area of this printed circuit board (PCB) is one to be provided with the flexible circuit board of supporting material layer.
8. demonstration module as claimed in claim 1 is characterized in that: this demonstration module also comprises a blooming piece, and this blooming piece is arranged between this display panel and this light guide plate.
9. demonstration module as claimed in claim 1 is characterized in that: this demonstration module also comprises a reflector plate, and this reflector plate is arranged at the bottom surface of this light guide plate.
10. demonstration module as claimed in claim 1 is characterized in that: this light is parallel to this light entrance face along the setting area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101017439A CN1971344A (en) | 2005-11-24 | 2005-11-24 | Display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101017439A CN1971344A (en) | 2005-11-24 | 2005-11-24 | Display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1971344A true CN1971344A (en) | 2007-05-30 |
Family
ID=38112246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101017439A Pending CN1971344A (en) | 2005-11-24 | 2005-11-24 | Display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1971344A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949498A (en) * | 2010-09-07 | 2011-01-19 | 友达光电股份有限公司 | Light-emitting element, backlight module and liquid crystal display device |
| TWI425279B (en) * | 2010-08-31 | 2014-02-01 | Au Optronics Corp | Light emitting assembly, backlight module and liquid crystal display apparatus |
| CN107643635A (en) * | 2017-09-27 | 2018-01-30 | 惠科股份有限公司 | Display device and its earthing or grounding means |
-
2005
- 2005-11-24 CN CNA2005101017439A patent/CN1971344A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI425279B (en) * | 2010-08-31 | 2014-02-01 | Au Optronics Corp | Light emitting assembly, backlight module and liquid crystal display apparatus |
| CN101949498A (en) * | 2010-09-07 | 2011-01-19 | 友达光电股份有限公司 | Light-emitting element, backlight module and liquid crystal display device |
| CN101949498B (en) * | 2010-09-07 | 2013-09-18 | 友达光电股份有限公司 | Light-emitting element, backlight module and liquid crystal display device |
| CN107643635A (en) * | 2017-09-27 | 2018-01-30 | 惠科股份有限公司 | Display device and its earthing or grounding means |
| CN107643635B (en) * | 2017-09-27 | 2023-10-20 | 惠科股份有限公司 | Display device and grounding device thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |