CN203606598U

CN203606598U - Display device

Info

Publication number: CN203606598U
Application number: CN201320604763.8U
Authority: CN
Inventors: 任锦宇; 宋勇志; 王丹
Original assignee: BOE Technology Group Co Ltd; Beijing BOE Display Technology Co Ltd
Current assignee: BOE Technology Group Co Ltd; Beijing BOE Display Technology Co Ltd
Priority date: 2013-09-27
Filing date: 2013-09-27
Publication date: 2014-05-21
Anticipated expiration: 2023-09-27

Abstract

The utility model discloses a display device. The display device comprises: an upper polarizer, a liquid crystal panel, a lower polarizer and a fluorescent panel, wherein the liquid crystal panel comprises an upper substrate and a lower substrate forming a pair of boxes , the lower surface of the upper substrate is provided with a light-transmitting area; the upper surface of the upper substrate is provided with an upper polarizer, and the lower surface of the lower substrate is provided with a lower polarizer; the lower polarizer The lower surface of the sheet is provided with the fluorescent panel; the fluorescent panel includes a fluorescent substrate and an electrode substrate forming a pair of boxes, and the pair of boxes includes an inert gas; the lower surface of the fluorescent substrate is provided with a pixel area, and the pixel area and Opposite to the light-transmitting area, the pixel area is coated with red, green, and blue three primary color phosphors; the upper surface of the electrode substrate is provided with electrodes. The utility model not only has low energy consumption, but also has small thickness.

Description

A kind of display device

Technical field

The utility model relates to display technique, relates in particular to a kind of display device.

Background technology

At present, thin film transistor (TFT) (Thin Film Transistor, TFT) liquid crystal display (Liquid Crystal Displays, LCD), generally includes: upper polaroid, liquid crystal panel, lower polaroid and backlight.

Wherein, described liquid crystal panel comprises color film (Color Filter, CF) substrate and array base palte; Described CF substrate and described array base palte form box, wherein place liquid crystal.The upper and lower surface of described liquid crystal panel arranges respectively polaroid and lower polaroid.

Wherein, CF substrate comprises: the first glass (Glass) substrate, the lower surface of a described Glass substrate is provided with CF and black matrix (Black Matrix, BM), described CF is formed from a resin, described CF comprises Red lightscreening plate, green color filter and blue color filter, and the white light that is respectively used to backlight to send is filtered into ruddiness, green glow and blue light.Described BM, for shading, covers all non-display areas.

Described array base palte comprises: the 2nd Glass substrate, the upper surface of described the 2nd Glass substrate is provided with TFT structure, the pixel electrode that described TFT structure comprises metal device and is made up of indium tin oxide (Indium Tin Oxide, ITO).

Described backlight generally includes prismatic lens, diffuser plate and light emitting diode (Light-Emitting Diode, LED) pointolite.Described prismatic lens, diffuser plate and LED pointolite need to be fixed by solid shell, cause the thickness of backlight own very thick, generally in 2～6cm left and right (specifically depending on type of backlight).

In prior art, the white light that backlight sends changes into RGB (Red Green Blue, RGB) three primary colors through the CF of liquid crystal panel, then reaches demonstration object by the control of liquid crystal panel.

But because the light transmission rate of liquid crystal panel is lower than 10%, the efficiency of light energy utilization is very low, so need backlight to have very high brightness, energy consumption is high; And because backlight is very thick, causing the display one-piece construction of having assembled more thick and heavy, thickness is in 4～10cm left and right.In addition, upper polaroid, liquid crystal panel, lower polaroid and backlight need to fit together by complicated metal construction, and not only packaging technology complexity is meticulous but also manufacturing cost is high.

Utility model content

In view of this, fundamental purpose of the present utility model is to provide a kind of display device, and not only energy consumption is low, and thickness is little.

For achieving the above object, the technical solution of the utility model is achieved in that

The utility model provides a kind of display device, and described display device comprises:

Upper polaroid, liquid crystal panel, lower polaroid and fluorescent panel, wherein, described liquid crystal panel comprises the upper underlay substrate and the lower underlay substrate that form box, the lower surface of described upper underlay substrate is provided with photic zone; The upper surface of described upper underlay substrate is provided with polaroid, and the lower surface of described lower underlay substrate is provided with lower polaroid; The lower surface of described lower polaroid is provided with described fluorescent panel;

Described fluorescent panel comprises the fluorescence substrate and the electrode base board that form box, and box is comprised to inert gas; The lower surface of described fluorescence substrate is provided with pixel region, and described pixel region is relative with photic zone, and described pixel region applies red green blue tricolor fluorescent powder; The upper surface of electrode base board is provided with electrode.

Preferably, described electrode is covered by dielectric layer.

Preferably, described red green blue tricolor fluorescent powder is rare-earth trichromatic fluorescent powder.

Preferably, described inert gas is xenon or xenon and neon mixed gas.

Preferably, described upper polaroid, liquid crystal panel, lower polaroid and fluorescent panel to box fixed by bonding.

Preferably, fluorescence substrate and electrode base board are glass substrate, quartz base plate or plastic base.

Preferably, the non-photic zone of the lower surface of described upper underlay substrate is provided with the first light shield layer;

Space, described pixel region arranges, and non-pixel region is provided with the second light shield layer.

Preferably, described the first light shield layer and the second light shield layer adopt black matrix.

Preferably, the upper surface of described lower underlay substrate is provided with thin-film transistor structure.

Preferably, described upper underlay substrate and lower underlay substrate are glass substrate, quartz base plate or plastic base.

As from the foregoing, the display device that the utility model provides comprises: upper polaroid, liquid crystal panel, lower polaroid and fluorescent panel, wherein, described liquid crystal panel comprises the upper underlay substrate and the lower underlay substrate that form box, and the lower surface of described upper underlay substrate is provided with photic zone; The upper surface of described upper underlay substrate is provided with polaroid, and the lower surface of described lower underlay substrate is provided with lower polaroid; The lower surface of described lower polaroid is provided with described fluorescent panel; Described fluorescent panel comprises the fluorescence substrate and the electrode base board that form box, and box is comprised to inert gas; The lower surface of described fluorescence substrate is provided with pixel region, and described pixel region is relative with photic zone, and described pixel region applies red green blue tricolor fluorescent powder; The upper surface of electrode base board is provided with electrode.Thus, thereby owing to not needing backlight to reduce energy consumption, and the utility model thickness is little.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model display device;

Fig. 2 is the assembling schematic diagram of the utility model display device.

Description of reference numerals:

The upper polaroid of 1--; 2--liquid crystal panel; The upper underlay substrate of 20--; 200--photic zone; 201--the first light shield layer; Underlay substrate under 21--; 22--liquid crystal; 210--metal device; 211--pixel electrode; Polaroid under 3--; 4--fluorescent panel; 40--fluorescence substrate; 400--pixel region; 401--the second light shield layer; 41--electrode base board; 410--electrode; 411--dielectric layer; 5--binder; 6--shell.

Embodiment

The embodiment of the display device that the utility model provides, as shown in Figure 1, described display device comprises from top to bottom successively: upper polaroid 1, liquid crystal panel 2, lower polaroid 3 and fluorescent panel 4.

Described liquid crystal panel 2 comprises underlay substrate 20 and lower underlay substrate 21, and described upper underlay substrate 20 and lower underlay substrate 21 form box, wherein place liquid crystal 22.Described upper underlay substrate 20 and lower underlay substrate 21 can adopt Glass substrate, quartz base plate or plastic base etc.

The lower surface of described upper underlay substrate 20 is provided with photic zone 200 and light shield layer 201, and described photic zone 200 is for seeing through RGB tri-coloured light, and non-photic zone is coated with the described light shield layer 201 for shading, and described light shield layer 201 can be BM; Concrete, can be with reference to the preparation technology of traditional C F substrate, apply BM, diaphragm (Overcoat, OC), ITO(at the lower surface of upper underlay substrate 20 and press the interpolation of display mode demand), cylindrical spacer (Photo Spacer, PS).In actual applications, the RGB in traditional C F substrate preparation technology is applied to operation and remove, other operation all retains and makes the appropriate adjustments.

The upper surface of described lower underlay substrate 21 is provided with TFT structure, the pixel electrode 211 that described TFT structure comprises metal device 210 and is made up of ITO.Concrete, can adopt traditional preparation technology, the preparation technology such as four masks (Mask) technique forms TFT structure at the upper surface of lower underlay substrate 21.

Adopt traditional handicraft that the CF substrate that comprises described upper underlay substrate 20 and the array base palte that comprises described lower underlay substrate 21 are carried out box to can be made into liquid crystal panel 2, then on described the upper surface of underlay substrate 20 paste described on polaroid 1, paste described lower polaroid 2 at the lower surface of described lower underlay substrate 21.

Described fluorescent panel 4 comprises from top to bottom successively: fluorescence substrate 40 and electrode base board 41, and described fluorescence substrate 40 and electrode base board 41 can adopt Glass substrate, quartz base plate or plastic base etc.; The laminating parallel with electrode base board 41 of described fluorescence substrate 40 also keeps suitably distance to form box, is wherein filled with inert gas, as xenon, xenon and neon mixed gas etc.

Described fluorescence substrate 40 lower surfaces arrange the pixel region 400 of space, and described pixel region applies RGB three primary colors fluorescent powder, and the order of RGB can be arranged voluntarily according to demand.RGB three primary colors fluorescent powder can be rare-earth trichromatic fluorescent powder, described RGB three primary colors fluorescent powder comprises red fluorescence powder, green emitting phosphor, blue colour fluorescent powder, after described red fluorescence powder, green emitting phosphor, blue colour fluorescent powder Ultraviolet radiation absorbing, can send respectively ruddiness, green glow and blue light.The non-pixel region of described fluorescence substrate 40 lower surfaces applies the light shield layer 401 for shading, and described light shield layer 401 can adopt BM.Described electrode base board 41 upper surfaces are provided with electrode 410, and working medium layer 411 covers described electrode 410, and described dielectric layer 411 is for the protection of electrode 410; Described electrode 410 comprises negative electrode and anode.

Described in Fig. 2, described upper polaroid 1, liquid crystal panel 2, lower polaroid 3 and fluorescent panel 4 after box are fixed by binder 5, and assemble and protect by shell 6.Owing to only needing involutory liquid crystal panel and fluorescent panel and binding, then be aided with simple metal reinforced structure and can complete assembling, so the utility model is simple for assembly process, cost is low.

Because the parts in fluorescent panel 4 are few more a lot of than the parts in backlight in prior art, so the Thickness Ratio backlight of fluorescent panel 4 is little a lot, and then the display device thickness that the utility model provides is less.

The principle of work of the display device that the utility model embodiment provides is as follows: after energising, the electrode 410 of fluorescent panel 4 sends high-frequency impulse and forms electric discharge, inert gas is discharged to excite and sends UV radiation, after the RGB three primary colors fluorescent powder Ultraviolet radiation absorbing of pixel region 400, sends RGB three primary colors; The RGB three primary colors that fluorescent panel 4 sends change polarization RGB three primary colors into by lower polaroid 3, the control of polarization RGB three primary colors process liquid crystal panel 2, then pass through polaroid 1, can reach demonstration object.

The display device providing due to the utility model does not need backlight luminous, so the energy consumption of greatly reducing.

To sum up, thus the utility model owing to not needing backlight to reduce energy consumption, provided cost savings, and and integral thickness reduces greatly, thickness can reach below 2cm.In addition, the utility model only needs involutory liquid crystal panel and fluorescent panel and binds, then is aided with simple metal reinforced structure and can completes assembling, simple for assembly process, cost is low.

The above, be only preferred embodiment of the present utility model, is not intended to limit protection domain of the present utility model.

Claims

1. A display device, characterized in that the display device comprises:

An upper polarizer, a liquid crystal panel, a lower polarizer, and a fluorescent panel, wherein the liquid crystal panel includes an upper substrate and a lower substrate forming a pair of boxes, and the lower surface of the upper substrate is provided with a light-transmitting area; The upper surface of the upper substrate is provided with an upper polarizer, the lower surface of the lower substrate is provided with a lower polarizer; the lower surface of the lower polarizer is provided with the fluorescent panel;

The fluorescent panel includes a fluorescent substrate and an electrode substrate forming a pair of boxes, and the pair of boxes includes an inert gas; the lower surface of the fluorescent substrate is provided with a pixel area, the pixel area is opposite to the light-transmitting area, and the pixel area is coated with Red, green and blue three primary color phosphors; electrodes are arranged on the upper surface of the electrode substrate.

2. The display device according to claim 1, wherein the electrodes are covered by a dielectric layer.

3 . The display device according to claim 1 , wherein the red, green and blue three primary color phosphors are rare earth three primary color phosphors. 4 .

4. The display device according to claim 1, wherein the inert gas is xenon or a mixed gas of xenon and neon.

5. The display device according to claim 1, wherein the upper polarizer, the liquid crystal panel, the lower polarizer and the fluorescent panel of the pair of boxes are fixed by bonding.

6. The display device according to claim 1, wherein the fluorescent substrate and the electrode substrate are glass substrates, quartz substrates, or plastic substrates.

7. The display device according to claim 1, wherein a first light-shielding layer is provided on the non-transparent region of the lower surface of the upper substrate;

The pixel regions are arranged at intervals, and the non-pixel regions are provided with a second light-shielding layer.

8 . The display device according to claim 7 , wherein the first light-shielding layer and the second light-shielding layer use a black matrix.

9. The display device according to claim 1, wherein a thin film transistor structure is provided on the upper surface of the lower base substrate.

10. The display device according to claim 1, wherein the upper base substrate and the lower base substrate are glass substrates, quartz substrates, or plastic substrates.