CN2826473Y

CN2826473Y - Reinforced liquid crystal display screen

Info

Publication number: CN2826473Y
Application number: CN 200520050481
Authority: CN
Inventors: ***; 夏显忠; 夏利锋; 彭宏程; 梁骏驰; 陶令; 聂佳力; 曾沁
Original assignee: HUNAN COMPUTER CO Ltd; Changsha HCC Hiden Technology Co Ltd
Current assignee: HUNAN COMPUTER CO Ltd; Changsha HCC Hiden Technology Co Ltd
Priority date: 2005-03-15
Filing date: 2005-03-15
Publication date: 2006-10-11
Anticipated expiration: 2015-03-15

Abstract

The utility model discloses a reinforced LCD screen which comprises a box body formed by sealing an upper glass base plate and a lower glass base plate, wherein the box body is filled with liquid crystal substances, the outer surface of the upper glass base plate is glued with upper layer laminated glass, and the outer surface of the lower glass base plate is glued with lower layer laminated glass. The utility model can reinforce the LCD screen effectively and forwardly to satisfy the requirements of the performance of the LCD screen in strong vibrations and impact environment, can effectively increase the adaptive capacity of the LCD screen for stern alternating damp and hot environment and realizes the dazzle preventing and low temperature working performance of the LCD screen.

Description

The reinforcement type LCDs

Technical field

The utility model is mainly concerned with field of liquid crystal, refers in particular to a kind of reinforcement type LCDs.

Background technology

Flat pannel display (FPD) replacement volume, the cathode ray tube (CRT) that weight is bigger show it is the certainty of electronic display technology development.LCD has obtained application as the main product of present flat-panel monitor in a lot of fields.Under exceedingly odious working environment, as some industry and military environment, there is strong vibration, excited by impact, have a strong impact on the normal demonstration of LCD, even cause the cracked of liquid crystal display, the becoming flexible, come off of drive electrode.Therefore, raising LCDs against violent vibration moves, impact capacity is one of major issue of reinforcing the essential solution of LCD.

As depicted in figs. 1 and 2, the box body of general LCDs for being sealed to form by upper and

lower glass substrate

1,2 is provided with liquid crystal material 3 in this box body.At present, in reinforcing LCD, its against violent vibration is moving, impact capacity to improve not take the mechanical consolidation measure at LCDs separately.Generally be to select for use vibration damper that LCDs is comprised vibration that backlight carries out whole passive vibration isolation, buffering and satisfy rugged surroundings, impacts requirement.There is the deficiency of following several respects in this technology: 1, (5-2000Hz) scope in the broadband, the root mean square acceleration reaches about 10g, the vibration transmissibility that meets the demands (η is less than 10%), the vibrating isolation system that possesses the surge capability of last 100g even hundreds of acceleration of gravity impacts simultaneously is difficult to development, and the volume of this vibrating isolation system, weight also will seriously be limited to the range of application of reinforcing LCD; 2, after employing passive vibration isolation, the buffering, there is a vibration isolator between display and casing, will has a strong impact on the heat conduction of display and metal chassis, in reinforcing the closed case system, LCDs may cause reduce even cisco unity malfunction its serviceable life because temperature is too high; 3, the adaptive capacity to environment of vibration isolator damping material is poor.

The utility model content

The technical problems to be solved in the utility model just is: at the technical matters of prior art existence, the utility model provides a kind of active reinforcing that can realize effective LCDs, to satisfy strong vibration, shock environment performance requirement, can effectively improve reinforcement type LCD simultaneously to harsh alternating damp heat atmosphere adaptive faculty to LCDs.

In order to solve the problems of the technologies described above, the solution that the utility model proposes is: a kind of reinforcement type LCDs, it comprises a box body that is sealed to form by top glass substrate and lower glass substrate, be provided with liquid crystal material in the box body, it is characterized in that: the outside surface gluing of described top glass substrate has laminated glass, and the outside surface gluing of lower glass substrate has down laminated glass.

The area of described upper and lower laminated glass is filled formation sealant layer with fluid sealant greater than upper and lower glass substrate around this display screen.

The plating of the outside surface of laminated glass is provided with antireflective film on described.

Outside surface plating in described laminated glass down is provided with the ITO heating film.

Compared with prior art, advantage of the present utility model is:

1, reinforcement type LCDs of the present utility model is simple in structure, manufactures conveniently, and can directly transform prior liquid crystal display;

2, reinforcement type LCDs of the present utility model realizes the active of the bests of different dynamic excitation effects is reinforced by the thickness of adjusting laminated glass, simultaneously, can realize the adaptive faculty of LCDs to damp and hot and vacuum environment owing to adopted two-sided laminated glass and encapsulation process all around;

3, reinforcement type LCDs of the present utility model also can be by realizing the anti-dazzle of display at last laminated glass outside surface plating antireflective film, the laminated glass outside down add the realization of plating ITO heating film to liquid crystal display in the low-temperature heat of liquid crystal.

Description of drawings

Fig. 1 is the perspective view of commercial LCDs in the prior art;

Fig. 2 is the side-looking cross-sectional schematic of commercial LCDs in the prior art;

Fig. 3 is the perspective view of the utility model LCDs embodiment 1;

Fig. 4 is the schematic side view of the utility model LCDs embodiment 1;

Fig. 5 is the perspective view of the utility model LCDs embodiment 2;

Fig. 6 is the side-looking cross-sectional schematic of the utility model LCDs embodiment 2.

Marginal data

1, top glass substrate 2, lower glass substrate

3, liquid crystal material 4, last laminated glass

5, following laminated glass 6, sealant layer

7, antireflective film 8, ITO heating film

Embodiment

Below with reference to accompanying drawing the utility model is described in further detail.

Embodiment 1: as shown in Figure 3 and Figure 4, reinforcement type LCDs of the present utility model mainly comprises a box body by upper and

lower glass substrate

1,2 sealings, be provided with liquid crystal material 3 in the box body, outside surface gluing in top glass substrate 1 has laminated glass 4, laminated glass 5 under the outside surface gluing of lower glass substrate 2 has.Being provided with of upper and lower

laminated glass

4,5 can realize that LCDs initiatively reinforces, and can reinforce by the active that the thickness of adjusting upper and lower laminated

glass

4,5 be dealt with the best of different dynamic excitation effects.Be provided with antireflective film 7 in last laminated glass 4 outside surfaces plating, can play the antiglare effect of display; Outside surface in following laminated glass 5 adds plating ITO heating film 8, the low temperature that can play liquid crystal evenly heats, this ITO heating film 8 is an indium and tin oxide film, be on the flexible and transparent base material, be coated with the ultra-thin MULTILAYER COMPOSITE indium and tin oxide film that one deck has high transmission rate and certain conductance, when giving 8 energisings of ITO heating film, heater element fast and efficiently.This ITO heating film has good, the characteristics such as the efficiency of heating surface is high, homogeneous heating of light penetration.

Embodiment 2: as shown in Figure 5 and Figure 6, reinforcement type LCDs of the present utility model mainly comprises a box body by upper and

lower glass substrate

laminated glass

glass

4,5 be dealt with the best of different dynamic excitation effects.Be provided with antireflective film 7 in last laminated glass 4 outside surfaces plating, can play the antiglare effect of display; Outside surface in following laminated glass 5 adds plating ITO heating film 8, and the low temperature that can play liquid crystal evenly heats.Wherein, the area of upper and lower laminated

glass

4,5 is filled formation sealant layer 6 with fluid sealant greater than upper and

lower glass substrate

1,2 around this display screen.The effect of sealing glue-line 6 is to protect liquid crystal display, realizes the adaptive faculty of LCDs to damp and hot and vacuum environment, can also reduce the impulsive force of 4,5 pairs of liquid crystal of upper and lower laminated glass.

To transform prior liquid crystal display is example, when making LCDs of the present utility model, the first step is that LCDs is pulled down in commercial LCD, general LCDs and metal framework are bonding by the double faced adhesive tape of the anti-light leak of one deck dark color, during the dismounting LCDs, can adopt the organic solvent of neutrality or meta-alkalescence to ooze bubble, adhesive linkage is broken away from; Second step was with deionized water LCDs to be cleaned up, dries; The 3rd step was to clean, dry stacked tempered glass; The 4th step lay in a horizontal plane in the LCDs after the oven dry on the clean worktable, was coated with in the above to drip an amount of optical grade curing glue, was stained with a laminated glass then, noted sticking wrong stacked on top of one another glass, the pros and cons of laminated glass can not be got wrong simultaneously; The 5th step was manual or adopted vacuum stripping bubble equipment that the bubble of glue-line is removed, and whether attention must have bubble at the microscopically scrutiny; The 6th step was that the precuring of this layer glue is handled; The 7th step was that the LCDs that will be stained with one deck tempered glass turns over, and repeated for fourth, fifth, six steps, another layer tempered glass was stained with and the precuring processing; The 8th step was the LCDs integral body of the upper and lower tempered glass that glues to be carried out full solidification handle; In the 9th step, under vacuum condition, seal up silicone rubber for sealing all around.By above-mentioned steps just can the complete layer laminated glass bonding, realize active reinforcing to LCDs.What also need pay special attention to when final assembly designs is the stress raisers of liquid crystal display after will avoiding laminated glass.Then only need the 4th step beginning from above-mentioned steps to get final product if directly manufacture reinforcement type LCDs of the present utility model up to the 9th step.

In sum, because being hard brittle material, LCDs forms, cataclastic failure mechanism under the thump effect is that strain surpasses its ultimate value, so, by being set, upper and lower laminated

glass

4,5 increases its carrying thickness, simultaneously upper and lower laminated

glass

4,5 is carried out intensive treatment, just can reduce its strain under the same external incentive action greatly, thereby can improve the moving and impact resistance of against violent vibration of LCDs.

Claims

1, a kind of reinforcement type LCDs, it comprises a box body that is sealed to form by top glass substrate (1) and lower glass substrate (2), be provided with liquid crystal material (3) in the box body, it is characterized in that: the outside surface gluing of described top glass substrate (1) has laminated glass (4), and the outside surface gluing of lower glass substrate (2) has down laminated glass (5).

2, reinforcement type LCDs according to claim 1 is characterized in that: the area of described upper and lower laminated glass (4), (5) is filled formation sealant layer (6) with fluid sealant greater than upper and lower glass substrate (1), (2) around this display screen.

3, reinforcement type LCDs according to claim 1 and 2 is characterized in that: the plating of the outside surface of laminated glass (4) is provided with antireflective film (7) on described.

4, reinforcement type LCDs according to claim 1 and 2 is characterized in that: the outside surface plating in described laminated glass (5) down is provided with ITO heating film (8).