CN101710475A - Multifunctional display system for pedestrian street - Google Patents
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- CN101710475A CN101710475A CN200910237735A CN200910237735A CN101710475A CN 101710475 A CN101710475 A CN 101710475A CN 200910237735 A CN200910237735 A CN 200910237735A CN 200910237735 A CN200910237735 A CN 200910237735A CN 101710475 A CN101710475 A CN 101710475A
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Abstract
The invention relates to a multifunctional display system for a pedestrian street, which belongs to the fields of communication, display and media technology and comprises a 3G or 4G superhigh brightness outdoor liquid crystal display, a multifunctional charity benefit box and a supporting frame. The 3G or 4G super brightness outdoor liquid crystal display comprises a liquid crystal panel, a high brightness backlight, an automatic brightness adjustment system, a sound reinforcement system, an automatic temperature adjustment system, a 3G/4G multifunctional drive plate, a special power supply which can supply 9.6V, 12V, 5V multi-group working voltage and a casing; an LVDS interface on the 3G/4G multifunctional drive plate is connected with the liquid crystal panel, and a RS232 interface of the 3G/4G multifunctional drive plate is connected with the automatic brightness adjustment system which controls the high-brightness blacklight through a data line; an audio interface on the 3g/4G multifunctional drive plate is connected with the sound reinforcement system; the automatic temperature adjustment transmits temperature data to the 3G/4G multifunctional drive plate for controlling the working of a draught fan; and the special power supply supplies a plurality of groups of working voltage and respectively supplies power for each part. The multifunctional display system for a pedestrian street has the functions of automatic receiving, storage and playing of video and texts, issuing of public information and the like.
Description
Technical field
The invention belongs to communication field, demonstration field and media technology field, a kind of multifunctional display system for pedestrian street particularly is provided, based on the video transmission function of 3G/4G wireless network, has the multifunctional display system for pedestrian street of video, literal automatic reception, storage, broadcast, public information issue.
Background technology
Though the advertisement media market of China is just at the early-stage, its market value is near 3,000 hundred million yuan/year, and still with surpass 20%/year speed increase.Indoor video medium user Focus, boat U.S., enlightening bank etc. have all obtained a large amount of financings overseas, the speed of expansion is very fast, also there is tremendous development mobile media user BAMC, WorldCom Warner etc., but the advertisement media industry is except that print media, TV station's medium, maximum audient remain concentrate on outdoor, and outdoor audient is enforceable to the acceptance of ad content basically, easily the scenery of advertisement content with periphery had a panoramic view.The advertisement media industry is the industry that needs most intention, innovation, do not have intention, do not have innovation just can not attract audient's eyeball, intention, innovation have been penetrated into the subtlety in each slit in the advertisement media industry, everywhere be advertisement, advertisement arranged everywhere, but really can attract still technically the innovation of user's eyeball for a long time, technical innovation can be the vast advertisement media company new manor of developing.The carrier of the existing outdoor advertising in shopping mall all is the advertising with lamp box or big screen LED display screen, lamp box not only advertisement content is few, and the intension of advertisement still less, what advertisement was showed mainly is the content of propaganda of brand class or notice class, can't the exhibiting product series advertisements, the advertisement of exhibiting product class just must have video, picture and text explanation, just must realize by TV class player; The LED pixel interval is big, it all is form appearance with giant-screen, only be suitable for watching at a distance, the audient does not have the long-time custom that comes back and watch, and the arrival rate of ad content is very low, undersized LED screen, pixel is difficult to represent video image clearly inadequately again, and daytime, contrast was not enough, and evening is dazzling again, also be difficult to be accepted, so all be difficult to move to the user of releasing advertisements as the advertisement media company of media releasing advertisement with the LED screen by spectators.
Open-minded along with the 3G/4G wireless network, the channel width of mobile phone is expanded, wireless mobile TV becomes possibility, it is predicted that only the advertisement value of mobile TV just can reach 60,000,000,000 yuan/year, the expansion of mobile phone channel width has not only been opened passage for mobile TV, and mobile TV is become a reality, now still in the perhaps very fast meeting of digital radio mobile TV of expanding along with opening of 4G network made way for the 4G wireless communication networks that marketplace platform is bigger, coverage rate is wider.
The way that the artificial video points to each dispersion of dependence such as Focus, boat U.S., enlightening bank, WorldCom Warner are changed film source needs huge cost of labor undoubtedly; Network by special use also needs special wiring and control center, and its input will be far longer than the input of video terminal, and it also is unpractical adopting private network; Using local internet on the spot is the way of most economical practicality, but because the confidentiality of internet is very poor, is to look audio frequency multiple terminals medium for popularity, is which country all dare not be opened easily.So all there is huge development bottleneck in the development of these medium, but the unattended duty management of opening to the multiple spot video and audio terminal of strong security, the 3G/4G wireless network that is easy to manage provides passage, adopt the 3G/4G wireless network not only can realize many viewpoints of disperseing, the unattended duty of multiple terminals, and can realize real-time picture and text, look voice playing or downloading and playing that the equipment of control terminal is also very simple.The multi-functional demonstration inquiry system in shopping mall just is based on the 3G/4G wireless network a kind of picture and text that can be used for advertisement media industry, government emergency commander, look voice playing platform and emergency information distribution platform.
Harmony is a theme current and following society, charities are glorious causes, should be the theme that society advocates, the charitable contribution case of being convenient to pedestrian's contribution is set in the shopping mall has the crowd of mercy to go to help the crowd who wants help especially for convenience, embodies the Chinese virtue of taking pleasure in helping people.
Summary of the invention
The object of the present invention is to provide a kind of multifunctional display system for pedestrian street, based on 3G/4G mobile phone wireless broadband communications network, employing can be used for outdoor super brightness LCD, utilize the 3G/4G wireless broadband network to realize the issue of various multimedia image informations, multifunctional display system for pedestrian street receives by the 3G/4G wireless module, deliver to the CPU processing module with the digital television information that digital television module receives, carry out information editing's processing, and send driver module with the information of handling well, quicken and the normal data processing, deliver to display device according to the display mode order again and show, finish the issue of realtime graphic information and propagate.Be together to form multifunctional display system for pedestrian street by the super bright LCD that has 3G/4G wireless reception function that is fixed on support frame and the money box, provide a kind of and can issue picture and text, city emergency commading, looked advertisement or the bulletin multimedia messages distribution platform and the charitable contribution platform of AV continuously.
The present invention is made up of the super bright outdoor LCD of 3G/4G, multi-functional charitable contribution case and support frame, as shown in Figure 1, the mounting structure relation of three parts as shown in figure 12, the super bright outdoor LCD of 3G/4G is placed on topmost to be convenient to the pedestrian and to watch, the input operation that is convenient for people to solicit contributions below multi-functional charitable contribution case is placed on, support frame have corresponding highly can being placed on the ground to install.
The outdoor super brightness LCD of 3G/4G
(super brightness refers to shield the body luminance index at 1800CD/M to 3G/4G super brightness display
2～2000CD/M
2) form by liquid crystal panel, high brightness backlights source, brightness automatic adjustment system, sound reinforcement system, temperature automatic adjustment system, 3G/4G TV drive plate, power source special (power source special refers to provide 9.6V, 12V, 5V to organize the power supply of operating voltage more) and seal casinghousing, as shown in Figure 2.With 3G/4G TV drive plate be core with each several part between produce and be connected control relation, LVDS interface on the 3G/4G TV drive plate connects liquid crystal panel, the RS232 interface of 3G/4G TV drive plate connects the brightness automatic adjustment system, the brightness automatic adjustment system is by data line control high brightness backlights source, audio interface on the 3G/4G TV drive plate connects sound reinforcement system, the temperature automatic adjustment system is passed to temperature data the work of 3G/4G TV drive plate control blower fan, power source special provides many group operating voltage, powers to each several part respectively.
Wherein key is a 3G/4G TV drive plate, and it is made up of 3G/4G wireless module, digital television module, video module, CPU, driver module, as shown in Figure 3.Each module all adopts corresponding data bus to connect.
The core of image signal transmission of the present invention is to utilize the existing liquid crystal tv technology and the 3G/4G mobile phone wireless network platform, utilize the 3G/4G wireless broadband network to realize the issue of multimedia messages widely, but make multifunctional display system for pedestrian street really become a mass information platform that the more information real time inspection can be provided.And at any place that the 3G/4G wireless network can cover, the multifunctional display system that can both use.Can receive the bandwidth of information among the present invention when the high-speed mobile more than 30 kilometers per hour for single 3G mobile number: the bandwidth of 3G is 144Kb/s, adopt single 3G mobile channel can not satisfy progressive video and transmit desired bandwidth, can satisfy literal and picture transmission requirement.Message pick-up need satisfy demonstration high-resolution picture and continuous video dynamic image, before 4G does not open, need a plurality of numbers bandwidth that enlarges message pick-up of using in parallel, four in parallel uses of number, just can make bandwidth reach 576Kb/s for 3G network, just can satisfy demonstration high-resolution picture and continuous video dynamic image.
The 3G/4G wireless module: the reception that realizes the 3G/4G cellphone information and the 3G/4G network information is handled, and various image informations are collected queuing, offers cpu motherboard and carries out playback process.CPU can also be by the 3G/4G wireless module from 3G/4G webserver downloading and playing file to this locality, played file then.
Digital television module: realize the program that 3G/4G radio multimedium LCD can receiving digital television, CPU obtains digital TV contents from digital television module, outputs to display device then.
Video module: the ordinary tv programme content is provided.
CPU: be the total system core, realize mainly that played file is upgraded, the decoding of 3G/4G wireless image information and digital television information, command process, demonstration control etc.
Driver module: obtain the CPU video data, quicken then to output to display device, alleviate CPU operation burden.
Major function flow process of the present invention as shown in figure 11.System receives mobile phone signal and network signal and the digital television signal of 3G/4G, by corresponding information encoding process, deliver to the pattern that the broadcast information management is finished the setting of display command and shown control, the broadcast information consolidation formization is delivered to the driver module frequency multiplication quicken, send video module to finish demonstration with the HDMI data of standard again.
Multi-functional charitable contribution case:
Multi-functional charitable contribution case improves the concern of people to the charitable contribution cause for reducing in the agitation that waits man-hour, and ad hoc the whip-round with lottery played, and encourages to pay close attention to philanthropic people and contributes for charities.
For guaranteeing the appearance looks elegant of whole multifunctional display system for pedestrian street, the thickness of money box adopts and the same thickness of high brightness LCD TV; For making things convenient for the pedestrian to solicit contributions, money box is positioned at the below of LCDs, and money box is solicited contributions mouth and should be arranged between 800～1200mm apart from floor level.
Support frame
Supporting bracket mainly plays a part to support money box and LCD, is the convenience of anti-corrosion and wiping, adopts stainless pipe or the square tube material of main part as supporting bracket, and periphery is decorated and also adopted stainless-steel sheet as ornament materials all around.
Design considerations of the present invention " multimedia system technical manual book " is write, aspect technical design with reference to relevant ITU-T consensus standard:
ITU-T is H.225: based on the multimedia communications system call signaling and the media flow transmission agreement of packet network;
ITU-T is H.230: the frame synchronization control and the indicator signal C﹠amp of audiovisual system; I;
ITU-T is H.239: Digital Video System utilizes single video to connect the double-current standard that the transmission additional video is used;
ITU-T is H.243: utilize the 2Mbit/s channel to set up method for communicating in the audiovisual terminals more than 2～3;
ITU-T is H.245: control protocol for multimedia communication;
ITU-T is H.246: support mutual between the multimedia terminal of H serial protocols;
ITU-T is H.261: about the Video Codec of P X 64Kbit/s audio-visual service;
ITU-T is H.263: about the coding and decoding video of low bit rate communication;
ITU-T is W H.263Annex: about 50/60 video encoding and decoding standard of low bit rate communication;
ITU-T is H.264: about the high-level efficiency video encoding and decoding of low bit rate communication;
ITU-T is H.282: remote equipment steering logic channel transfer;
ITU-T is H.283: the remote equipment control protocol of multimedia application;
ITU-T is H.235: multimedia link superencipherment rules;
IETF SIP:IETF IP network multi-media communication agreement.
Description of drawings (please by the modification accompanying drawing of pointing out in the accompanying drawing)
Fig. 1 is a multifunctional display system for pedestrian street composition diagram of the present invention.
Fig. 2 is a 3G/4G super brightness display device structure synoptic diagram of the present invention.
Fig. 3 is 3G/4G TV drive plate architecture logic figure of the present invention.
Fig. 4 is system capable of automatically adjusting brightness figure of the present invention.
Fig. 5 is panel of LCD of the present invention and housing and the high light glass of display surface connection layout.Wherein, seal casinghousing 1, the high saturating glass 2 of ultraviolet film, LCD TV panel 3, light guide plate 4, backlight 5, heating radiator 6.
Fig. 6 is auto temperature controlled system figure of the present invention.
Fig. 7 is the inlet and outlet design drawing of sealing of the present invention.Wherein, air outlet sealing 7, air inlet sealing 8.
Fig. 8 is the inlet and outlet design drawing of unlatching of the present invention.Wherein, air outlet unlatching 9, air inlet are opened 10, are gone up dust cover 11.
Fig. 9 is an air inlet dust cover design drawing of the present invention.Wherein, the air inlet dust cover 12 of dismantled and assembled cleaning.
Figure 10 is heat radiator of the present invention and air channel design drawing.Heating radiator 6, air exhauster 13, hair-dryer 14.
Figure 11 is a major function process flow diagram of the present invention.
Figure 12 is installation of the present invention and structural representation.Wherein, outdoor super bright LCD 15, charitable contribution case 16, support frame 17.
Embodiment
Fig. 1～12 are embodied as a kind of embodiment of the present invention.
The present invention is made up of the super bright outdoor LCD of 3G/4G, multi-functional charitable contribution case and support frame, as shown in Figure 1.
Each module major function and introduction of the outdoor super bright 3G/4G liquid crystal display systems of the present invention
1,3G/4G wireless module: its function mainly contains 2 points, and the one, receive the realtime graphic that the 3G/4G mobile phone is gathered, another is can be from 3G/4G webserver downloading and playing content.
2, digital television module: its major function is a directly receiving digital television signal of LCD TV.
3, video module: be the conventional func of LCD TV, mainly solve various video interface signal, for example: TV, Video, S-terminal, high definition component, VGA etc.
4, CPU module: be the total system core, mainly realize the management and the various processing of broadcast information, must carry out the processing of encoding and decoding for 3G/4G wireless image information and digital television information; All information data formats are unitized to be handled; Display command is handled; Show control etc.
5, driver module: it mainly obtains the CPU video data, then with the video data unification to the HDMI interface of standard, quicken to output to display device, alleviate CPU operation burden.
6, sound reinforcement system: adopt the automatic tuning system of voice, according to the automatic volume of adjusting megaphone of the size of environmental noise, guarantee that personnel can catch the sound of play content within 15 meters, the public address loudspeaker adopt the windproof and rain proof loudspeaker.
7, brightness adaptive control system: according to the ambient brightness value of measuring by illuminance transducer, the brightness of screen body is adjusted voluntarily according to outdoor illumination, screen body brightness automatic adjustment system is according to the outdoor illumination of sensor acquisition, and brightness is adjusted to the screen body automatically.The brightness automatic adjustment system is adjusted automatic adjustment system and is formed by illuminance transducer, the brightness of screen body, its ultimate principle is: the gated sweep plate with brightness point by point control function, the LED-backlit module is carried out the stage adjustment of brightness, variation with the brightness that conforms, avoid because of bright excessively cause watch dazzling and power wastage, watching of avoiding causing because of brightness is low excessively is unclear.This gated sweep plate can be realized the articulating control to polylith LED lamp plate in the LED-backlit module, realizes the brightness uniformity digitizing adjustment and the brightness programmed control of whole screen, and its schematic diagram as shown in Figure 4.Automatically adjust shielding body brightness continually according to the outdoor illumination of sensor senses for avoiding shielding body brightness meeting, influence is watched.The brightness adjustment of screen body is set to interim adjustment, and promptly in certain outdoor illumination range, the screen body of LCD TV adopts same brightness, according to the variation of outdoor illumination several each and every one brightness sections is set.When outdoor illumination greater than 1500lx/m
2The time, high-high brightness 2200cd/m is adjusted in the brightness of screen body automatically
2More than; When outdoor illumination at 1000～1500lx/m
2The time, brightness 1600cd/m is adjusted in the brightness of screen body
2When outdoor illumination at 500～1000lx/m
2The time, the brightness of screen body is adjusted to the brightness of screen body and is set to 1100cd/m
2When outdoor illumination at 100～500lx/m
2The time, 600cd/m is adjusted in the brightness of screen body
2When outdoor illumination is lower than 100lx/m
2The time, 100cd/m is adjusted in the brightness of screen body
2Below.
8, temperature automatic adjustment system
The antiultraviolet light transmission film is affixed on the high transparent glass of seal casinghousing front, as shown in Figure 5, forms the confined space of super bright TV with seal casinghousing.
Auto temperature controlled system is made up of temperature sensor, automatic control circuit system, automatic electromagnetic iron system, blower fan, air channel, heating radiator backlight and standby air-conditioning, as shown in Figure 6.Temperature sensor is passed to the automatic control circuit system with ambient temperature data, produces control level according to temperature information and offers automatic electromagnetic iron system, the work of control blower fan and the unlatching in air channel.When outdoor temperature is lower than 0 ℃, the opening sequence of LCD TV is to open the high brightness backlights source earlier, and the heat that utilizes the high brightness backlights source to produce is realized the heating to the screen body, and this moment, seal casinghousing was the space of a sealing, air outlet and air inlet all seal, as shown in Figure 7.When the temperature in the seal casinghousing space rose to more than 0 ℃, LCD TV panel and signal source were opened; When the temperature in the seal cavity rose to more than 40 ℃, air outlet and air inlet on the housing were opened automatically, realized seal casinghousing and extraneous heat loss through convection.Air outlet is positioned at the top of seal casinghousing, and for guaranteeing rainproof requirement, cover plate is arranged at the top of air outlet, and as shown in Figure 8, for preventing entering of dust, air inlet is provided with the dust cover of cleaning easy to assemble, as shown in Figure 9.Heating radiator backlight adopts and arranges perpendicular to picture, be provided with the heat radiator equal length of heating radiator backlight in the bottom or be slightly larger than the finedraw Parallel airflow of the band forced air supply of heat radiator, concavo-convex bottom vertical at heat radiator is blown in making progress, have in the extractor fan of bottom shape symmetry at the top of heating radiator backlight, as shown in figure 10, form the ventilation heat abstractor of superbright LCD TV.In extreme cold and extremely overheated area, under overheated or cold excessively situation, when relying on high brightness backlights source internal heat within ten minutes, can't be heated on 0 ℃, or when extremely the heat loss through convection of overheated dependence blower fan can't drop to the screen body temperature degree of LCD TV in 50 ℃, automatically open the air-conditioning decorum, and close ventilating opening up and down, rely on air-conditioning to adjust the interior temperature constant temperature of housing about 25 ℃.
Claims (6)
1. multifunctional display system for pedestrian street, comprise the super bright outdoor LCD of 3G or 4G, multi-functional charitable contribution case and support frame, it is characterized in that: 3G or 4G super brightness display are by liquid crystal panel, the high brightness backlights source, the brightness automatic adjustment system, sound reinforcement system, the temperature automatic adjustment system, the multi-functional drive plate of 3G/4G, power source special and shell are formed, with 3G or the multi-functional drive plate of 4G be core with each several part between produce and be connected control relation, LVDS interface on the multi-functional drive plate of 3G or 4G connects liquid crystal panel, the RS232 interface of 3G or the multi-functional drive plate of 4G connects the brightness automatic adjustment system, the brightness automatic adjustment system is by data line control high brightness backlights source, audio interface on the multi-functional drive plate of 3G or 4G connects sound reinforcement system, the temperature automatic adjustment system is passed to temperature data the work of 3G or the multi-functional drive plate control of 4G blower fan, power source special provides many group operating voltage, powers to each several part respectively.
The multi-functional drive plate of 3G or 4G is made up of 3G or 4G wireless module, digital television module, video module, CPU, driver module, and each module all adopts corresponding data bus to connect.
2. system according to claim 1 is characterized in that, 3G or 4G wireless module: the reception that realizes 3G/4G cellphone information and the 3G or the 4G network information is handled, and various image informations are collected queuing, offers cpu motherboard and carries out playback process.CPU by 3G or 4G wireless module from 3G or 4G webserver downloading and playing file to this locality, played file then.
3. system according to claim 1 is characterized in that, digital television module is realized the program that 3G or 4G radio multimedium LCD can receiving digital televisions, and CPU obtains digital TV contents from digital television module, outputs to display device then; Video module: the ordinary tv programme content is provided.
4. system according to claim 1 is characterized in that, CPU realizes decoding, command process, the demonstration control of played file renewal, 3G or 4G wireless image information and digital television information.
5. system according to claim 1 is characterized in that, driver module obtains the CPU video data, quickens then to output to display device, alleviates CPU operation burden;
Display device shows the content that receives, and supports HDMI interface display device.
6. system according to claim 1 is characterized in that, the power supply that provides 9.6V, 12V, 5V to organize operating voltage is provided described power source special more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102377355A CN101710475B (en) | 2009-11-18 | 2009-11-18 | Multifunctional display system for pedestrian street |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102377355A CN101710475B (en) | 2009-11-18 | 2009-11-18 | Multifunctional display system for pedestrian street |
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| Publication Number | Publication Date |
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| CN101710475A true CN101710475A (en) | 2010-05-19 |
| CN101710475B CN101710475B (en) | 2012-01-11 |
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ID=42403258
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102377355A Expired - Fee Related CN101710475B (en) | 2009-11-18 | 2009-11-18 | Multifunctional display system for pedestrian street |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745683A (en) * | 2013-09-27 | 2014-04-23 | 中傲智能科技（苏州）有限公司 | LED display screen control system based on HDMI interface |
| CN104021738A (en) * | 2014-06-20 | 2014-09-03 | 侯民 | Light box with large LED screen |
| CN104575324A (en) * | 2015-01-06 | 2015-04-29 | 深圳市维冠视界科技有限公司 | Movable advertising machine with continuous power supply system |
| WO2018133324A1 (en) * | 2017-01-22 | 2018-07-26 | 中兴通讯股份有限公司 | Backlight brightness adjusting method and device, and terminal |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201044454Y (en) * | 2007-04-04 | 2008-04-02 | 北京万视通科技有限公司 | Multimedia electric paper board device |
| CN101202641A (en) * | 2007-10-26 | 2008-06-18 | 北京同方瑞博数字技术有限公司 | Multimedia propagation system based on wireless mobile platform |
| CN201170939Y (en) * | 2008-02-01 | 2008-12-24 | 长沙高新开发区商讯通信息技术有限公司 | Multifunction information terminal |
| DE102008021013A1 (en) * | 2008-04-25 | 2009-10-29 | Pavlovic, Miodrag | Adaptive, remote controlled and mobile advertising and information system for e.g. show case, has stations for application in advertisement, where selection of advertisement and information and type of display takes place |
| CN201210386Y (en) * | 2008-06-10 | 2009-03-18 | 北京致高视点传媒广告有限公司 | Wireless transmission video advertisement machine |
| CN101436944A (en) * | 2008-08-06 | 2009-05-20 | 童浩铭 | 3G network advertisement play system |
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2009
- 2009-11-18 CN CN2009102377355A patent/CN101710475B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745683A (en) * | 2013-09-27 | 2014-04-23 | 中傲智能科技（苏州）有限公司 | LED display screen control system based on HDMI interface |
| CN103745683B (en) * | 2013-09-27 | 2016-09-21 | 中傲智能科技（苏州）有限公司 | LED display control system based on HDMI |
| CN104021738A (en) * | 2014-06-20 | 2014-09-03 | 侯民 | Light box with large LED screen |
| CN104575324A (en) * | 2015-01-06 | 2015-04-29 | 深圳市维冠视界科技有限公司 | Movable advertising machine with continuous power supply system |
| WO2018133324A1 (en) * | 2017-01-22 | 2018-07-26 | 中兴通讯股份有限公司 | Backlight brightness adjusting method and device, and terminal |
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|---|---|
| CN101710475B (en) | 2012-01-11 |
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Address after: 100029 Beichen West Road, Chaoyang District, Beijing 69 Patentee after: BEIJING FANGRUI BOSHI DIGITAL TECHNOLOGY CO., LTD. Address before: 100029 Beichen West Road, Chaoyang District, Beijing 69 Patentee before: Beijing Tongfang Rainball Digital Technology Co., Ltd. |
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Granted publication date: 20120111 Termination date: 20191118 |