CN205229607U - Prevent static, anti -dazzle, LCD of being convenient for to place - Google Patents
Prevent static, anti -dazzle, LCD of being convenient for to place Download PDFInfo
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- CN205229607U CN205229607U CN201520875591.7U CN201520875591U CN205229607U CN 205229607 U CN205229607 U CN 205229607U CN 201520875591 U CN201520875591 U CN 201520875591U CN 205229607 U CN205229607 U CN 205229607U
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Abstract
The utility model discloses a prevent static, the anti -dazzle, the LCD of being convenient for to place, it prevents the electrostatic circuit to be provided with on the circuit board of display screen inside, the electricity is connected with a transient -suppression diode V3 in preventing the electrostatic circuit, transient -suppression diode V3 and resistance R2 are parallelly connected, establish ties with resistance R1, resistance R1 and resistance R2 establish ties, transient -suppression diode V3, resistance R1, resistance R2 connects the base of NPN type triode, NPN type triode collector, diode V4's both ends are connected to the projecting pole, the projecting pole of NPN type triode is connecting resistance R2 still, transient -suppression diode V3, this kind of connected mode can avoid the quilt of components and parts to damage. The display screen surface be provided with one deck anti -dazzle glass layer, the supporting part of base is a rectangular support piece, inside this support piece, is provided with three spring unit, spring unit's both ends end connection have can stretch out and draw back, the front end is the bellied cylinder of semicircular.
Description
Technical field
The utility model relates to display, relate to specifically a kind of electrostatic prevention, anti-dazzle, be convenient to place liquid crystal display.
Background technology
Electrostatic potential is contacted with each other by the material that difference is all kinds of and to produce with sharing, namely this effect is electrification by friction, the voltage produced depends on the characteristic of the material of phase mutual friction itself, due to the electrostatic that display screen mainly human body and relevant components and parts direct in actual production process contacts or indirect contact produces, when semiconductor devices is placed separately or is filled circuit, even without powering up, because electrostatic also may cause the permanent damage of these devices, if the voltage between two of components and parts stitch exceedes the disruptive strength of components and parts medium, damage will be caused to element, oxide layer on display screen pcb board is thinner, then the susceptibility of drive IC to electrostatic is larger, such as scolding tin is not full, the own quality existing problems of scolding tin etc., capital produces serious leakage path, thus damage.As shown in Figure 1, Legacy protected mode: protectiving scheme prevents gate charge from accumulating and gate source voltage occurs that spike damages, and grid stored charge is released (the desirable 5k Ω of its resistance); Voltage stabilizing diode V1 and V2 of two differential concatenations, components and parts are damaged in order to prevent gate source voltage spike, even if but like this, in the working environment that reality uses, it is damaged that above scheme still has higher components and parts, sometimes even can exceed 5%, and stabilivolt this response time and withstanding current capability not enough far away, thus cause components and parts overheated and damage.
There is dazzle sometimes in the display screen of liquid crystal display, because the point of bright and dark spots or colour roughly appears in display in Pixel-level range of size, thus shows and glitter.There is glittering the visuality of the display that can reduce pixelation, especially true under high ambient lighting conditions.
The base of liquid crystal display is all generally in the form of annular discs, and be placed in the bottom of display screen, have supporting role to display screen, traditional display screen base functions is less, needs to improve.
Utility model content
For deficiency of the prior art, the technical problems to be solved in the utility model there are provided a kind of electrostatic prevention, anti-dazzle, be convenient to place liquid crystal display.
For solving the problems of the technologies described above, the utility model is realized by following scheme:
A kind of electrostatic prevention, anti-dazzle, be convenient to the liquid crystal display of placing, this liquid crystal display comprises the base of display screen and fixing display screen, the circuit board of described display screen inside is provided with anti-static circuit, a Transient Suppression Diode V3 is electrically connected with in described anti-static circuit, described Transient Suppression Diode V3 is in parallel with resistance R2, connect with resistance R1, resistance R1 connects with resistance R2, described Transient Suppression Diode V3, resistance R1, resistance R2 connects the base stage of NPN type triode, described NPN type triode collector, emitter connects the two ends of diode V4, the emitter also contact resistance R2 of described NPN type triode, Transient Suppression Diode V3,
Described display screen surface is provided with one deck glare proof glass layer, and described glare proof glass layer surface is dumb light no reflection events surface, and this dumb light no reflection events surface is arranged to rough;
The support portion of described base is a rectangular support member, inner at this support member, is provided with three spring assemblies, the end, two ends of described spring assembly be connected with can stretch, front end is the cylinder of semicircular projection.
Further, the particle diameter of rough on described glare proof glass layer is at 1 ~ 30 micron.
Further, described base top is provided with two cylindrical reference columns, is notches in the centre of two cylindrical reference columns.
Further, described base is also provided with the locating slot mated with support member.
Relative to prior art, the beneficial effects of the utility model are: the circuit board of display screen inside arranges anti-static circuit, this anti-static circuit can by the generation preventing electrostatic, avoid the damaged of components and parts.LCDs is provided with one deck glare proof glass layer, and the male and fomale(M&F) on glare proof glass layer can form diffuse reflection by outside light, and the picture of liquid crystal display just can enter eyes clearly.Display base is provided with three locating devices, makes projection compress and stretch out by the compression of spring.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is anti-static circuit figure in prior art.
Fig. 2 is the utility model anti-static circuit figure.
Fig. 3 is the utility model glare proof glass layer schematic diagram.
Fig. 4 is the utility model glare proof glass layer segment enlarged drawing.
Fig. 5 is the utility model base support schematic diagram.
Mark in accompanying drawing: display screen 1, base 2, glare proof glass layer 3, cylinder 21, spring assembly 22, cylindrical reference column 23.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Please refer to accompanying drawing 2 ~ 5, a kind of electrostatic prevention of the present utility model, anti-dazzle, be convenient to the liquid crystal display of placing, this liquid crystal display comprises the base 2 of display screen 1 and fixing display screen, the circuit board of described display screen 1 inside is provided with anti-static circuit, a Transient Suppression Diode V3 is electrically connected with in described anti-static circuit, described Transient Suppression Diode V3 is in parallel with resistance R2, connect with resistance R1, resistance R1 connects with resistance R2, described Transient Suppression Diode V3, resistance R1, resistance R2 connects the base stage of NPN type triode, described NPN type triode collector, emitter connects the two ends of diode V4, the emitter also contact resistance R2 of described NPN type triode, Transient Suppression Diode V3, described display screen 1 surface is provided with one deck glare proof glass layer 3, and described glare proof glass layer 3 surface is dumb light no reflection events surface, and this dumb light no reflection events surface is arranged to rough, the support portion of described base 2 is a rectangular support member, inner at this support member, be provided with three spring assemblies 22, the end, two ends of described spring assembly 22 be connected with can stretch, front end is the cylinder 21 of semicircular projection, the particle diameter of rough on described glare proof glass layer 3 is at 1 ~ 30 micron, described base 2 top is provided with two cylindrical reference columns 23, is notches in the centre of two cylindrical reference columns 23.
Usual electrostatic display produces, ITO electrode marginal portion.Through this, the utility model considers all ITO cablings to be all connected to above normal driving circuit; So that electrostatic driving circuit is taken away.And the display of the electrostatic of accumulation extends to beyond viewing area by marginal portion ITO wiring being extended to display screen.And do point discharge measure.To eliminate electrostatic as early as possible.Novel protected pattern: change traditional stabilivolt into novel Transient Suppression Diode; general gate drive voltage is about 15V, and reaction velocity is exceedingly fast, the far super voltage stabilizing diode of through-current capability; can reach kiloampere, Transient Suppression Diode has extraordinary inhibition to electrostatic.
Described base 2 is also provided with the locating slot mated with support member, locating slot is symmetrical hole is set, projection on support member first compresses, after aiming at the hole on locating slot, decontrol, projection ejects by spring assembly again, makes projection stick into hole on locating slot, three projections can up-down adjustment, and then enables display screen up-down adjustment.Display screen top is located by cylindrical reference column 23, and display screen 1 is on a straight line.
The foregoing is only preferred implementation of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. an electrostatic prevention, anti-dazzle, be convenient to the liquid crystal display of placing, this liquid crystal display comprises the base (2) of display screen (1) and fixing display screen, it is characterized in that: the circuit board that described display screen (1) is inner is provided with anti-static circuit, a Transient Suppression Diode V3 is electrically connected with in described anti-static circuit, described Transient Suppression Diode V3 is in parallel with resistance R2, connect with resistance R1, resistance R1 connects with resistance R2, described Transient Suppression Diode V3, resistance R1, resistance R2 connects the base stage of NPN type triode, described NPN type triode collector, emitter connects the two ends of diode V4, the emitter also contact resistance R2 of described NPN type triode, Transient Suppression Diode V3,
Described display screen (1) surface is provided with one deck glare proof glass layer (3), and described glare proof glass layer (3) surface is dumb light no reflection events surface, and this dumb light no reflection events surface is arranged to rough;
The support portion of described base (2) is a rectangular support member, inner at this support member, is provided with three spring assemblies (22), the end, two ends of described spring assembly (22) be connected with can stretch, front end is the cylinder (21) of semicircular projection.
2. a kind of electrostatic prevention according to claim 1, anti-dazzle, be convenient to place liquid crystal display, it is characterized in that: the particle diameter of rough on described glare proof glass layer (3) is at 1 ~ 30 micron.
3. a kind of electrostatic prevention according to claim 1, anti-dazzle, be convenient to place liquid crystal display, it is characterized in that: described base (2) top is provided with two cylindrical reference columns (23), is a notch in the centre of two cylindrical reference columns (23).
4. a kind of electrostatic prevention according to claim 1, anti-dazzle, be convenient to place liquid crystal display, it is characterized in that: described base (2) is also provided with the locating slot mated with support member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875591.7U CN205229607U (en) | 2015-11-05 | 2015-11-05 | Prevent static, anti -dazzle, LCD of being convenient for to place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875591.7U CN205229607U (en) | 2015-11-05 | 2015-11-05 | Prevent static, anti -dazzle, LCD of being convenient for to place |
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| Publication Number | Publication Date |
|---|---|
| CN205229607U true CN205229607U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520875591.7U Active CN205229607U (en) | 2015-11-05 | 2015-11-05 | Prevent static, anti -dazzle, LCD of being convenient for to place |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425876A (en) * | 2017-08-31 | 2017-12-01 | 广东欧珀移动通信有限公司 | Electrostatic protection apparatus, radio circuit and electronic equipment |
| CN107565529A (en) * | 2017-08-31 | 2018-01-09 | 广东欧珀移动通信有限公司 | Electrostatic protection apparatus, radio circuit and electronic equipment |
| CN109557704A (en) * | 2019-01-16 | 2019-04-02 | 合肥诚辉电子有限公司 | A kind of antistatic liquid crystal display |
| CN112114237A (en) * | 2020-09-04 | 2020-12-22 | 重庆大学 | IGBT module internal defect monitoring method and circuit based on gate pole charge change |
-
2015
- 2015-11-05 CN CN201520875591.7U patent/CN205229607U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425876A (en) * | 2017-08-31 | 2017-12-01 | 广东欧珀移动通信有限公司 | Electrostatic protection apparatus, radio circuit and electronic equipment |
| CN107565529A (en) * | 2017-08-31 | 2018-01-09 | 广东欧珀移动通信有限公司 | Electrostatic protection apparatus, radio circuit and electronic equipment |
| CN109557704A (en) * | 2019-01-16 | 2019-04-02 | 合肥诚辉电子有限公司 | A kind of antistatic liquid crystal display |
| CN112114237A (en) * | 2020-09-04 | 2020-12-22 | 重庆大学 | IGBT module internal defect monitoring method and circuit based on gate pole charge change |
| CN112114237B (en) * | 2020-09-04 | 2022-03-01 | 重庆大学 | IGBT module internal defect monitoring method and circuit based on gate pole charge change |
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| GR01 | Patent grant |