CN1924665A - Backlight module and liquid crystal display module - Google Patents
Backlight module and liquid crystal display module Download PDFInfo
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- CN1924665A CN1924665A CN 200510098538 CN200510098538A CN1924665A CN 1924665 A CN1924665 A CN 1924665A CN 200510098538 CN200510098538 CN 200510098538 CN 200510098538 A CN200510098538 A CN 200510098538A CN 1924665 A CN1924665 A CN 1924665A
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- location division
- light guide
- guide plate
- backlight module
- reflex housing
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Abstract
This invention relates to LDC module, which comprises aphototropism module and its panel, wherein, the module comprises light guide board, reflection cover and light source and the guide board has first surface with one fix part; the reflection cover is set on one side of the guide board with one binding surface relative to the first fix part and the second fix part is crossed with the first fix part; besides, the light source is set between the light guide board and reflection cover and the light source is of cold catholde lamp or light diode.
Description
Technical field
The present invention relates to a kind of Backlight module and liquid crystal display module, and be particularly related to and a kind ofly have the backlight module of good light source stability and have the LCD MODULE of this backlight module.
Background technology
Along with the modern video development of technology, video equipment is gradually towards trend development such as in light weight, that size is big and panel is thin.Cooperate the flat-panel screens (Flat Panel Display) that photoelectricity and semiconductor fabrication developed, for example LCD (LCD), organic light emitting display (OLED) or plasma display (PDP) etc. become the main flow of display product gradually.In recent years, display screen on most mobile phone, digital camera, Digital Video, notebook and the desk-top computer is a main flow with display panels (LCD Panel) all, but because display panels itself does not have luminous function, so below display panels, usually must dispose a backlight module (Backlight Module) providing liquid crystal panel required area source, and then make liquid crystal panel reach the function of demonstration.
Fig. 1 is a kind of synoptic diagram of known backlight module.As shown in Figure 1, backlight module 10 mainly is made up of light guide plate 11, reflex housing 12 and light source 13, and wherein reflex housing 12 is arranged on a side of light guide plate 11, and light source 13 is arranged between reflex housing 12 and the light guide plate 11 to form backlight module 10.Yet when backlight module 10 assemblings, easily because the error of assembling process; Or after backlight module 10 assembling is finished, because cause the skew or the inclination of light guide plate 11 in the backlight module 10 during the impact of external force.And the skew of this light guide plate 11 or inclination will influence the stability of light source 13 in the backlight module 10, and then influence the display quality of LCD MODULE.
Summary of the invention
In view of this, purpose of the present invention just provides a kind of backlight module with good light source stability.
Another object of the present invention just provides a kind of LCD MODULE with good display quality.
Based on above-mentioned or other purpose, the present invention proposes a kind of backlight module, and this backlight module comprises light guide plate, reflex housing and light source at least, and wherein light guide plate has first surface, and first surface has first location division.And reflex housing is arranged on a side of light guide plate, and reflex housing has the composition surface, and wherein this composition surface has second location division corresponding to place, first location division, and second location division is suitable for holding mutually with first location division.In addition, light source is arranged between light guide plate and the reflex housing, and light source for example is cathode fluorescent tube or light emitting diode.
In an embodiment of the present invention, first location division for example is a projection, and the shape of second location division is corresponding with the quantity and first location division, and therefore second location division for example is depression or perforate.And in another embodiment of the present invention, first location division can for example be the depression, and with corresponding second location division, first location division for example be the projection.
In an embodiment of the present invention, light guide plate also can have the second surface with respect to first surface, and second surface has the 3rd location division, and the composition surface has the 4th location division with corresponding section, the 3rd location division, and wherein the 4th location division is suitable for holding mutually with the 3rd location division.That is to say that when first location division for example is a projection, and second location division for example is a depression or during perforate; The 3rd location division for example is a projection, and the 4th location division for example is depression or perforate.Perhaps, when first location division for example is a projection, and second location division for example is a depression or during perforate; The 3rd location division for example is a depression, and the 4th location division for example is a projection.
In an embodiment of the present invention, light guide plate also can have the second surface with respect to first surface, and second surface has the 3rd location division, and composition surface and corresponding section, the 3rd location division have the 4th location division, and wherein the 4th location division is suitable for holding mutually with the 3rd location division.That is to say that when first location division for example is a depression, and second location division is when for example being projection; The 3rd location division for example is a projection, and the 4th location division for example is depression or perforate.Perhaps, when first location division for example is a depression, and second location division is when for example being projection; The 3rd location division for example is a depression, and the 4th location division for example is a projection.
The present invention proposes a kind of LCD MODULE in addition, and this LCD MODULE comprises backlight module and display panels.This backlight module comprises light guide plate, reflex housing and light source, and wherein light guide plate has first surface, and first surface has first location division.And reflex housing is arranged on a side of light guide plate, and reflex housing has a composition surface, and this composition surface has second location division corresponding to place, first location division, and second location division is suitable for holding mutually with first location division.In addition, light source is arranged between light guide plate and the reflex housing, and light source for example is cathode fluorescent tube or light emitting diode.
In an embodiment of the present invention, first location division for example is a projection, and second location division for example is depression or perforate.And in another embodiment of the present invention, first location division for example is a depression, and second location division for example is a projection.
In an embodiment of the present invention, light guide plate also can have the second surface with respect to first surface, and second surface has the 3rd location division, and the composition surface has the 4th location division with corresponding section, the 3rd location division, and wherein the 4th location division is suitable for holding mutually with the 3rd location division.That is to say that when first location division for example is a projection, and second location division for example is a depression or during perforate; The 3rd location division for example is a projection, and the 4th location division for example is depression or perforate.Perhaps, when first location division for example is a projection, and second location division for example is a depression or during perforate; When the 3rd location division for example is depression, and the 4th location division for example is a projection.
In an embodiment of the present invention, light guide plate also can have the second surface with respect to first surface, and second surface has the 3rd location division, and composition surface and corresponding section, the 3rd location division have the 4th location division, and wherein the 4th location division is suitable for can holding mutually with the 3rd location division.That is to say that when first location division for example is a depression, and second location division is when for example being projection; The 3rd location division for example is a projection, and the 4th location division for example is depression or perforate.Perhaps, when first location division for example is a depression, and second location division is when for example being projection; The 3rd location division for example is a depression, and the 4th location division for example is a projection.
In an embodiment of the present invention, LCD MODULE for example also comprises blooming piece, and this blooming piece for example is prismatic lens, brightening piece or diffusion sheet, and it is configured between backlight module and the display panels.
Based on above-mentioned, in Backlight module and liquid crystal display module of the present invention, designing respectively on reflex housing and the light guide plate has and can cooperatively interact, to reach the location structure of locating effect.By holding mutually between these location divisions, can increase the steadiness between light guide plate and the reflex housing.Thus, light guide plate just can be because of not suffering the situation of external force run-off the straight or displacement, and can increase the light source stability of backlight module, and then make LCD MODULE be kept superior display quality.
State with other purpose, feature and advantage and can become apparent on the present invention for allowing, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is a kind of synoptic diagram of known backlight module.
Fig. 2 is the assembling synoptic diagram of the backlight module of first embodiment of the invention.
Fig. 3 and Fig. 4 are respectively the assembling synoptic diagram of the backlight module of other embodiment of the present invention.
Fig. 5 is the assembling synoptic diagram of the backlight module of second embodiment of the invention.
Fig. 6 is the assembling synoptic diagram of the another kind of backlight module of preferred embodiment of the present invention.
Fig. 7 is the assembling synoptic diagram of another backlight module of preferred embodiment of the present invention.
Fig. 8～Figure 13 is respectively other embodiment of the present invention designs dissimilar location divisions on light guide plate and reflex housing backlight module synoptic diagram.
Figure 14 is the synoptic diagram of a kind of LCD MODULE of the present invention.
The main element description of symbols
10: backlight module
11: light guide plate
12: reflex housing
13: light source
100: backlight module
110: light guide plate
112,114: the surface
112a, 114b, 122a, 122b: location division
120: reflex housing
122: the composition surface
130: light source
140: framework
150: blooming piece
200: display panels
300: LCD MODULE
Embodiment
First embodiment
Fig. 2 is the assembling synoptic diagram of the backlight module of first embodiment of the invention.As shown in Figure 2, backlight module 100 mainly comprises members such as light guide plate 110, reflex housing 120 and light source 130.Wherein, reflex housing 120 is arranged on a side of light guide plate 110, and light source 130 is arranged between light guide plate 110 and the reflex housing 120, and light source 130 for example is cathode fluorescent tube or light emitting diode.It should be noted that, the present invention designs the location structure that cooperatively interacts respectively on light guide plate 110 and reflex housing 120, with by these location structures holding mutually each other, fix the relative position of light guide plate 110 and reflex housing 120, to reach the effect of location.
As shown in Figure 2, light guide plate 110 has surface 112, and has location division 112a on the surface 112.In the present embodiment, the shape of this location division 112a for example is a projection.In addition, have the composition surface 122 that engages with light guide plate 110 on the reflex housing 120, and the position corresponding to the location division 112a of light guide plate 110 there is a location division 122a on composition surface 122.In the present embodiment, the shape of this location division 122a for example is perforate.So, when reflex housing 120 is assembled on the light guide plate 110, location division 112a can correspondence be held in the 122a of location division, and by this location division 122a and location division 112a is structural cooperatively interacts, can make light guide plate 110 and reflex housing 120 reach the effect of location.
In addition, though the location division 112a that the foregoing description is lifted for example is a projection, and location division 122a for example is perforate, and so it is not in order to limit the present invention.Please refer to Fig. 3 and Fig. 4, it is respectively the assembling synoptic diagram of the backlight module of other embodiment of the present invention.As shown in Figure 3, the location division 112a on the light guide plate 110 can for example be a projection, and the location division 122a on the reflex housing 120 for example is a depression.In addition, as shown in Figure 4, the location division 112a on the light guide plate 110 for example is a depression, and the location division 122a on the reflex housing 120 for example is a projection.
Above-mentioned a plurality of embodiment forms the location structure that can hold mutually on the composition surface of light guide plate 110 and reflex housing 120, it for example is designs such as projection collocation depression or perforate, with the steadiness of raising light guide plate 110 with reflex housing 120.Certainly, except can be light guide plate 110 and reflex housing 120 one-sided formation location structures, the present invention can also be simultaneously at the relative both sides formation location structure of light guide plate 110 with reflex housing 120, to reach better locating effect.
Second embodiment
Fig. 5 is the assembling synoptic diagram of the backlight module of second embodiment of the invention.Please refer to Fig. 5, light guide plate 110 has two surfaces 112 and 114 relatively, has location division 112a and 114b respectively on wherein surperficial 112 and 114.In the present embodiment, the shape of location division 112a and 114b for example is a projection.
Hold above-mentionedly, the composition surface 122 of reflex housing 120 has respectively corresponding to the location division 112a of light guide plate 110 and location division 122a and the 122b of 114b.In the present embodiment, the shape of location division 122a and 122b for example is perforate.By location division 122a, the 122b of reflex housing 120 and structural each other the cooperatively interacting of location division 112a, 114b of its corresponding respectively light guide plate 110, the effective relative position of lightguide plate fixing 110 and reflex housing 120.
It should be noted that, the present embodiment and the first embodiment difference are that the light guide plate 110 among first embodiment only has location division 112a in the one side, and when for example being projection as if location division 112a, reflex housing 120 has on the position corresponding to location division 112a one side and the corresponding location division 122a of 112a structure, and promptly location division 122a for example is perforate or depression.And in the present embodiment, light guide plate 110 all has location division 112a, 114b in its both sides, if 112a, 114b for example are respectively projectioies, on reflex housing 120, have location division 122a and location division 122b that structure and position correspond to location division 112a, 114b, and location division 122a, 122b for example are perforates respectively.
Same, the present invention also can enumerate the location structure of the multiple different kenels that can arrange in pairs or groups mutually, will be in hereinafter illustrating.
Fig. 6 is the assembling synoptic diagram of the another kind of backlight module of preferred embodiment of the present invention.In the present embodiment, the location division 112a of light guide plate 110 and 114b for example are projectioies, and the location division 122a corresponding to the location division 112a of light guide plate 110 for example is perforate on the composition surface 122 of reflex housing 120, and then for example is a depression corresponding to the location division 122b of the location division 114b of light guide plate 110.
In addition, Fig. 7 is the assembling synoptic diagram of another backlight module of preferred embodiment of the present invention.In the present embodiment, the location division 112a of light guide plate 110 for example is a projection, and location division 114b for example is a depression.In addition, the location division 122a corresponding to the location division 112a of light guide plate 110 on the composition surface 122 of reflex housing 120 for example is perforate, and then for example is projection corresponding to the location division 122b of the location division 114b of light guide plate 110.
Can know that by the foregoing description location division 112a, the 114b of light guide plate 110 of the present invention can have multiple different variation and combination with the kenel of the location division 122a of reflex housing 120 and location division 122b.For example, when the location division of light guide plate 110 112a for example was projection, its pairing location division 122a can be perforate or depression.In addition, when the location division of light guide plate 110 112a for example was depression, the collocation of its pairing location division 122a can be projection.Similarly, the location division 122b of the location division 114b of light guide plate 110 and pairing reflex housing 120 thereof also can adopt aforesaid collocation mode.
Except the foregoing description, the present invention also for example can enumerate following a plurality of embodiment.
As shown in Figure 8, location division 112a on the light guide plate 110 and 114b for example are projectioies, and the location division 122a on the reflex housing 120 for example is a depression, and 122b for example is perforate.Wherein, location division 112a is corresponding with 122a, and location division 114b is corresponding with 122b.
As shown in Figure 9, location division 112a on the light guide plate 110 and 114b for example are projectioies, and location division 122a on the reflex housing 120 and 122b for example are depressions.Wherein, location division 112a is corresponding with location division 122a, and location division 114b is corresponding with location division 122b.
As shown in figure 10, the location division 112a on the light guide plate 110 for example is a projection, and location division 114b for example is a depression.And the location division 122a on the reflex housing 120 for example is a depression, and location division 122b for example is a projection.Wherein, location division 112a is corresponding with location division 122a, and location division 114b is corresponding with location division 122b.
As shown in figure 11, the location division 112a on the light guide plate 110 for example is a depression, and location division 114b for example is a projection.And the location division 122a on the reflex housing 120 for example is a projection, and location division 122b for example is perforate.Wherein, location division 112a is corresponding with location division 122a, and location division 114b is corresponding with location division 122b.
As shown in figure 12, the location division 112a on the light guide plate 110 for example is a depression, and location division 114b for example is a projection.And the location division 122a on the reflex housing 120 for example is a projection, and location division 122b for example is a depression.Wherein, location division 112a is corresponding with location division 122a, and location division 114b is corresponding with location division 122b.
As shown in figure 13, location division 112a on the light guide plate 110 and 114b for example are depressions.And location division 122a on the reflex housing 120 and location division 122b for example are projectioies.Wherein, location division 112a is corresponding with location division 122a, and location division 114b is corresponding with location division 122b.
It should be noted that; location structure on light guide plate of the present invention and the reflex housing is not limited to adopt above-mentioned perforate, depression and protruding isostructural collocation; and the quantity of location structure does not also limit; other can be by reaching structural shaped design and cooperating of quantity locating effect between light guide plate and reflex housing, all should be in protection domain of the present invention.
Figure 14 is the synoptic diagram of a kind of LCD MODULE of the present invention.As shown in figure 14, LCD MODULE 300 is made of above-mentioned backlight module 100 and the display panels 200 that is arranged on the backlight module 100.Wherein, the main member of backlight module 100 and the placement location of member have described in detail as above, just repeat no more at this.And in LCD MODULE 300 of the present invention, also can outside backlight module 100, utilize framework 140 to coat backlight module 100.In addition, between display panels 200 and backlight module 100, blooming piece 150 can also be set, and this blooming piece 150 for example is prismatic lens, brightening piece or diffusion sheet.
In sum, no matter be above-mentioned which kind of design, as long as the location division on light guide plate and the reflex housing can structure cooperatively interact and the position in correspondence with each other, for example the location division on the light guide plate is opening or depression, location division on the reflex housing is a projection, and perhaps for example the location division on the light guide plate be protruding, and the location division on the reflex housing is opening or depression, the location division of light guide plate and the location division of reflex housing are held mutually, make light guide plate and reflex housing structure after assembling more firm.Therefore, even when light guide plate suffers from the impact of external force, can not produce skew easily yet or tilt.In other words, even backlight module or LCD MODULE are when being subjected to external impacts, still can keep firm engaging between light guide plate and the reflex housing, therefore can effectively improve the light source stability of backlight module, and make LCD MODULE possess good display quality.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any person of ordinary skill in the field; without departing from the spirit and scope of the invention; when can doing a little change and improvement, so the present invention's protection domain is as the criterion when looking the claim person of defining.
Claims (18)
1. backlight module is characterized in that comprising:
Light guide plate, this light guide plate has first surface, and this first surface has first location division;
Reflex housing, this reflex housing are arranged on a side of this light guide plate, and this reflex housing has a composition surface, and wherein this composition surface has one second location division corresponding to this place, first location division, and this second location division is suitable for holding mutually with this first location division; And
Light source, it is arranged between this light guide plate and this reflex housing.
2. backlight module according to claim 1 is characterized in that this first location division comprises projection, and this second location division comprises depression or perforate.
3. backlight module according to claim 2, it is characterized in that this light guide plate has the second surface with respect to this first surface, and this second surface has the 3rd location division, and this composition surface and corresponding section, the 3rd location division have the 4th location division, and wherein the 4th location division is suitable for holding mutually with the 3rd location division.
4. backlight module according to claim 3 is characterized in that the 3rd location division comprises projection, and the 4th location division comprises depression or perforate.
5. backlight module according to claim 3 it is characterized in that the 3rd location division comprises depression, and the 4th location division comprises projection.
6. backlight module according to claim 1 it is characterized in that this first location division comprises depression, and this second location division comprises projection.
7. backlight module according to claim 6, it is characterized in that this light guide plate has the second surface with respect to this first surface, and this second surface has the 3rd location division, and this composition surface and corresponding section, the 3rd location division have the 4th location division, and wherein the 4th location division is suitable for holding mutually with the 3rd location division.
8. backlight module according to claim 7 is characterized in that the 3rd location division comprises projection, and the 4th location division comprises depression or perforate.
9. backlight module according to claim 7 it is characterized in that the 3rd location division comprises depression, and the 4th location division comprises projection.
10. LCD MODULE comprises:
Backlight module comprises:
Light guide plate, this light guide plate has first surface, and this first surface has first location division;
Reflex housing, this reflex housing are arranged on a side of this light guide plate, and this reflex housing has the composition surface, and wherein this composition surface has second location division corresponding to this place, first location division, and this second location division is suitable for holding mutually with this first location division;
Light source, it is arranged between this light guide plate and this reflex housing; And
Display panels is arranged on this backlight module.
11. LCD MODULE according to claim 10 is characterized in that this first location division comprises projection, and this second location division comprises depression or perforate.
12. LCD MODULE according to claim 11, it is characterized in that this light guide plate has the second surface with respect to this first surface, and this second surface has the 3rd location division, and this composition surface and corresponding section, the 3rd location division have the 4th location division, and wherein the 4th location division is suitable for holding mutually with the 3rd location division.
13. LCD MODULE according to claim 12 is characterized in that the 3rd location division comprises projection, and the 4th location division comprises depression or perforate.
14. LCD MODULE according to claim 12 it is characterized in that the 3rd location division comprises depression, and the 4th location division comprises projection.
15. LCD MODULE according to claim 10 it is characterized in that this first location division comprises depression, and this second location division comprises projection.
16. LCD MODULE according to claim 15, it is characterized in that this light guide plate has the second surface with respect to this first surface, and this second surface has the 3rd location division, and this composition surface and corresponding section, the 3rd location division have the 4th location division, and wherein the 4th location division is suitable for holding mutually with the 3rd location division.
17. LCD MODULE according to claim 16 is characterized in that the 3rd location division comprises projection, and the 4th location division comprises depression or perforate.
18. backlight module according to claim 16 it is characterized in that the 3rd location division comprises depression, and the 4th location division comprises projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510098538 CN1924665A (en) | 2005-09-02 | 2005-09-02 | Backlight module and liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510098538 CN1924665A (en) | 2005-09-02 | 2005-09-02 | Backlight module and liquid crystal display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1924665A true CN1924665A (en) | 2007-03-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510098538 Pending CN1924665A (en) | 2005-09-02 | 2005-09-02 | Backlight module and liquid crystal display module |
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| Country | Link |
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| CN (1) | CN1924665A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441358B (en) * | 2007-11-19 | 2010-11-17 | 奇力光电科技股份有限公司 | Backlight module unit |
| CN101299110B (en) * | 2007-04-30 | 2012-03-07 | 奇美电子股份有限公司 | Back light module unit and display apparatus with the same |
| CN101377589B (en) * | 2007-08-27 | 2012-03-21 | 奇美电子股份有限公司 | Backlight module unit and LCD device using the same |
| WO2016078129A1 (en) * | 2014-11-17 | 2016-05-26 | 深圳市华星光电技术有限公司 | Light guide plate, backlight module and display |
| CN108427156A (en) * | 2018-03-07 | 2018-08-21 | 上海摩软通讯技术有限公司 | Rimless display module and terminal device with it |
-
2005
- 2005-09-02 CN CN 200510098538 patent/CN1924665A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299110B (en) * | 2007-04-30 | 2012-03-07 | 奇美电子股份有限公司 | Back light module unit and display apparatus with the same |
| CN101377589B (en) * | 2007-08-27 | 2012-03-21 | 奇美电子股份有限公司 | Backlight module unit and LCD device using the same |
| CN101441358B (en) * | 2007-11-19 | 2010-11-17 | 奇力光电科技股份有限公司 | Backlight module unit |
| WO2016078129A1 (en) * | 2014-11-17 | 2016-05-26 | 深圳市华星光电技术有限公司 | Light guide plate, backlight module and display |
| CN108427156A (en) * | 2018-03-07 | 2018-08-21 | 上海摩软通讯技术有限公司 | Rimless display module and terminal device with it |
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