CN105575337A - Outdoor high-brightness liquid crystal screen - Google Patents
Outdoor high-brightness liquid crystal screen Download PDFInfo
- Publication number
- CN105575337A CN105575337A CN201610089489.3A CN201610089489A CN105575337A CN 105575337 A CN105575337 A CN 105575337A CN 201610089489 A CN201610089489 A CN 201610089489A CN 105575337 A CN105575337 A CN 105575337A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- aluminium base
- enhancement film
- module
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 33
- 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
- 239000011324 bead Substances 0.000 claims abstract description 28
- 238000009792 diffusion process Methods 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims description 33
- 230000004888 barrier function Effects 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 238000004020 luminiscence type Methods 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 230000011514 reflex Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract 1
- 206010070834 Sensitisation Diseases 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 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 an outdoor high-brightness liquid crystal screen which comprises a bracket (1), a drive control board (2), a bottom shell (3), a reflecting film (4), an aluminum substrate and lamp beads (5), a diffusion film (6), a bright enhancement film (7), a composite bright enhancement film (8), a fixing frame (9) and liquid crystal screen glass (10). The outdoor high-brightness liquid crystal screen disclosed by the invention has multiple protection functions against reverse connection of input, short circuit, overvoltage and the like; multiple ICs can be synchronized to an external clock through each other to control 4,300-5,500 LED lamps, the highest brightness reaches 20,000 Lumen, the brightness uniformity can exceed 90%, and the picture is still bright and colorful when seen away under the sun; and moreover, the cost is low, the light sensing function is strong, and little light pollution is caused.
Description
Technical field
The invention belongs to field of liquid crystal display, particularly the outdoor liquid crystal display of one.
Background technology
Liquid crystal display uses in a large number out of doors, quality preferably Samsung, Youda's liquid crystal display in market be show the most outstanding, but also exist: about A advises maximum 700 lumens of liquid crystal display, outdoor display pattern easily occurs fuzzy, and price is higher, there is certain resistance for universal liquid crystal display outdoor advertising industry.For the defect existed in the actual use of above-mentioned outdoor commercial liquid crystals screen, be badly in need of a kind of high brightness screen that can substitute outdoor LED screen.
Summary of the invention
The object of the invention is: provide a kind of outdoor highlight degree liquid crystal display, maximum brightness reaches 2000 lumens, time remote under sunlight, picture is still bright and colourful, and dynamic image is smooth without smear, and cost is low, sensitization function is strong, light pollution is little, can closely operate.
Technical scheme of the present invention is: a kind of outdoor highlight degree liquid crystal display, and it comprises: support 1, drived control plate 2, drain pan 3, reflectance coating 4, aluminium base and lamp pearl 5, diffusion barrier 6, bright enhancement film 7, composite bright enhancement film 8, fixed frame 9, glasses for LCD 10;
Described support 1 is for supporting outdoor highlight degree liquid crystal display;
Described drived control plate 2 is arranged between described support 1, described drain pan 3, for the power drives to described aluminium base and lamp pearl 5;
Described reflectance coating 4 is arranged between described drain pan 3, described aluminium base and lamp pearl 5, and the uniform light for the LED lamp bead of described aluminium base and lamp pearl 5 being sent reflexes to described diffusion barrier 6;
Described aluminium base and lamp pearl 5 are arranged between described drain pan 3, described bright enhancement film between 7, and LED lamp bead is the light source of outdoor highlight degree liquid crystal display, and maximum brightness reaches 20000 lumens, and the heat that LED lamp bead luminescence produces is distributed by described drain pan 3;
Described diffusion barrier 6 is arranged between described aluminium base 5, described bright enhancement film between 7, evenly spreads for the light LED lamp bead of described aluminium base and lamp pearl 5 sent, and reaches the effect of optics diffusion;
Described bright enhancement film 7 is arranged between described diffusion barrier 6, composite bright enhancement film 8, assembles to frontal for the dispersed light LED lamp bead of described aluminium base and lamp pearl 5 sent;
Described composite bright enhancement film 8 is arranged between described bright enhancement film 7, described fixed frame 9, for the dispersed light sent through the described aluminium base of described bright enhancement film 7 and the LED lamp bead of lamp pearl 5 again being assembled to frontal;
Described glasses for LCD 10 is for display.
Further: described drived control plate 2 comprises: light collection module 21, IC control module 22, output feedack module 23, luminance adjustment module 24;
Described light collection module 21 gathers for intensity of illumination to external world, and after the signal collected is carried out opto-electronic conversion, sends to described IC control module 22;
The ambient light strength signal that described IC control module 22 sends for receiving described light collection module 21, receive the feedback signal that described output feedack module 23 sends, output pwm signal, to described luminance adjustment module 24, regulates the LED lamp bead luminous intensity of described aluminium base and lamp pearl 5;
The strength of current collected for gathering the strength of current of described IC control module 22 output pwm signal, and is fed back to described IC control module 22 by described output feedack module 23, forms the closed-loop control of IC control module 22 to described luminance adjustment module 24;
Described luminance adjustment module 24 is for carrying out constant current and Isobarically Control to the LED lamp bead of described aluminium base and lamp pearl 5.
Further: outdoor highlight degree liquid crystal display also comprises: drived control plate 2, synchronous plate 25 described in polylith;
Described synchronous plate 25 is for synchro control 4300 ~ 5500 LED lamp bead, and the surface maximum brightness of outdoor highlight degree liquid crystal display is 2000 lumens, and brightness uniformity reaches more than 90%.
The present invention adopts application-specific integrated circuit chip controls driving LED lamp; there is the DC/DC constant-current supply scheme of PWM port; there is the multi-protective functions such as input is anti-reverse, short circuit, overvoltage; control 4300 ~ 5500 LED can be used for by synchronized with each other to an external clock by multiple IC; maximum brightness reaches 20000 lumens, and brightness uniformity can reach more than 90%, when ensureing that the original resolution of liquid crystal display, contrast, color saturation are constant; picture is distinct, and image quality is fine and smooth.Time remote under sunlight, picture is still bright and colourful, and cost is low, sensitization function is strong, light pollution is little.Measured power LED back projection type is highlighted reaches 20000 Lhr.s, 65 cun of liquid crystal display below power 400W, and 70 cun of liquid crystal display below power 800W, power consumption is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is drived control case diagram of the present invention.
Embodiment
Embodiment 1: participate in Fig. 1, a kind of outdoor highlight degree liquid crystal display, it comprises: support 1, drived control plate 2, drain pan 3, reflectance coating 4, aluminium base and lamp pearl 5, diffusion barrier 6, bright enhancement film 7, composite bright enhancement film 8, fixed frame 9, glasses for LCD 10;
Described support 1 is for supporting outdoor highlight degree liquid crystal display;
Described drived control plate 2 is arranged between described support 1, described drain pan 3, for the power drives to described aluminium base and lamp pearl 5;
Described reflectance coating 4 is arranged between described drain pan 3, described aluminium base and lamp pearl 5, and the uniform light for the LED lamp bead of described aluminium base and lamp pearl 5 being sent reflexes to described diffusion barrier 6;
Described aluminium base and lamp pearl 5 are arranged between described drain pan 3, described bright enhancement film between 7, and LED lamp bead is the light source of outdoor highlight degree liquid crystal display, and maximum brightness reaches 20000 lumens, and the heat that LED lamp bead luminescence produces is distributed by described drain pan 3;
Described diffusion barrier 6 is arranged between described aluminium base 5, described bright enhancement film between 7, evenly spreads for the light LED lamp bead of described aluminium base and lamp pearl 5 sent, and reaches the effect of optics diffusion;
Described bright enhancement film 7 is arranged between described diffusion barrier 6, composite bright enhancement film 8, assembles to frontal for the dispersed light LED lamp bead of described aluminium base and lamp pearl 5 sent;
Described composite bright enhancement film 8 is arranged between described bright enhancement film 7, described fixed frame 9, for the dispersed light sent through the described aluminium base of described bright enhancement film 7 and the LED lamp bead of lamp pearl 5 again being assembled to frontal;
Described glasses for LCD 10 is for display.
Embodiment 2: participate in Fig. 1, Fig. 2, above-mentioned outdoor highlight degree liquid crystal display, described drived control plate 2 comprises: light collection module 21, IC control module 22, output feedack module 23, luminance adjustment module 24;
Described light collection module 21 gathers for intensity of illumination to external world, and after the signal collected is carried out opto-electronic conversion, sends to described IC control module 22;
The ambient light strength signal that described IC control module 22 sends for receiving described light collection module 21, receive the feedback signal that described output feedack module 23 sends, output pwm signal, to described luminance adjustment module 24, regulates the LED lamp bead luminous intensity of described aluminium base and lamp pearl 5;
The strength of current collected for gathering the strength of current of described IC control module 22 output pwm signal, and is fed back to described IC control module 22 by described output feedack module 23, forms the closed-loop control of IC control module 22 to described luminance adjustment module 24;
Described luminance adjustment module 24 is for carrying out constant current and Isobarically Control to the LED lamp bead of described aluminium base and lamp pearl 5.
Embodiment 3: participate in Fig. 1, Fig. 2, above-mentioned outdoor highlight degree liquid crystal display, also comprises: drived control plate 2, synchronous plate 25 described in polylith;
Described synchronous plate 25 is for synchro control 4300 ~ 5500 LED lamp bead, and the surface maximum brightness of outdoor highlight degree liquid crystal display is 2000 lumens, and brightness uniformity reaches more than 90%.
Claims (3)
1. an outdoor highlight degree liquid crystal display, is characterized in that: it comprises support (1), drived control plate (2), drain pan (3), reflectance coating (4), aluminium base and lamp pearl (5), diffusion barrier (6), bright enhancement film (7), composite bright enhancement film (8), fixed frame (9), glasses for LCD (10);
Described support (1) is for supporting outdoor highlight degree liquid crystal display;
Described drived control plate (2) is arranged between described support (1), described drain pan (3), for the power drives to described aluminium base and lamp pearl (5);
Described reflectance coating (4) is arranged between described drain pan (3), described aluminium base and lamp pearl (5), reflexes to described diffusion barrier (6) for the uniform light LED lamp bead of described aluminium base and lamp pearl (5) sent;
Described aluminium base and lamp pearl (5) to be arranged between described drain pan (3), described bright enhancement film between (7), LED lamp bead is the light source of outdoor highlight degree liquid crystal display, maximum brightness reaches 20000 lumens, and the heat that LED lamp bead luminescence produces is distributed by described drain pan (3);
Described diffusion barrier (6) to be arranged between described aluminium base (5), described bright enhancement film between (7), light for the LED lamp bead of described aluminium base and lamp pearl (5) being sent evenly spreads, and reaches the effect of optics diffusion;
Described bright enhancement film (7) is arranged between described diffusion barrier (6), composite bright enhancement film (8), assembles to frontal for the dispersed light LED lamp bead of described aluminium base and lamp pearl (5) sent;
Described composite bright enhancement film (8) is arranged between described bright enhancement film (7), described fixed frame (9), for the dispersed light sent through the described aluminium base of described bright enhancement film (7) and the LED lamp bead of lamp pearl (5) again being assembled to frontal;
Described glasses for LCD (10) is for display.
2. a kind of outdoor highlight degree liquid crystal display as is described in the claims, is characterized in that: described drived control plate (2) comprising: light collection module (21), IC control module (22), output feedack module (23), luminance adjustment module (24);
Described light collection module (21) gathers for intensity of illumination to external world, and after the signal collected is carried out opto-electronic conversion, sends to described IC control module (22);
The ambient light strength signal that described IC control module (22) sends for receiving described light collection module (21), receive the feedback signal that described output feedack module (23) sends, output pwm signal, to described luminance adjustment module (24), regulates the LED lamp bead luminous intensity of described aluminium base and lamp pearl (5);
Described output feedack module (23) is for gathering the strength of current of described IC control module (22) output pwm signal, and the strength of current collected is fed back to described IC control module (22), form IC control module (22) to the closed-loop control of described luminance adjustment module (24);
Described luminance adjustment module (24) is for carrying out constant current and Isobarically Control to the LED lamp bead of described aluminium base and lamp pearl (5).
3. a kind of outdoor highlight degree liquid crystal display as is described in the claims, is characterized in that, also comprise: drived control plate (2), synchronous plate (25) described in polylith;
Described synchronous plate (25) is for synchro control 4300 ~ 5500 LED lamp bead, and the surface maximum brightness of outdoor highlight degree liquid crystal display is 2000 lumens, and brightness uniformity reaches more than 90%.
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 true CN105575337A (en) | 2016-05-11 |
| CN105575337B 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 |
|---|---|
| CN (1) | CN105575337B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060193148A1 (en) * | 2005-02-28 | 2006-08-31 | Lg Philips Lcd Co., Ltd. | Light-emitting diode backlight assembly and liquid crystal display device using the same |
| CN101634777A (en) * | 2009-02-27 | 2010-01-27 | 超亮显示系统（深圳）有限公司 | Ultra-high brightness LED matrix straight-downward backlight module applied to large-scale LCD |
| CN201621532U (en) * | 2010-02-10 | 2010-11-03 | 深圳帝光电子有限公司 | Directly-down type ultrathin LED back light module unit |
| CN101956941A (en) * | 2010-10-22 | 2011-01-26 | 深圳威德森科技有限公司 | LED (Light Emitting Diode) aquarium light |
| CN201945776U (en) * | 2010-12-28 | 2011-08-24 | 歌尔声学股份有限公司 | LED backlight display device |
| 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 |
| CN202017954U (en) * | 2010-11-05 | 2011-10-26 | 惠科电子（深圳）有限公司 | Backlight module of ultra-narrow edge splice display 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 |
| CN202838914U (en) * | 2012-09-29 | 2013-03-27 | 西安诺瓦电子科技有限公司 | Light-emitting diode (LED) screen brightness control system |
| CN203215452U (en) * | 2013-04-18 | 2013-09-25 | 深圳市伟志光电股份有限公司 | Novel mobile phone backlight source of main screen non-retaining-wall structure |
| CN204005555U (en) * | 2014-07-30 | 2014-12-10 | 超亮显示系统（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 |
| CN205722745U (en) * | 2016-02-17 | 2016-11-23 | 宁波摩通信息科技有限公司 | A kind of outdoor highlight degree liquid crystal display screen |
-
2016
- 2016-02-17 CN CN201610089489.3A patent/CN105575337B/en not_active Expired - Fee Related
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060193148A1 (en) * | 2005-02-28 | 2006-08-31 | Lg Philips Lcd Co., Ltd. | Light-emitting diode backlight assembly and liquid crystal display device using the same |
| CN101634777A (en) * | 2009-02-27 | 2010-01-27 | 超亮显示系统（深圳）有限公司 | Ultra-high brightness LED matrix straight-downward backlight module applied to large-scale LCD |
| CN201621532U (en) * | 2010-02-10 | 2010-11-03 | 深圳帝光电子有限公司 | Directly-down type ultrathin LED back light module unit |
| 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 |
| CN101956941A (en) * | 2010-10-22 | 2011-01-26 | 深圳威德森科技有限公司 | LED (Light Emitting Diode) aquarium light |
| CN202017954U (en) * | 2010-11-05 | 2011-10-26 | 惠科电子（深圳）有限公司 | Backlight module of ultra-narrow edge splice display screen |
| CN201945776U (en) * | 2010-12-28 | 2011-08-24 | 歌尔声学股份有限公司 | LED backlight display device |
| 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 |
| CN202838914U (en) * | 2012-09-29 | 2013-03-27 | 西安诺瓦电子科技有限公司 | Light-emitting diode (LED) screen brightness control system |
| CN203215452U (en) * | 2013-04-18 | 2013-09-25 | 深圳市伟志光电股份有限公司 | Novel mobile phone backlight source of main screen non-retaining-wall structure |
| CN204005555U (en) * | 2014-07-30 | 2014-12-10 | 超亮显示系统（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 |
| CN205722745U (en) * | 2016-02-17 | 2016-11-23 | 宁波摩通信息科技有限公司 | A kind of outdoor highlight degree liquid crystal display screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105575337B (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2011110068A (en) | IMAGE DISPLAY DEVICE, TV RECEIVER, METHOD FOR DISPLAYING AN IMAGE DISPLAY DEVICE AND METHOD FOR CONTROLLING A TV RECEIVER | |
| CN103366693A (en) | Brightness compensating method and regional light modulating circuit thereof, and liquid crystal display | |
| US8638407B2 (en) | Liquid crystal display (LCD) system and method | |
| CN106444158A (en) | Large-size liquid crystal screen LED matrix direct type highlight backlight module | |
| CN205722745U (en) | A kind of outdoor highlight degree liquid crystal display screen | |
| CN101298904A (en) | LED wall washing lamp | |
| TW200849197A (en) | 2D-dimming of illuminating member for display device | |
| CN202363084U (en) | Direct type LED (light emitting diode) backlight assembly and liquid crystal display using same | |
| CN206440924U (en) | A kind of Large-size LCD Screen LED matrix straight-down negative highlighting backlight module | |
| CN102855823A (en) | Panchromatic LED (light emitting diode) display screen with good visual effect | |
| CN105575337A (en) | Outdoor high-brightness liquid crystal screen | |
| CN105371161B (en) | A kind of LED direct-light-type backlights and its luminescent method | |
| CN103431690B (en) | LED Indivitual display illumination screen | |
| CN106128315A (en) | The energy-conservation mosaic screen of LED-backlit of a kind of Intelligent adjustment color and control method thereof | |
| TWI254267B (en) | Dimming control method and lighting system employing the same | |
| TWI273818B (en) | Method for automatically adjusting back-light brightness | |
| CN107908065A (en) | Adaptive light sensation optical projection system and its method for displaying projection | |
| CN204300813U (en) | A kind of LED direct-light-type backlight | |
| CN208172445U (en) | A kind of intelligent display backlight module | |
| CN208460792U (en) | A kind of full-color stage lighting light source of novel RGBW type | |
| CN207424458U (en) | Direct-light-type backlight based on dual chip LED lamp bead | |
| CN206363062U (en) | A kind of high brightness backlights source for digital camera | |
| CN201589140U (en) | Direct back light set | |
| CN201282586Y (en) | Automatic regulating apparatus for LED backlight source of liquid crystal | |
| CN211906917U (en) | Backlight control system of liquid crystal display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |