CN201355533Y - LED display screen box bodies, LED display screens and LED display screen system - Google Patents

LED display screen box bodies, LED display screens and LED display screen system Download PDF

Info

Publication number
CN201355533Y
CN201355533Y CNU2008202341335U CN200820234133U CN201355533Y CN 201355533 Y CN201355533 Y CN 201355533Y CN U2008202341335 U CNU2008202341335 U CN U2008202341335U CN 200820234133 U CN200820234133 U CN 200820234133U CN 201355533 Y CN201355533 Y CN 201355533Y
Authority
CN
China
Prior art keywords
led display
light emitting
emitting diode
led
casing
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
Application number
CNU2008202341335U
Other languages
Chinese (zh)
Inventor
商松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Jushu Digital Technology Development Co Ltd
Original Assignee
Beijing Jushu Digital Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Jushu Digital Technology Development Co Ltd filed Critical Beijing Jushu Digital Technology Development Co Ltd
Priority to CNU2008202341335U priority Critical patent/CN201355533Y/en
Application granted granted Critical
Publication of CN201355533Y publication Critical patent/CN201355533Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Control Of El Displays (AREA)

Abstract

The utility model discloses LED display screen box bodies, LED display screens and an LED display screen system, wherein the LED display screen box bodies are used for forming the LED display screens and comprise box bodies which are evenly provided with a plurality of LEDs, control circuits for setting the LEDs and at least one identification unit which is used for identifying parameters of the LEDs; the LED display screens consist of a plurality of LED display screen box bodies; the LED display screen system comprises a plurality of LED display screens, acquisition devices and control devices; the acquisition devices are used for acquiring display data required by adjusting various points of the display screens and sending the display data to the control device; and the control devices are used for processing and generating the adjusting data according to the display data, and sending the adjusting data to a data processing unit. In the utility model, each box body has consistent display performances and good display effect, and is easy to quickly produce the display screens in batch.

Description

LED display casing, LED display and LED display system
Technical field
The utility model relates to a kind of LED lighting device, in particular, and a kind of LED display casing, LED display and LED display system.
Background technology
Generally constitute by some LED display casings than relatively large LED display, each LED display casing is provided with some LED light emitting diodes, the various performance parameters of LED light emitting diode, when producing led chip, formed, the nature parameters unanimity of the led chip of general same batch process, different batch led chips are different.
In the prior art, because LED display needs a large amount of LED light emitting diodes, each LED light emitting diode is because the restriction of production technology, the same batch process of all LED light emitting diodes of impossible same display screen, therefore, the parameter of each LED light emitting diode of the LED display of making has nothing in common with each other, and causes LED display inconsistent when showing, display effect is poor, and is easy to generate mosaic phenomenon etc.
Therefore, there is defective in prior art, needs to improve.
The utility model content
Technical problem to be solved in the utility model is, provide a kind of display performance unanimity, the LED display system that display effect is good is used to form the LED display casing of LED display and the LED display that can assemble fast and adjust and controls this LED display.
The technical solution of the utility model is as follows: a kind of LED display casing, be used to form LED display, and wherein, comprising: be evenly equipped with the casing of some LED light emitting diodes, the control circuit of described LED light emitting diode wherein is set; Described casing also comprises at least one identify unit, is used to identify the parameter of described LED light emitting diode.
Described LED display casing wherein, also comprises at least one overheat switch, the power circuit that it is series at each LED light emitting diode, and the temperature that is used in described casing surpasses when pre-seting temperature, disconnects the power circuit of each LED light emitting diode.
Described LED display casing, wherein, each LED light emitting diode adopts the encapsulation of black silica gel.
Described LED display casing, wherein, described identify unit embeds the edge part that is arranged on described casing.
Described LED display casing, wherein, described sign unit is a paper labels or plastic label; Perhaps, has the bar code that designs according to described LED light emitting diode parameter.
Described LED display casing, wherein, described LED light emitting diode is OLED light emitting diode and drives structure thereof.
A kind of LED display wherein, comprises that several are as above-mentioned arbitrary LED display casing; And described LED display also comprises a data processing unit, is used to receive outside processing signals, to each casing, adjusts the wherein brightness of each LED light emitting diode.
Described LED display casing wherein, also comprises a data processing unit, is used to receive outside processing signals, adjusts the brightness of each LED light emitting diode.
A kind of LED display wherein, comprises that several are as above-mentioned arbitrary LED display casing.
A kind of LED display system wherein, comprises above-mentioned arbitrary described LED display, harvester and control device; Described harvester is used to obtain adjust and states the required video data of each lamp point of display screen, sends to described control device; Described control device is used for according to described video data, handles to generate and adjusts data, sends to described data processing unit
Adopt such scheme, the utility model is by on the LED display casing, at least one identify unit is set, identify the parameter of described LED light emitting diode, the various parameters of LED that provide by LED manufacturer, be identified on each LED display casing by identify unit, and warehousing, therefore, when being assembled into LED display, the LED display casing of each performance parameter unanimity is formed same display screen, the display performance unanimity of the LED display of forming, display effect is very good, and, assembling fast, and is easy to adjust; Adopt the harvester image data, and control this LED display, make the display performance unanimity thereby form one, the LED display system that display effect is good by control device.
Description of drawings
Fig. 1 is the synoptic diagram of LED display casing in the utility model;
Fig. 2 is the synoptic diagram of each LED LED control circuit in the utility model;
Fig. 3 is another synoptic diagram of LED display casing in the utility model;
Fig. 4 is the synoptic diagram of LED display in the utility model;
Fig. 5 is another synoptic diagram of LED display in the utility model;
Fig. 6 is the synoptic diagram of LED display system in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment 1
As shown in Figure 1, present embodiment provides a kind of LED display casing 101, and LED display casing 101 is provided with some LED light emitting diodes 107, and each LED light emitting diode evenly distributes, and for example, is arranged on the LED display casing.Here said uniform, be in the usual way, row are embarked on journey, become to each LED light emitting diode, perhaps, be arranged on the casing of LED display by definite shape, by the combination of each casing, thereby can form a LED display; When arranging each LED light emitting diode by given shape, can shape with the LED display of an abnormity.
LED display casing 101 is used to form LED display, shows various figures, literal, animation etc. with this; The LED display casing also can be set to equidimensions such as 16CM * 32CM, 32CM * 32CM, 32CM * 64CM according to actual needs, for example, is set to 16 centimetres and takes advantage of 16 centimetres.
Described LED light emitting diode 107 comprises red LED light emitting diode, blue led light emitting diode and green LED light emitting diode respectively, LED display casing 101 can comprise wherein a kind of color or wherein any two kinds of colors or the LED light emitting diode of three kinds of colors wherein, be that each LED light emitting diode of arranging on the LED display casing 101 can be provided with quantity and color according to actual needs.
Usually, at least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode can be formed a LED pixel, the LED pixel that comprises three kinds of colors can be by the independent respectively control of control module, cooperatively interact and send versicolor light, can be used to show various animations, therefore, on the general LED display casing, each LED light emitting diode of arranging comprises the LED light emitting diode of three kinds of colors.
For example, on the casing of LED display, being arranged has some LED pixels, and each LED pixel comprises 1 red LED light emitting diode, 1 green LED light emitting diode and 1 blue led light emitting diode; Perhaps, each LED pixel comprises 2 red LED light emitting diodes, 1 green LED light emitting diode and 1 blue led light emitting diode.
Because the luminescence efficiency of red LED is lower, therefore each LED pixel is provided with 2 red LED light emitting diodes, can improve the luminescence efficiency of red LED light emitting diode, make the mutual better fit of LED light emitting diode of three kinds of colors, thereby make the animation effect of demonstration better.Each LED light emitting diode or each LED pixel are arranged, can satisfy the display effect that the rule of general LED display is arranged.
And for example, the LED light emitting diode is except can adopting traditional epoxy encapsulation, and each LED light emitting diode can also adopt the silicone encapsulation of black.
Silicones is to have highly cross-linked cancellated polysiloxane, has the dual nature of organic resin and inorganic material concurrently, has unique physical and chemical performance.Mainly comprise: methyl phenyl silicone resin, methyl silicon resin, low phenyl methyl silicones, the organic siliconresin emulsion, the self-drying type organic siliconresin, the high temperature modification organic siliconresin, epoxy modified silicone resin, organosilicon polyester modified resin, self-drying type environmental protection organic siliconresin, environment-protecting silicone resin, the non-viscous paint organic siliconresin, high light organic siliconresin, the benzyl transparent silicon resin, methyl transparent organic silicon resin, the bonding silicones of mica, poly-methyl silicon resin, amino silicone, fluorine silicon resin, silicon resin solution, the organosilicon-epoxide resin, organic silicon polyester resin, the solvent-resisting organic siliconresin, the organic siliconresin tackifier, the fluorine silicon resin sealant, the high-temperature resisting methyl silicones, the self-drying type organic silicon insulating varnish, methyl MQ silicones, vinyl MQ silicones and organosilicon acrylic resin coating.
Because silicones has extraordinary light transmission, thermotolerance, corrosion-resistant and insulativity etc., so silicones can be used for the encapsulating material of LED light emitting diode.And the silicones of black, especially adopt zero luminance or approach zero black silicon resin, not only has good light transmittance, and silicones exerts an influence hardly to the light that the LED light emitting diode sends, therefore, adopt the silicone encapsulation of black, the light color that each LED light emitting diode sends is the purest, transmissivity is the highest, thereby makes the display effect of LED display casing best.
Described LED display casing 101 also comprises at least one identify unit 102, identify unit 102 is used to identify the parameter of each the LED light emitting diode that is arranged on the LED display casing 101, for example, the model of each LED light emitting diode, brightness, wavelength, colour temperature, operating voltage or the like.
Described identify unit 102 embeds the edge part that is arranged on described casing, for example, can be arranged on each side of LED display casing 101, for example be arranged on the side 104 of LED display casing 101, also can be set to other sides, for example, side 103 or side 105 or side 106; In addition, can also be arranged on the edge of side of LED display.
For example, identify unit 102 is arranged on the edge part of casing 101, can makes the display surface of LED display casing more attractive in appearance; And identify unit 102 embeddings are arranged on the described casing, can make identify unit 102 deposit, use, be not easy to come off under the situation such as transportation, make LED display casing, still can clearly recognize each parameter of each LED light emitting diode through long storage time, use or transportation.
And for example, indicate unit 102 and can be a paper labels or plastic label; In addition, indicate unit 102 and can also bar code can be imported computer like this, adopt the electronic tool management simultaneously for having the bar code that designs according to described LED light emitting diode parameter, management is standardized more, make in searching, more convenient when using each LED display casing.
As shown in Figure 2, each the LED light emitting diode on the LED display casing 101 is set,, controls that it is luminous, make each LED light emitting diode realize display text, picture and animation etc. by control circuit is set.
Described control circuit comprises a positive source line 204, a power-polar curve 206 and at least one signal wire 205.Positive source line 204 and power-polar curve 206 can provide voltage for the LED display casing, and each LED light emitting diode 107 is used for each display light source of LED display casing as light source.Control module 203 is used for each LED light emitting diode 107 of drive controlling, and according to the LED control signal of each signal wire 205 transmission, the LED light emitting diode of drive controlling varying number, make each LED light emitting diode can realize that different brightness change, and make to mutually combine between each LED light emitting diode and be the variation of different colours.
As: the control chip ZQL9712 that control module 203 is produced for the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd, four the control signal wire transmission of control signals of control chip ZQL9712 by forming by four leads, and, according to control signals transmitted, 3 LED light emitting diodes of drive controlling, or a plurality of versicolor LED light emitting diodes of drive controlling.
Control module 203 can also be set to the single line transmission control module, and the control signal wire of single line transmission of control signals only is a control signal wire of being made up of a lead.
And for example: the single line control chip ZQL1111 that single line control module 203 is produced for the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd, the control signal wire transmission of control signals of single line control chip ZQL1111 by forming by a lead, and, according to control signals transmitted, 3 different LED light emitting diodes of drive controlling.
Above-mentioned control module 203, positive source line 204, power-polar curve 206 and signal wire 205 all are arranged on the pcb board, described pcb board is fixed on the LED display casing, on the described pcb board other electronic devices and components can also be installed, for example, install be used to the preventing excessive resistance of electric current, install have energy storage, every the electric capacity of straight effect etc.
In addition; too high in order to prevent the temperature in the described LED display casing; so that each electronic devices and components in the casing burn out; the lost of life; can also comprise at least one overheat switch 202 at described control circuit; overheat switch 202 is series between each LED light emitting diode and the positive source circuit, and the temperature that is used in described casing surpasses when pre-seting temperature, disconnects the power circuit of each LED light emitting diode.
In order to make the power circuit that overheat switch 202 can each LED light emitting diode of automatic cutout, between overheat switch 202 and power supply, the inductor 201 of also connecting.Inductor 201 is used for the variation of temperature sensor; when temperature reached certain height, inductor 201 was closed overheat switch by power lead 204, and each LED light emitting diode is quit work; thereby prevent because of the temperature in the LED display casing too highly, and each electronic devices and components is burnt out.Inductor 201 can be set to temperature inductor.
In addition, be not subjected to the influence of surrounding environment for the light that each LED light emitting diode 107 is sent, as: absorption, reflection etc., can also on the surface of LED display casing, be covered with the rete of one deck black, rete can cover the surface of LED display casing by the mode of plated film, for example, cover the surface etc. of surface, each LED light emitting diode and the casing junction of described pcb board.
Because each LED light emitting diode is a silicone encapsulation, silicones does not produce any influence to the light that the LED light emitting diode sends; And, the surface of LED display casing also is coated with the rete of black simultaneously, the black rete can be common black plastic, black plastic has light absorptive, direct irradiation can be absorbed at the light on LED display surface, makes the demonstration of LED display not be subjected to the influence of extraneous factor, as the light of available light, the reflection of other objects etc., therefore, the contrast of each LED display casing is the highest, thereby the display effect of the LED display of forming is best.
In above-mentioned each example, described LED, can be OLED (Organic light-emitting diode, Organic Light Emitting Diode), comprise double-deck A type (double layer-A, DL-A), double-deck Type B (doublelayer-B, DL-B), three layers of A type (three layer-A, TL-A), three layers of Type B (three layer-B, TL-B), single quantum or Multiple Quantum Well (multiple quantumwell, MQW) OLED of structure or the like, the utility model do not make any additional limits to this.Like this, need not backlight, OLED adopts extremely thin coating of organic material and glass substrate, as electric current by the time, OLED will be luminous, has that reaction is fast, in light weight, a thin thickness, simple structure, low cost and other advantages.
For example, described OLED basic structure is an indium tin oxide that links to each other with positive source (ITO), adds another metallic cathode, is bundled into the structure as sandwich.Comprised in the total layer: hole transmission layer (HTL, Hole Transport Layer), luminescent layer (EL, Emitter Layer) and electron transfer layer (ETL, Electron Transport Layer).When the supply appropriate voltage, the positive electrical hole will combine in luminescent layer with the negative electrode electric charge, produces light, according to the different RGB three primary colors that produce of its prescription, constitutes basic color.
Embodiment 2
As shown in Figure 3, in this example, LED display casing 101 also comprises a data processing unit 302, data processing unit 302 receives outside processing signals by data transmission link 301, and, according to the processing signals that transmit the outside, adjust the brightness of each LED light emitting diode.Because each LED light emitting diode is after producing shaping, its wavelength is determined, can not regulate again, therefore, therefore will make each LED diode displaying performance unanimity, can reach by regulating its brightness.
Data processing unit 302 can be regulated the brightness of each LED light emitting diode by data transmission link 301, makes each the LED diode displaying performance unanimity on the same LED display, makes display effect good, and, avoid occurring mosaic phenomenon.
Embodiment 3
As shown in Figure 4, present embodiment provides a kind of LED display, and this LED display is formed by some LED display box body combinations, for example, can be made up of LED display casing 101 and LED display casing 101a.And electrical connection is connected with signal between each LED display casing.Each casing of forming this LED display can be each routine described LED display casing among the embodiment 1.
Described LED display also comprises a data processing unit 302, data processing unit 302 is by data transmission link 301, receive outside processing signals, and, processing signals according to the outside transmission, adjust on LED display casing 101 and the LED display casing 101a brightness of each LED light emitting diode simultaneously.
Because each LED light emitting diode is after producing shaping, its wavelength is determined, can not regulate again, therefore, therefore will make each LED diode displaying performance unanimity, can reach by regulating its brightness.
Data processing unit 302 can be regulated the brightness of each LED light emitting diode by data circuit 301, makes each the LED diode displaying performance unanimity on the described LED display, makes display effect good, and, avoid occurring mosaic phenomenon.
Embodiment 4
As shown in Figure 5, present embodiment provides a kind of LED display, and this LED display is formed by some LED display box body combinations, for example, can be made up of LED display casing 101 and LED display casing 101a; And electrical connection is connected with signal between each LED display casing.Each casing of forming this LED display can be the described LED display casing of each specific embodiment among embodiment 1 and the embodiment 2.
Each LED display casing also comprises a data processing unit, and these data unit that comes out is used to adjust its corresponding LED display casing, and the brightness of each LED light emitting diode makes the brightness of each LED light emitting diode reach consistent.
For example, LED display casing 101 also comprises a data processing unit 302, and data processing unit 302 is by data circuit 301, receive outside processing signals, and, according to the processing signals of outside transmission, adjust on the LED display casing 101 brightness of each LED light emitting diode.
And for example, LED display casing 101a also comprises a data processing unit 302a, data processing unit 302a is by data circuit 301a, receive outside processing signals, and, according to the processing signals that transmit the outside, adjust on the LED display casing 101a brightness of each LED light emitting diode simultaneously.
Because, each LED light emitting diode is after producing shaping, its wavelength is determined, can not be regulated, therefore again, make each LED diode displaying performance unanimity, can reach by regulating its brightness, make each the LED diode displaying performance unanimity on the described LED display, make display effect good, and, avoid occurring mosaic phenomenon.
Embodiment 5
As shown in Figure 6, present embodiment provides a kind of LED display system, and this LED display system comprises a LED display 603, harvester 601 and control device 602.LED display 603 can be the described LED display of each specific embodiment among embodiment 3 and the embodiment 4.
LED display 603 is made up of some LED display casings and at least one data processing unit 302; Each LED display casing can be each routine described LED display casing among embodiment 1 and the embodiment 2, data processing unit 302 is regulated on its corresponding LED display casing by data transmission link 301, the brightness of each LED light emitting diode, so that each LED light-emitting diode luminance reaches consistent, make display effect good.
Wherein, a data processing unit 302, one data processing units 302 can only be set and regulate a plurality of LED display casings simultaneously.The quantity of the data processing unit 302 consistent with LED display casing quantity can also be set, each data processing unit 302 corresponding LED display casing of regulating, regulate the brightness of each the LED light emitting diode on its corresponding casing, make the data of brightness of each LED light emitting diode of adjusting more accurate, show unanimity more, display effect is better good.
Described harvester 601 is used to obtain the required video data of adjusting on the display screen 603 of each lamp point, and sends to described control device 602.The data that harvester 601 is gathered can also can be the various storage cards of importing video data in advance etc. from the PC PC.
Described control device 602 by data transmission link 301, receives the video data from harvester 601, and according to described video data, handles to generate and adjust data, sends to described data processing unit 302.
Data processing unit 302 is regulated on the LED display 603 by data circuit 301, and the brightness of each LED light emitting diode so that each LED light-emitting diode luminance reaches consistent, makes display effect very good, simultaneously, has avoided occurring mosaic phenomenon.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.

Claims (10)

1, a kind of LED display casing is used to form LED display, it is characterized in that, comprising: be evenly equipped with the casing of some LED light emitting diodes, the control circuit of described LED light emitting diode wherein is set;
Described casing also comprises at least one identify unit, is used to identify the parameter of described LED light emitting diode.
2, LED display casing according to claim 1; it is characterized in that also comprise at least one overheat switch, it is series at the power circuit of each LED light emitting diode; the temperature that is used in described casing surpasses when pre-seting temperature, disconnects the power circuit of each LED light emitting diode.
3, LED display casing according to claim 1 is characterized in that, each LED light emitting diode adopts the encapsulation of black silica gel.
4, LED display casing according to claim 1 is characterized in that, described identify unit embeds the edge part that is arranged on described casing.
5, LED display casing according to claim 1 is characterized in that, described sign unit is a paper labels or plastic label; Perhaps, has the bar code that designs according to described LED light emitting diode parameter.
6, LED display casing according to claim 1 is characterized in that, described LED light emitting diode is OLED light emitting diode and drives structure thereof.
7, LED display casing according to claim 1 is characterized in that, also comprises a data processing unit, is used to receive outside processing signals, adjusts the brightness of each LED light emitting diode.
8, a kind of LED display is characterized in that, comprises that several are as the arbitrary described LED display casing of claim 1 to 7.
9, a kind of LED display is characterized in that, comprises that several are as the arbitrary described LED display casing of claim 1 to 6;
And described LED display also comprises a data processing unit, is used to receive outside processing signals, to each casing, adjusts the wherein brightness of each LED light emitting diode.
10, a kind of LED display system is characterized in that, comprises LED display as claimed in claim 8 or 9, harvester and control device;
Described harvester is used to obtain adjust and states the required video data of each lamp point of display screen, sends to described control device;
Described control device is used for according to described video data, handles to generate and adjusts data, sends to described data processing unit.
CNU2008202341335U 2008-12-29 2008-12-29 LED display screen box bodies, LED display screens and LED display screen system Expired - Fee Related CN201355533Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202341335U CN201355533Y (en) 2008-12-29 2008-12-29 LED display screen box bodies, LED display screens and LED display screen system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008202341335U CN201355533Y (en) 2008-12-29 2008-12-29 LED display screen box bodies, LED display screens and LED display screen system

Publications (1)

Publication Number Publication Date
CN201355533Y true CN201355533Y (en) 2009-12-02

Family

ID=41411875

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008202341335U Expired - Fee Related CN201355533Y (en) 2008-12-29 2008-12-29 LED display screen box bodies, LED display screens and LED display screen system

Country Status (1)

Country Link
CN (1) CN201355533Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114360455A (en) * 2022-01-18 2022-04-15 深圳市华星光电半导体显示技术有限公司 Display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114360455A (en) * 2022-01-18 2022-04-15 深圳市华星光电半导体显示技术有限公司 Display device
CN114360455B (en) * 2022-01-18 2023-11-28 深圳市华星光电半导体显示技术有限公司 display device

Similar Documents

Publication Publication Date Title
CN101477774B (en) LED screen manufacturing process, display screen box, display screen and display screen system
CN202733594U (en) Integrally-formed LED (light-emitting diode) light carrier bundle
CN103247656A (en) Organic electroluminescent display device
CN201868043U (en) LED (light-emitting diode) display screen case body, LED display screen and LED display screen system
CN101866910A (en) Luminous device
CN108447407A (en) A kind of micromeritics LED display panel
CN101582221B (en) LED display device
CN101599239A (en) A kind of LED display device and LED display casing
CN201355545Y (en) LED display screen
CN201373278Y (en) LED light decoration
CN101645219B (en) Ground display screen module and ground display screen
CN201340702Y (en) LED display screen
CN201355533Y (en) LED display screen box bodies, LED display screens and LED display screen system
CN101487568B (en) Portable LED apparatus and LED system
CN201087784Y (en) Hybrid packaging type illuminating device
CN107358907A (en) Light emitting display device
CN207082534U (en) A kind of organic EL display panel
CN101582223B (en) LED display device
CN206864502U (en) Electroluminescent device and the display device containing it
CN101645217A (en) Transparent LED display screen
CN201340703Y (en) Permeable LED display screen
CN101546499B (en) Transparent LED display screen
CN101673491B (en) Arc surface LED display screen
CN201339847Y (en) LED street lamp
CN203351594U (en) Light emitting diode

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Anhui Situng Display Technology Co., Ltd.

Assignor: Beijing Jushu Digital Technology Development Co., Ltd.

Contract record no.: 2012440020197

Denomination of utility model: LED (light-emitting diode) display screen case body, LED display screen and LED display screen system

Granted publication date: 20091202

License type: Exclusive License

Record date: 20120705

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091202

Termination date: 20121229