CN1532604A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN1532604A CN1532604A CNA031079253A CN03107925A CN1532604A CN 1532604 A CN1532604 A CN 1532604A CN A031079253 A CNA031079253 A CN A031079253A CN 03107925 A CN03107925 A CN 03107925A CN 1532604 A CN1532604 A CN 1532604A
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- liquid crystal
- crystal indicator
- light source
- display panels
- guide plate
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The LCD device includes one LCD panel, one back light unit set below the LCD panel, and one carrier bezel for assembling the LCD panel and the back light unit. The carrier bezel includes several alignment devices set in its upper inside for fixing the LCD panel inside the carrier bezel.
Description
Technical field
The invention provides a kind of liquid crystal indicator (liquid crystal display device, LCDdevice), refer to a kind of a plurality of liquid crystal indicators that a display panels (LCD panel) can be fixed in the locating device within the carrying frame (carrier bezel) with horizontal direction (laterally) that include especially.
Background technology
Module backlight is one of key part and component of lcd products, has been widely used at present on digital still camera, numerical digit personal assistant (PDA), satellite navigation system, computer monitor and the flat-surface television.Generally speaking, the module backlight that is used for lcd products has a light source generator (light sourcegenerator) and a diffuser plate (diffusing plate), to provide a homodisperse light, form suitable image by the pixel electrode on the control display panel again to this display panel.Wherein, module backlight can be according to the position of light source, is divided into light source and produces from (direct illuminance) module backlight of the straight-down negative under the display panel or light source near the side-light type the display panel side (edgelight) module backlight.Because side-light type module backlight is a side of light source generator being located at light guide plate, need can be applicable to the liquid crystal display product of reduced size, therefore favored day by day.
Please refer to Fig. 1, Fig. 1 is known liquid crystal indicator (liquid crystal display device, LCDdevice) 10 a decomposing schematic representation.As shown in Figure 1, liquid crystal indicator 10 includes a display panels (LCD panel) 12, and is located at the module backlight of display panels 12 belows (back light unit, BLU) the 14 and one carrying frame (carrier bezel) 16 in order to assembling (assemble) display panels 12 and module 14 backlight.
Usually, display panels 12 is in order to show that an image and its outside normally are made of a glass shell, module 14 backlight then includes a light guide plate, and (light guide plate, LGP) 18, one light source generator (light source generator) 20, of being located at a side of light guide plate 18 reflecting plate (reflecting sheet) 22, of being located at the below of light guide plate 18 is located at diffuser plate (diffusing plate) 24 and at least one prism (prism) 26 of being located at diffuser plate 24 tops of the top of light guide plate 18.Light source generator 20 is used to provide a light source, and normally a light emitting diode (light emitting diode, LED) or a cathode fluorescent tube (cold cathode fluorescent lamp, CCFL).Reflecting plate 22 is to have the thin slice of metal material to be constituted by a surface-coated, upwards reflects (reflect) to light guide plate 18 in order to the light source that light source generator 20 is produced, and light guide plate 18 then can scatter to this light source diffuser plate 24.Diffuser plate 24 be in order to scattering (scatter) that this light source is made progress to display panels 12, prism 26 then is this light source that is scattered in order to correction, makes it have a uniform irradiation intensity (intensity).Carrying frame 16 one is constituted and is had the frame of elasticity (elastic) by metal or plastic cement, and includes a plurality of two relative lower sides that are positioned at, in order to the baffle plate 28 of support display panels 12 and module 14 backlight.
Please refer to Fig. 2, Fig. 2 is assembled in display panels 12 and module 14 backlight when interior for the carrying frame 16 among Fig. 1, along the diagrammatic cross-section of a-a ' axle.As shown in Figure 2, carrying frame 16 is except including a plurality of two relative lower sides that are positioned at, outside the baffle plate 28 that supports display panels 12 and module 14 backlight, other includes a plurality of locating devices (alignment device) 30 (not being shown among Fig. 1) and is located at corner (upper corner) on each of carrying frame 16.As shown in Figure 2, above-mentioned locating device 30 is to be a projection, and in the time of in display panels 12 and module 14 backlight are assembled in carrying frame 16, display panels 12 can upwards produce one first stress F1 to carrying frame 16.As previously mentioned because carrying frame 16 is to be a rubber-like frame, so the time locating device 30 can produce deformation slightly because of the extruding that is subjected to the first stress F1.Comparatively speaking, locating device 30 also can produce one corresponding to the first stress F1 and act on the second stress F2 of a upper surface 12a of display panels 12 at this moment, and with vertical direction (vertically) display panels 12 is fixed within the carrying frame 16.
Along with science and technology is showing improvement or progress day by day, every electronic product all develops towards compact sophistication direction, and therefore for liquid crystal display product, volume-diminishedization has been a unshakable necessary trend.Yet as shown in Figure 2, above-mentioned liquid crystal indicator 10 is to utilize the mode of the locating device 30 in four corners that are positioned at carrying frame 16 with downward extruding, and display panels 12 is fixed within the carrying frame 16 with vertical direction, therefore must have a space 32 between display panel 12 and the carrying frame 16, thereby cause the thickness of liquid crystal indicator 10 to increase.In addition, since by locating device 30 generation in order to the first stress F1 of vertical fixing display panel 12 only act on carrying frame 16 four corners but not with multiple spot uniformly mode act on the display panel 12, so have a greatly reduced quality naturally for the fixed effect of display panel 12.After long-time the use, each element is as easy as rolling off a log the be shifted phenomenon of (shifting) such as the light guide plate 18 of module 14 backlight, light source generator 20, reflecting plate 22, diffuser plate 24 and prism 26, cause the display quality of liquid crystal indicator 10 to decline to a great extent, have a strong impact on the competitive power of product on market.
Summary of the invention
Therefore fundamental purpose of the present invention is to provide a kind of liquid crystal indicator (liquidcrystal display device through improvement, LCD device), to solve the be shifted problem of (shifting) phenomenon of each item in the above-mentioned known liquid crystal indicator.
In a preferred embodiment of the invention, this liquid crystal indicator include a display panels (LCD panel), a module backlight (back light unit, BLU) and a carrying frame (carrierbezel).This module backlight is located at this display panels below, and this carrying frame is then in order to assembling (assemble) this display panels and this module backlight.This module backlight include a light guide plate (light guide plate, LGP), a light source generator (light sourcegenerator), of being located at a side of this light guide plate reflecting plate (reflecting sheet), of being located at the below of this light guide plate is located at diffuser plate (diffusing plate) and at least one prism (prism) of being located at this diffuser plate top of this light guide plate top.This carrying frame include a plurality of locating devices (alignment device) be located at this carrying frame one on inner surface, be used for fixing this display panels within this carrying frame with horizontal direction.
Owing to liquid crystal indicator of the present invention is to utilize the locating device of tool horizontal direction stress to apply one first stress F3 on an outer surface of this display panels through multiple spot fifty-fifty, this display panels is fixed within this carrying frame, can avoid the phenomenon of each element generation displacement such as light guide plate, light source generator, reflecting plate, diffuser plate and prism of module backlight, so guaranteed the display quality of liquid crystal indicator.In addition, because locating device of the present invention is to be positioned on the last inner surface of this carrying frame, therefore the making of this carrying frame can be adopted lower-cost plane ejection forming technique, and the locating device that utilizes tool horizontal direction stress of the present invention more can reduce liquid crystal indicator thickness, be beneficial to the trend of display slimming, and then significantly promote the competitive power of product on market.
Description of drawings
Fig. 1 is the decomposing schematic representation of original liquid crystal indicator.
Fig. 2 is assembled in display panels 12 and module 14 backlight when interior for the carrying frame 16 among Fig. 1, along the diagrammatic cross-section of a-a axle.
Fig. 3 is the decomposing schematic representation of liquid crystal indicator of the present invention.
Fig. 4 be carrying frame 56 among Fig. 3 in the preferred embodiments of the present invention, the local enlarged diagram in the time of in display panels 52 and module 54 backlight not being assembled in as yet.
Fig. 5 to Fig. 7 be carrying frame 56 among Fig. 3 in other embodiment of the present invention, the local enlarged diagram in the time of in display panels 52 and module 54 backlight not being assembled in as yet.
Fig. 8 is assembled in display panels 52 and module 54 backlight when interior for the carrying frame 56 among Fig. 4, along the diagrammatic cross-section of b-b axle.
Description of reference numerals
10 liquid crystal indicators, 12 display panels
12a upper surface 14 modules backlight
16 carrying frames, 18 light guide plate
20 light source generators, 22 reflecting plates
24 diffuser plates, 26 prisms
28 baffle plates, 30 locating devices
32 space F1, first stress
F2 second stress 50 liquid crystal indicators
52 display panels 52a are then surperficial outward
54 module 56 carrying frames backlight
Last inner surface 58 light guide plate of 56a
60 light source generators, 62 reflecting plates
64 diffuser plates, 66 prisms
68 baffle plates, 70 locating devices
74 pilot pins, 76 breaking holes
The F3 first stress F4 second stress
Embodiment
Please refer to Fig. 3, Fig. 3 is the decomposing schematic representation of liquid crystal indicator of the present invention (liquid crystal display device, LCD device) 50.As shown in Figure 3, liquid crystal indicator 50 includes a display panels (LCD panel) 52, and is located at the module backlight of display panels 52 belows (back lightunit, BLU) the 54 and one carrying frame (carrier bezel) 56 in order to assembling (assemble) display panels 52 and module 54 backlight.
Usually, display panels 52 is in order to show what an image and its outside normally were made of a glass shell, module 54 backlight then includes a light guide plate, and (light guide plate, LGP) 58, one light source generator (light source generator) 60, of being located at a side of light guide plate 58 reflecting plate (reflecting sheet) 62, of being located at the below of light guide plate 58 is located at diffuser plate (diffusing plate) 64 and at least one prism (prism) 66 of being located at diffuser plate 64 tops of the top of light guide plate 58.Light source generator 60 is used to provide a light source, and normally a light emitting diode (light emitting diode, LED) or a cathode fluorescent tube (cold cathode fluorescent lamp, CCFL).Reflecting plate 62 is to have the thin slice of metal material to be constituted by a surface-coated, upwards reflects (reflect) to light guide plate 58 in order to the light source that light source generator 60 is produced, and light guide plate 58 then can scatter to this light source diffuser plate 64.Diffuser plate 64 be in order to scattering (scatter) that this light source is made progress to display panels 52, this light source that prism 66 then is scattered in order to correction makes it have a uniform irradiation intensity (intensity).Carrying frame 56 is constituted and is had the frame of elasticity (elastic) for one by metal or plastic cement, and include a plurality of two relative lower sides that are positioned at, in order to the baffle plate 68 of support display panels 52 with module 54 backlight, and a plurality of locating device (alignment device) 70.In addition, in another embodiment of the present invention, module 54 backlight also can include one and be located at reflecting plate 62 belows and coat the shell (housing of reflecting plate 62, do not show), in order to strengthen light guide plate 58, light source generator 60, reflecting plate 62, diffuser plate 64 and the prism 66 of fixing module 54 backlight.Because this is not an emphasis of the present invention, so do not give unnecessary details separately at this.
Please refer to Fig. 4 to Fig. 7, Fig. 4 to Fig. 7 be provided with a plurality of locating devices 70 carrying frame 56 local enlarged diagram (for convenience of description, display panels 52 and module 54 backlight are not assembled in the carrying frame 56 as yet), wherein Fig. 4 then is the preferred embodiment that is used in apparatus of the present invention.Extremely shown in Figure 7 as Fig. 4, carrying frame 56 is except including a plurality of two relative lower sides that are positioned at, outside the baffle plate 68 (not being shown among Fig. 4 to Fig. 7) that supports display panels 52 and module 54 backlight, other includes a plurality of locating devices 70, its be located at carrying each limit of frame 56 or non-light source generator 60 places two relative edges one on the inner surface 56a.As shown in Figure 4, in a preferred embodiment of the invention, locating device 70 is to include the breaking structure that at least one pilot pin 74 and can hold the breaking hole 76 of pilot pin 74 for one.Please refer to Fig. 8, Fig. 8 is for the carrying frame 56 among Fig. 4 in display panels 52 and module 54 backlight are assembled in carrying frame 56 time, along the diagrammatic cross-section of b-b ' axle.As shown in Figure 8, in the time of in display panels 52 and module 54 backlight are assembled in carrying frame 56, display panels 52 can produce the first stress F3 of a horizontal direction to the pilot pin 74 of carrying frame 56.As previously mentioned because carrying frame 56 is to be a rubber-like frame, so the time pilot pin 74 can cause most pilot pin 74 to be housed inside in the breaking hole 76 (in Fig. 8, not showing) among Fig. 4 because of the extruding generation deformation that is subjected to the first stress F3.Comparatively speaking, this moment, pilot pin 74 also can produce second a stress F4 who acts on the outer surface 52a of display panels 52 corresponding to the first stress F3, and with horizontal direction (laterally) display panels 52 was fixed within the carrying frame 56.
In addition, to shown in Figure 7, in other embodiments of the invention, locating device 70 also can be a projection (as shown in Figure 5) as Fig. 5, or presss from both sides tooth (clamp is as Fig. 6 and shown in Figure 7) with the arc that different directions is arranged.Because the binding mode of the locating device 70 among Fig. 5 to Fig. 7 is equal to the binding mode of the locating device 70 among Fig. 4 and Fig. 8, be two stress of acting force and reacting force each other that produced each other by display panels 52 and 70 pairs of locating devices, and with horizontal direction display panels 52 is fixed within the carrying frame 56, so do not give unnecessary details separately at this.
Compared to original liquid crystal indicator 10, liquid crystal indicator 50 of the present invention is to utilize locating device 70 to see through multiple spot fifty-fifty with horizontal direction to apply the first stress F3 in carrying within the frame 56 so that display panels 52 is fixed on the outer surface of display panels 52, the phenomenon of (shifting) thereby each element such as light guide plate 58, light source generator 60, reflecting plate 62, diffuser plate 64 and prism 66 of having avoided module 54 backlight is shifted is so guaranteed the display quality of liquid crystal indicator 50.In addition, because locating device 70 is to be positioned on the last inner surface 56a of carrying frame 56, therefore the making of carrying frame 56 can be adopted lower-cost plane ejection forming technique, and the locating device 70 that utilizes tool horizontal direction stress of the present invention more can reduce the thickness of liquid crystal indicator 50, be beneficial to the trend of display slimming, and then significantly promote the competitive power of product on market.
The above only is the preferred embodiments of the present invention, and all change that is equal to and improvement of doing according to claims of the present invention all should belong to the covering scope of patent of the present invention.
Claims (12)
1. a liquid crystal indicator (liquid crystal display device, LCD device) includes:
One display panels (LCD panel);
One module backlight (back light unit, BLU), it is located at this display panels below; And
One carrying frame (carrier bezel) is provided with a plurality of lateral register devices (alignment device) on inner surface on the one, fix this display panels and this module backlight in order to assembling (assemble).
2. as the described liquid crystal indicator of claim l, wherein this module backlight includes:
One light guide plate (light guide plate, LGP);
One light source generator (light source generator), the side that it is located at this light guide plate is used to provide a light source;
One reflecting plate (reflecting sheet), it is located at the below of this light guide plate, upwards reflects (reflect) to this light guide plate in order to the light source that this light source generator is produced;
One diffuser plate (diffusing plate), it is located at the top of this light guide plate, in order to scattering (scatter) that this light source is made progress to this display panels; And
At least one prism (prism), it is located at this diffuser plate top.
3. liquid crystal indicator as claimed in claim 1, wherein this carrying frame is the frame for a tool elasticity (elastic).
4. liquid crystal indicator as claimed in claim 3, wherein this carrying frame includes a metal frame or a plastic cement frame.
5. liquid crystal indicator as claimed in claim 3, wherein this carrying frame also includes a plurality of baffle plates that are positioned at two relative lower sides, in order to support this display panels and this module backlight.
6. liquid crystal indicator as claimed in claim 2, wherein this locating device is one to include the breaking structure in an at least one pilot pin and a breaking hole.
7. liquid crystal indicator as claimed in claim 2, wherein this locating device is a projection cube structure.
8. liquid crystal indicator as claimed in claim 2, wherein this locating device is folder tooth (clamp) structure.
9. liquid crystal indicator as claimed in claim 2, wherein this module backlight includes a shell (housing) in addition, and it is located at this reflecting plate below and coats this reflecting plate.
10. liquid crystal indicator as claimed in claim 2, wherein this light source generator comprise a light emitting diode (light emitting diode, LED).
11. liquid crystal indicator as claimed in claim 2, wherein this light source generator comprise a cathode fluorescent tube (cold cathode fluorescent lamp, CCFL).
12. liquid crystal indicator as claimed in claim 2, wherein this reflecting plate is the thin slice (metal sheet) that a surface-coated has a metal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031079253A CN1532604A (en) | 2003-03-25 | 2003-03-25 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031079253A CN1532604A (en) | 2003-03-25 | 2003-03-25 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1532604A true CN1532604A (en) | 2004-09-29 |
Family
ID=34283055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031079253A Pending CN1532604A (en) | 2003-03-25 | 2003-03-25 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1532604A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639183B (en) * | 2009-08-25 | 2011-01-05 | 昆山龙腾光电有限公司 | Backlight module and liquid crystal display device |
| CN102537882A (en) * | 2011-12-13 | 2012-07-04 | 深圳市华星光电技术有限公司 | Back plate and corresponding backlight module |
| CN103293721A (en) * | 2013-05-31 | 2013-09-11 | 昆山电子羽电业制品有限公司 | Liquid crystal display frame |
| US8801263B2 (en) | 2011-12-13 | 2014-08-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backplate and backlight module comprising the same |
| TWI712842B (en) * | 2019-09-02 | 2020-12-11 | 高雄晶傑達光電科技股份有限公司 | Display module and backlight module thereof |
-
2003
- 2003-03-25 CN CNA031079253A patent/CN1532604A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639183B (en) * | 2009-08-25 | 2011-01-05 | 昆山龙腾光电有限公司 | Backlight module and liquid crystal display device |
| CN102537882A (en) * | 2011-12-13 | 2012-07-04 | 深圳市华星光电技术有限公司 | Back plate and corresponding backlight module |
| US8801263B2 (en) | 2011-12-13 | 2014-08-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backplate and backlight module comprising the same |
| CN102537882B (en) * | 2011-12-13 | 2014-11-05 | 深圳市华星光电技术有限公司 | Back plate and corresponding backlight module |
| CN103293721A (en) * | 2013-05-31 | 2013-09-11 | 昆山电子羽电业制品有限公司 | Liquid crystal display frame |
| TWI712842B (en) * | 2019-09-02 | 2020-12-11 | 高雄晶傑達光電科技股份有限公司 | Display module and backlight module thereof |
| CN112445025A (en) * | 2019-09-02 | 2021-03-05 | 高雄晶杰达光电科技股份有限公司 | Display module and backlight module thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |