CN105575337B - A kind of outdoor highlight degree liquid crystal display - Google Patents
A kind of outdoor highlight degree liquid crystal display Download PDFInfo
- Publication number
- CN105575337B CN105575337B CN201610089489.3A CN201610089489A CN105575337B CN 105575337 B CN105575337 B CN 105575337B CN 201610089489 A CN201610089489 A CN 201610089489A CN 105575337 B CN105575337 B CN 105575337B
- Authority
- CN
- China
- Prior art keywords
- lamp bead
- aluminum substrate
- enhancement film
- liquid crystal
- bright enhancement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 30
- 239000011324 bead Substances 0.000 claims abstract description 55
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 230000004888 barrier function Effects 0.000 claims abstract description 13
- 238000009792 diffusion process Methods 0.000 claims abstract description 13
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- VQLYBLABXAHUDN-UHFFFAOYSA-N bis(4-fluorophenyl)-methyl-(1,2,4-triazol-1-ylmethyl)silane;methyl n-(1h-benzimidazol-2-yl)carbamate Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1.C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 VQLYBLABXAHUDN-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000005693 optoelectronics Effects 0.000 claims 1
- 230000006870 function Effects 0.000 abstract description 5
- 206010070834 Sensitisation Diseases 0.000 abstract description 3
- 230000008313 sensitization Effects 0.000 abstract description 3
- 230000005622 photoelectricity Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of outdoor highlight degree liquid crystal displays, it includes holder (1), drive control plate (2), bottom case (3), reflectance coating (4), aluminum substrate and lamp bead (5), diffusion barrier (6), bright enhancement film (7), composite bright enhancement film (8), fixed frame (9), glasses for LCD (10).The present invention, which uses to have, inputs the multi-protective functions such as anti-reverse, short-circuit, over-pressed; it can be used by synchronized with each other to one external clock by multiple IC and be used for controlling 4300~5500 LED light; maximum brightness reaches 20000 lumens; brightness uniformity can reach 90% or more; picture is still bright and colourful and at low cost, sensitization function is strong, light pollution is small when remote under sunlight.
Description
Technical field
The invention belongs to field of liquid crystal display, more particularly to a kind of outdoor liquid crystal display.
Background technology
Liquid crystal display largely uses outdoors, and quality preferably Samsung, Youda's liquid crystal display are to show to dash forward the most in market
Go out, but there is also：A advises maximum 700 lumens of liquid crystal display or so, and outdoor display pattern is susceptible to fuzzy, and higher price,
There is certain resistance for universal liquid crystal display outdoor advertising industry.It is lacked for present in above-mentioned outdoor commercial liquid crystals screen actual use
It falls into, is badly in need of a kind of high brightness screen that can substitute outdoor LED screen.
Invention content
The purpose of the present invention is：There is provided a kind of outdoor highlight degree liquid crystal display, maximum brightness reaches 2000 lumens, remote under sunlight
Apart from when picture it is still bright and colourful, dynamic image smoothness without smear, and it is at low cost, sensitization function is strong, light pollution is small, can low coverage
From operation.
The technical scheme is that：A kind of outdoor highlight degree liquid crystal display, it includes：Holder 1, drive control plate 2, bottom case
3, reflectance coating 4, aluminum substrate and lamp bead 5, diffusion barrier 6, bright enhancement film 7, composite bright enhancement film 8, fixed frame 9, glasses for LCD 10；
The holder 1 is used to support outdoor highlight degree liquid crystal display；
The drive control plate 2 is mounted between the holder 1, the bottom case 3, for the aluminum substrate and lamp bead 5
Power drives；
The reflectance coating 4 is mounted between the bottom case 3, the aluminum substrate and lamp bead 5, is used for the aluminum substrate and lamp
The uniform light that the LED lamp bead of pearl 5 is sent out is reflected into the diffusion barrier 6；
Between the aluminum substrate and lamp bead 5 are mounted on 7 between the bottom case 3, the bright enhancement film, LED lamp bead is outdoor high
The light source of brightness liquid crystal display, maximum brightness reach 20000 lumens, and the luminous heat generated of LED lamp bead is dissipated by the bottom case 3
Hair；
Between the diffusion barrier 6 is mounted on 7 between the aluminum substrate 5, the bright enhancement film, it is used for the aluminum substrate and lamp
The light that the LED lamp bead of pearl 5 is sent out uniformly is spread, and achievees the effect that optics is spread；
The bright enhancement film 7 is mounted between the diffusion barrier 6, composite bright enhancement film 8, is used for the aluminum substrate and lamp bead 5
The dispersed light that sends out of LED lamp bead assemble to positive direction；
The composite bright enhancement film 8 is mounted between the bright enhancement film 7, the fixed frame 9, for will transmit through the bright enhancement film
The dispersed light that 7 aluminum substrate and the LED lamp bead of lamp bead 5 are sent out is assembled to positive direction again；
The glasses for LCD 10 is for showing.
Further：The drive control plate 2 includes：Light collection module 21, IC control modules 22, output feedback module
23, luminance adjustment module 24；
Collected signal is carried out photoelectricity and turned by the light collection module 21 for being acquired to extraneous intensity of illumination
After changing, it is sent to the IC control modules 22；
The IC control modules 22 are used to receive the extraneous light intensity signal that the light collection module 21 is sent, described in reception
Export feedback module 23 send feedback signal, output pwm signal to the luminance adjustment module 24, adjust the aluminum substrate and
The LED lamp bead luminous intensity of lamp bead 5；
The output feedback module 23 is used to acquire the current strength of 22 output pwm signal of IC control modules, and will
Collected current strength feeds back to the IC control modules 22, forms IC control modules 22 to the luminance adjustment module 24
Closed-loop control；
The luminance adjustment module 24 is used to carry out constant current and Isobarically Control to the LED lamp bead of the aluminum substrate and lamp bead 5.
Further：Outdoor highlight degree liquid crystal display further includes：Drive control plate 2, synchronous plate 25 described in polylith；
The synchronous plate 25 is used for 4300~5500 LED lamp beads of synchronous control, outdoor highlight degree liquid crystal screen surfaces highest
Brightness is 2000 lumens, and brightness uniformity reaches 90% or more.
The present invention drives LED light using application-specific integrated circuit chip controls, and the DC/DC constant-current supply schemes with PWM port have
The multi-protective functions such as anti-reverse, short-circuit, over-pressed are inputted, can be made by synchronized with each other to one external clock by multiple IC
With for controlling 4300~5500 LED light, maximum brightness reaches 20000 lumens, and brightness uniformity can reach 90% or more, protect
In the case that the original resolution ratio of card liquid crystal display, contrast, color saturation are constant, picture is distinct, and image quality is fine and smooth.It is remote under sunlight
When picture is still bright and colourful and at low cost, sensitization function is strong, light pollution is small.Measured power LED back projection types are highlighted to be reached
20000 lumen-hours, 65 cun of liquid crystal display power 400W hereinafter, 70 cun of liquid crystal display power 800W hereinafter, small power consumption.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is drive control case diagram of the present invention.
Specific implementation mode
Embodiment 1：Fig. 1 is participated in, a kind of outdoor highlight degree liquid crystal display, it includes：Holder 1, drive control plate 2, bottom case 3,
Reflectance coating 4, aluminum substrate and lamp bead 5, diffusion barrier 6, bright enhancement film 7, composite bright enhancement film 8, fixed frame 9, glasses for LCD 10；
The holder 1 is used to support outdoor highlight degree liquid crystal display；
The drive control plate 2 is mounted between the holder 1, the bottom case 3, for the aluminum substrate and lamp bead 5
Power drives；
The reflectance coating 4 is mounted between the bottom case 3, the aluminum substrate and lamp bead 5, is used for the aluminum substrate and lamp
The uniform light that the LED lamp bead of pearl 5 is sent out is reflected into the diffusion barrier 6；
Between the aluminum substrate and lamp bead 5 are mounted on 7 between the bottom case 3, the bright enhancement film, LED lamp bead is outdoor high
The light source of brightness liquid crystal display, maximum brightness reach 20000 lumens, and the luminous heat generated of LED lamp bead is dissipated by the bottom case 3
Hair；
Between the diffusion barrier 6 is mounted on 7 between the aluminum substrate 5, the bright enhancement film, it is used for the aluminum substrate and lamp
The light that the LED lamp bead of pearl 5 is sent out uniformly is spread, and achievees the effect that optics is spread；
The bright enhancement film 7 is mounted between the diffusion barrier 6, composite bright enhancement film 8, is used for the aluminum substrate and lamp bead 5
The dispersed light that sends out of LED lamp bead assemble to positive direction；
The composite bright enhancement film 8 is mounted between the bright enhancement film 7, the fixed frame 9, for will transmit through the bright enhancement film
The dispersed light that 7 aluminum substrate and the LED lamp bead of lamp bead 5 are sent out is assembled to positive direction again；
The glasses for LCD 10 is for showing.
Embodiment 2：Fig. 1, Fig. 2, above-mentioned outdoor highlight degree liquid crystal display are participated in, the drive control plate 2 includes：Light collection mould
Block 21, IC control modules 22, output feedback module 23, luminance adjustment module 24；
Collected signal is carried out photoelectricity and turned by the light collection module 21 for being acquired to extraneous intensity of illumination
After changing, it is sent to the IC control modules 22；
The IC control modules 22 are used to receive the extraneous light intensity signal that the light collection module 21 is sent, described in reception
Export feedback module 23 send feedback signal, output pwm signal to the luminance adjustment module 24, adjust the aluminum substrate and
The LED lamp bead luminous intensity of lamp bead 5；
The output feedback module 23 is used to acquire the current strength of 22 output pwm signal of IC control modules, and will
Collected current strength feeds back to the IC control modules 22, forms IC control modules 22 to the luminance adjustment module 24
Closed-loop control；
The luminance adjustment module 24 is used to carry out constant current and Isobarically Control to the LED lamp bead of the aluminum substrate and lamp bead 5.
Embodiment 3：Fig. 1, Fig. 2 are participated in, above-mentioned outdoor highlight degree liquid crystal display further includes：Drive control plate 2 described in polylith,
Synchronous plate 25；
The synchronous plate 25 is used for 4300~5500 LED lamp beads of synchronous control, outdoor highlight degree liquid crystal screen surfaces highest
Brightness is 2000 lumens, and brightness uniformity reaches 90% or more.
Claims (1)
1. a kind of outdoor highlight degree liquid crystal display, it is characterised in that：It includes holder（1）, drive control plate（2）, bottom case（3）, it is anti-
Penetrate film（4）, aluminum substrate and lamp bead（5）, diffusion barrier（6）, bright enhancement film（7）, composite bright enhancement film（8）, fixed frame（9）, liquid crystal display glass
Glass（10）；
The holder（1）It is used to support outdoor highlight degree liquid crystal display；
The drive control plate（2）Mounted on the holder（1）, the bottom case（3）Between, for the aluminum substrate and lamp bead
（5）Power drives；
The reflectance coating（4）Mounted on the bottom case（3）, the aluminum substrate and lamp bead（5）Between, for by the aluminum substrate and
Lamp bead（5）The uniform light that sends out of LED lamp bead be reflected into the diffusion barrier（6）；
The aluminum substrate and lamp bead（5）Mounted on the bottom case（3）, the bright enhancement film（7）Between, LED lamp bead is outdoor highlight
The light source of liquid crystal display is spent, maximum brightness reaches 20000 lumens, and the luminous heat generated of LED lamp bead passes through the bottom case（3）It dissipates
Hair；
The diffusion barrier（6）Mounted on the aluminum substrate and lamp bead（5）, the bright enhancement film（7）Between, it is used for the aluminum substrate
And lamp bead（5）The light that sends out of LED lamp bead uniformly spread, achieve the effect that optics is spread；
The bright enhancement film（7）Mounted on the diffusion barrier（6）, composite bright enhancement film（8）Between, it is used for the aluminum substrate and lamp bead
（5）The dispersed light that sends out of LED lamp bead assemble to positive direction；
The composite bright enhancement film（8）Mounted on the bright enhancement film（7）, the fixed frame（9）Between, for will transmit through described add lustre to
The aluminum substrate and lamp bead of film (7)（5）The dispersed light that sends out of LED lamp bead assemble again to positive direction；
The glasses for LCD（10）For showing；
The drive control plate（2）Including：Light collection module（21）, IC control modules（22）, output feedback module（23）, brightness
Adjustment module (24)；
The light collection module（21）Opto-electronic conversion is carried out for being acquired to extraneous intensity of illumination, and by collected signal
Afterwards, the IC control modules (22) are sent to；
The IC control modules（22）For receiving the light collection module（21）The extraneous light intensity signal of transmission, described in reception
Export the feedback signal that feedback module (23) is sent, output pwm signal to the luminance adjustment module（24）, adjust the aluminium base
Plate and lamp bead（5）LED lamp bead luminous intensity；
The output feedback module（23）For acquiring the IC control modules（22）The current strength of output pwm signal, and will
Collected current strength feeds back to the IC control modules（22）, form IC control modules（22）To the luminance adjustment module
(24) closed-loop control；
The luminance adjustment module (24) is used for the aluminum substrate and lamp bead（5）LED lamp bead carry out constant current and Isobarically Control；
Further include：Drive control plate described in polylith（2）, synchronous plate（25）；
The synchronous plate（25）For 4300 ~ 5500 LED lamp beads of synchronous control, outdoor highlight degree liquid crystal screen surfaces maximum brightness
For 2000 lumens, brightness uniformity reaches 90% or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089489.3A CN105575337B (en) | 2016-02-17 | 2016-02-17 | A kind of outdoor highlight degree liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089489.3A CN105575337B (en) | 2016-02-17 | 2016-02-17 | A kind of outdoor highlight degree liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105575337A CN105575337A (en) | 2016-05-11 |
| CN105575337B true CN105575337B (en) | 2018-08-17 |
Family
ID=55885399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610089489.3A Expired - Fee Related CN105575337B (en) | 2016-02-17 | 2016-02-17 | A kind of outdoor highlight degree liquid crystal display |
Country Status (1)
| Country | Link |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634777A (en) * | 2009-02-27 | 2010-01-27 | 超亮显示***（深圳）有限公司 | Ultra-high brightness LED matrix straight-downward backlight module applied to large-scale LCD |
| CN102168824A (en) * | 2010-02-26 | 2011-08-31 | 深圳市创先照明科技有限公司 | Lighting lamp for LED (Light Emitting Diode) three-dimensional pixel induction screen |
| CN202118694U (en) * | 2011-05-23 | 2012-01-18 | 上海兴驰电子有限公司 | Direct illumination type light emitting diode backlight and light emitting diode advertising lamp board |
| CN204005555U (en) * | 2014-07-30 | 2014-12-10 | 超亮显示***（深圳）有限公司 | Be applied to the two backing structures of side-light type of LCD liquid crystal display |
| CN204178088U (en) * | 2014-10-22 | 2015-02-25 | 天津通广集团振通电子有限公司 | A kind of intelligent backlight module possessing night vision compatible function |
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| Publication number | Publication date |
|---|---|
| CN105575337A (en) | 2016-05-11 |
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