CN1825957B - Wireless display - Google Patents
Wireless display Download PDFInfo
- Publication number
- CN1825957B CN1825957B CN2006100662888A CN200610066288A CN1825957B CN 1825957 B CN1825957 B CN 1825957B CN 2006100662888 A CN2006100662888 A CN 2006100662888A CN 200610066288 A CN200610066288 A CN 200610066288A CN 1825957 B CN1825957 B CN 1825957B
- Authority
- CN
- China
- Prior art keywords
- module
- wireless
- usb interface
- wireless usb
- video data
- 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.)
- Active
Links
Images
Abstract
This invention relates to a radio display device including a control module, a user control unit connected with the control module, a USB interface module, a LCD driver, an amplifying and D/A converting module, a display screen and an audio output device connected with the LCD driver, power amplifying and D/A converting module and a power supply or its interface, in which, the USB interface module receives the decoded audio and video data flows sent by peripheral equipments and converts them into a mode identified by the control module, a microcontroller distributes the audio and video data flows into the power amplifying and D/A converting module and the LCD driver, which converts the video data flow into the format suitable for the display of screens and the converting module converts the audio data flow into analog signals to be amplified and output to the audio output device to be played.
Description
[affiliated technical field]
The present invention relates to a kind of wireless display, particularly a kind of audio frequency and video data stream of utilizing Wireless USB to receive the process decoding, and with the device that on display screen and audio output device, displays the play after its processing.
[background technology]
Along with digital technology development is maked rapid progress, the video entertainment device is also more and more cheap, thereby the trend that becomes the electronic equipment that family generally has is arranged greatly, and these video play devices can be play the video and the voice data of self storage.
Seeing also shown in Figure 1ly, is the schematic diagram of the video play device of prior art.It mainly comprises: processing module, the operating state of each parts in the control of video playing device, the work of the computing of deal with data, it comprises processor and buffer storage that is connected with processor respectively and internal memory, processing module is carried out the processing of data and the control of inputoutput data, part instruction or data that buffer storage is called in from hard disk near the instruction address of carrying out are used the executory data of memory for processor; Hard disk links to each other with processing module, is used for various data such as store video/audio frequency; Video Codec is connected with processing module, and the video data decoding that processing module accesses is exported; Display screen, the video data of receiver, video codec output, and carry out image output; Audio codec is connected with processing module, exports with the voice data decoding of processing module output and after being converted to analog signal; Audio output device receives the audio signal and the broadcast of audio codec output; Power supply unit is to each parts power supply of video play device; User control unit is connected with processing module, receives the signal of user's control of video playing device work; Interface module is connected with processing module, is used for carrying out transfer of data with external equipment.
According to said structure, the video play device of prior art is owing to need be provided with the large storage capacity hard disk, so volume and weight is all very big, in addition, the setting of devices such as processor, audio/video codec also makes the price of video play device very expensive.
In addition, also disclosed a kind of network that utilizes in the prior art multimedia resource information of storing in the computer has been sent to the technology that displays the play in TV and the sound equipment, see also Chinese patent application number: 03142806.1, the applying date: on June 13rd, 2003, denomination of invention: a kind of wireless multimedia transmission system and its implementation.This patented technology is the wireless multimedia communication terminal that a wirelessly transmitting data is set between personal computer and audio ﹠ video equipment, obtains multimedia resource information and transfer to audio ﹠ video equipment by this communication terminal to display the play on personal computer.The defective of above-mentioned patented technology is that this wireless multimedia communication terminal is independently to be provided with audio ﹠ video equipment and to be connected with cable, therefore wireless multimedia communication terminal needs to be connected respectively with audio ﹠ video equipment in use, under the situation that no audio ﹠ video equipment is used, can't realize the function that the audio frequency and video broadcast shows, in addition, this wireless multimedia communication terminal is provided with and will be carried out the decoder of local decompress(ion) by the multimedia resource information of obtaining on the computer, and need be provided with the bigger processor of corresponding data processing amount, thereby increased manufacturing cost.
In addition, please refer to document " Wireless Universal Serial BusSpecification ", be published on May 12nd, 2005, it has disclosed the Wireless USB technology of utilizing a kind of wirelessly transmitting data, can be implemented between wireless USB apparatus within three meters of the distances its message transmission rate can reach 480,000,000/second, in ten meters of equipment room distances its message transmission rate can reach 110,000,000/second.
[summary of the invention]
The objective of the invention is to, a kind of wireless display of new structure is provided, technical problem to be solved is to make it can obtain the video and the audio data stream of process decoding by the Wireless USB interface module, and can on display screen and audio output device, show, play after handling, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of wireless display that the present invention proposes, it comprises: display screen, and receiving video data, and with the video data demonstration that receives; Audio output device, received audio signal, and with this audio signal broadcast; User control unit receives the control information that the user sends; Power supply or power interface are realized each parts power supply to display unit, and it also comprises: the Wireless USB interface module is used for carrying out transfer of data with external equipment; Control module is controlled the work of each parts and the processing of data, is connected with Wireless USB interface module, user control unit, and it comprises microcontroller and the internal memory that is connected with microcontroller, and internal memory is used to deposit the interim data of handling of microcontroller; Lcd driver is connected with control module; Power amplifier and D/A converter module are connected with audio output device with control module respectively; Wherein, the Wireless USB interface module converts the discernible sound of control module, video data stream format to after its sound that receives, video data stream are unpacked; Microcontroller will be shunted by sound, video data stream that the Wireless USB interface module sends, send video data stream to lcd driver, send audio data stream to power amplifier and D/A converter module; The video data stream that lcd driver sends control module is converted to and is fit to the video data format that display screen shows; The audio data stream that power amplifier and D/A converter module send control module is converted to analog signal and amplifies and exports the audio output device broadcast to.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid wireless display, wherein said Wireless USB interface module comprise Wireless USB interface control module that is connected with control module and the Wireless USB that is connected with this Wireless USB interface control module transmitting-receiving interface.
Aforesaid wireless display, wherein said Wireless USB interface module adopt orthogonal frequency division multiplexi transmission data.
Aforesaid wireless display, wherein said Wireless USB transmitting-receiving interface is made of the RTL8170 cake core.
Aforesaid wireless display, it also comprises an image processing module that links to each other with control module, it is handled video data, and exports the processed video data to lcd driver.
Aforesaid wireless display, wherein said control module will contrast by the frame number that the frame number and the setting display screen per second of the reception of Wireless USB interface module per second are play, at the frame number that receives by Wireless USB interface module per second when setting the frame number that the display screen per second play, send the signal that every frame data are compressed in request by the Wireless USB interface module to external equipment, and control, start image processing module, by image processing module Wireless USB interface module view data that receive, after external equipment compresses is recovered to handle.
The button that aforesaid wireless display, wherein said user control unit comprise whether a control image processing module works and whether send the signal that request compresses every frame data to external equipment.
Aforesaid wireless display, it also comprises buffer storage, is connected with microcontroller, is used for depositing exporting the data flow that shows or play temporarily.
Aforesaid wireless display, whether it also comprises Wireless USB interface switch module, be connected with the Wireless USB interface module, and control this Wireless USB interface module and work.
Aforesaid wireless display, it also comprises the display screen switch module, is connected with display screen, whether control display screen works.
Aforesaid wireless display, wherein said lcd driver is converted to the multiplex data stream of exporting with R, G, B three tunnel with the single channel video data stream of control module output.
Aforesaid wireless display, wherein said lcd driver or described control module generate a synchronous signal, and the multiplex data stream that is converted to R, G, B three tunnel outputs is shown on the display screen synchronously.
By technique scheme, wireless display of the present invention has following advantage at least:
One, than the MP4 of prior art, wireless display of the present invention has reduced hard disk and sound, Video Decoder, and can use microcontroller to replace microprocessor, thereby saved cost significantly, alleviated weight, and can make the user can with the scope of external equipment transmission tone video data stream in enjoy high definition audio/video play and show;
Two, can carry out transfer of data to a plurality of wireless displays by an external equipment, increase the convenience that uses;
Three, the wireless display of the present invention frame number that can transmit in the unit interval according to the Wireless USB interface module, the request external equipment sends the data flow of different compression factor, thereby can play the data flow of different compression factor with the data transmission bauds of Wireless USB interface module.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
[description of drawings]
Fig. 1 is the schematic diagram of the video play device of prior art.
Fig. 2 is the structural representation of wireless display of the present invention.
[embodiment]
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its concrete structure of wireless display, execution mode, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Seeing also shown in Figure 2ly, is the structural representation of wireless display of the present invention.It mainly comprises: display screen, and receiving video data, and with the video data demonstration that receives; Audio output device, received audio signal, and with this audio signal broadcast; User control unit receives the signal that the user controls wireless display work; Power supply or power interface are realized each parts power supply to display unit; The Wireless USB interface module is used for carrying out transfer of data with external equipment; Control module, control the work of each parts and the processing of data, be connected with Wireless USB interface module, user control unit, to export respectively by sound, video data stream that the Wireless USB interface module receives through decoding, it comprises microcontroller (MCU) and the internal memory that is connected with microcontroller, the work of this microprocessor controls wireless display, internal memory are used to store the interim data of handling of microcontroller; Lcd driver is connected with control module; Power amplifier and D/A converter module are connected with audio output device with control module respectively.Wherein, the Wireless USB interface module converts the discernible sound of control module, video data stream format to after its sound that receives, video data stream are unpacked; Microcontroller will be shunted by sound, video data stream that the Wireless USB interface module sends, send video data stream to lcd driver, send audio data stream to power amplifier and D/A converter module; The video data stream that lcd driver sends control module is converted to and is fit to the video data format that display screen shows; The audio data stream that power amplifier and D/A converter module send control module is converted to analog signal and amplifies and exports the audio output device broadcast to.
Above-mentioned data flow through decoding is to be exported by the external equipment with Wireless USB interface module, and this external equipment is to be personal multi-media computer, PDA, mobile phone etc.The audio-video document that said external equipment is decoded needs is passed in the internal memory by hard disk, CPU carries out partial decoding of h to it, video data behind the partial decoding of h is passed among the GPU (graphics processing unit) of video card, GPU handles and finishes decoding to data, machine bus or dma mode are passed to the Wireless USB interface module and be sent in the wireless display of the present invention as calculated with decoded data flow (being digital signal to be played) then.In addition, said external equipment can carry out the audio-video document of decoding processing to the wireless display transmission by the Wireless USB interface module, the user control unit of process wireless display selects to carry out the audio-video document of decoding processing, carries out decoding processing and transmission by external equipment then.
Above-mentioned lcd driver is converted to the multiplex data stream of exporting with R, G, B three tunnel with the single channel video data stream of control module output.Above-mentioned lcd driver or described control module generate a synchronous signal, and the multiplex data stream that is converted to R, G, B three tunnel outputs is shown on the display screen synchronously.
The Wireless USB interface module of wireless display of the present invention comprises Wireless USB interface control module that is connected with control module and the Wireless USB that is connected with this Wireless USB interface control module transmitting-receiving interface.Particularly, above-mentioned Wireless USB transmitting-receiving interface is made of the RTL8170 cake core that Taiwan Ruiyu Semiconductor Co. Ltd produces.
Because wireless display of the present invention and external equipment institute data packets for transmission are drawn together: view data, voice data.The flow of voice data is much smaller than view data, and therefore, voice data can be ignored to the influence of bandwidth.Resolution with video image is 640 * 480ppi, and the distinguishable live image of human eye was 24 frame/seconds, and color is 32 calculating, then carries out the required message transmission rate of video playback and is:
640×480×32×24＝225Mbps
According to above calculating, the required bandwidth of wireless display displaying video of the present invention and audio frequency is less than the bandwidth of the 480Mbps that Wireless USB provided.Therefore can utilize the audio frequency and the video data of Wireless USB transmission, be implemented on the wireless display of the present invention and play in real time through decoding.
Above-mentioned Wireless USB interface module receives external equipment and sends data flow through audio/video decoding, and the data that receive are unpacked, decode, by microcontroller (MCU) control, with the organizing image data in the frame time section in piece image.Particularly, above-mentioned lcd driver or microcontroller (MCU) generate a synchronous signal, and control module is shown on the two field picture according to the data sync of each pixel in this synchronizing signal control view data.
Wireless display of the present invention also comprises buffer storage, is connected with microcontroller, is used for depositing exporting the data that show or play temporarily.The above-mentioned data flow through decoding that receives by the Wireless USB interface module can be stored in the buffer storage temporarily.
Wireless display of the present invention comprises an image processing module, links to each other with control module, and it is handled video data, and exports the processed video data to lcd driver.Thereby the data through the processing of overcompression reduction transmission speed that above-mentioned image processing module can send external equipment are recovered to handle, and the view data after will handling exports lcd driver to.
The control module of wireless display of the present invention will contrast by the frame number that the frame number and the setting display screen per second of the reception of Wireless USB interface module per second are play, at the frame number that receives by Wireless USB interface module per second when setting the frame number that the display screen per second play, send the signal that every frame data are compressed in request by the Wireless USB interface module to external equipment, after external equipment receives this signal, institute is sent every frame data to be compressed, thereby under the constant situation of the data transmission bauds of Wireless USB interface module, can transmitting and displaying shield the frame number of required broadcast in unit interval, simultaneously, control module control, start image processing module, the Wireless USB interface module is received by image processing module, view data after external equipment compresses is recovered to handle.By above-mentioned processing, avoided when the data transmission bauds deficiency of Wireless USB interface module, occurring the problem of time-delay.
Above-mentioned reduction data traffic is handled the pixel that comprises in the data traffic that will send and is taken turns a road or two-way among filtering R, G, the B three tunnel, for example send the pixel of R value, G value, B value in turn, and in above-mentioned reduction is handled, use on each pixel the value of the last pixel of R, the G, B value and unreceived R, the G that receive, B value to superpose.
Particularly, the above-mentioned user control unit button that comprises whether a control image processing module works and whether send the signal that request compresses every frame data to external equipment.
Whether wireless display of the present invention also comprises Wireless USB interface switch module, be connected with the Wireless USB interface module, and control this Wireless USB interface module and work.In addition, wireless display of the present invention also can comprise the display screen switch module, is connected with display screen, and whether control display screen works.Above-mentioned Wireless USB interface switch module and display screen switch module can receive the control information that the user sends by user control unit, and handle accordingly, as select Wireless USB interface module or display screen to close, then interrupt the power supply of power supply or power interface to this device.In addition, control module also comprises a clock circuit, does not receive control information as user control unit in setting-up time, then closes display screen by control module control display screen switch module.
Claims (10)
1. wireless display, it comprises: display screen, receiving video data, and the video data that receives shown; Audio output device, received audio signal, and with this audio signal broadcast; User control unit receives the control information that the user sends; Power supply or power interface are realized each parts power supply to display unit, and described wireless display also comprises:
The Wireless USB interface module is used for carrying out transfer of data with external equipment;
Control module is controlled the work of each parts and the processing of data, is connected with Wireless USB interface module, user control unit, and it comprises microcontroller and the internal memory that is connected with microcontroller, and internal memory is used to deposit the interim data of handling of microcontroller;
Lcd driver is connected with control module;
Power amplifier and D/A converter module are connected with audio output device with control module respectively;
Wherein, the Wireless USB interface module converts the discernible sound of control module, video data stream format to after its sound that receives, video data stream are unpacked; Microcontroller will be shunted by sound, video data stream that the Wireless USB interface module sends, send video data stream to lcd driver, send audio data stream to power amplifier and D/A converter module; The video data stream that lcd driver sends control module is converted to and is fit to the video data format that display screen shows; The audio data stream that power amplifier and D/A converter module send control module is converted to analog signal and amplifies and exports the audio output device broadcast to.
It is characterized in that, described wireless display also comprises an image processing module that links to each other with control module, described control module will contrast by the frame number that the frame number and the setting display screen per second of the reception of Wireless USB interface module per second are play, at the frame number that receives by Wireless USB interface module per second when setting the frame number that the display screen per second play, send the signal that every frame data are compressed in request by the Wireless USB interface module to external equipment, and control, start image processing module, by image processing module the Wireless USB interface module is received, view data after external equipment compresses is recovered to handle, and described processed video data export lcd driver to.
2. wireless display according to claim 1 is characterized in that wherein said Wireless USB interface module comprises Wireless USB interface control module that is connected with control module and the Wireless USB that is connected with this Wireless USB interface control module transmitting-receiving interface.
3. wireless display according to claim 2 is characterized in that wherein said Wireless USB interface module adopts orthogonal frequency division multiplexi transmission data.
4. wireless display according to claim 2 is characterized in that wherein said Wireless USB transmitting-receiving interface is made of the RTL8170 cake core.
5. wireless display according to claim 1, the button that it is characterized in that wherein said user control unit comprises whether a control image processing module works and whether send the signal that request compresses every frame data to external equipment.
6. wireless display according to claim 1 is characterized in that it also comprises buffer storage, is connected with microcontroller, is used for depositing exporting the data flow that shows or play temporarily.
7. whether wireless display according to claim 1 is characterized in that it also comprises Wireless USB interface switch module, be connected with the Wireless USB interface module, and control this Wireless USB interface module and work.
8. wireless display according to claim 1 is characterized in that it also comprises the display screen switch module, is connected with display screen, and whether control display screen works.
9. wireless display according to claim 1 is characterized in that wherein said lcd driver is converted to the multiplex data stream of exporting with R, G, B three tunnel with the single channel video data stream of control module output.
10. wireless display according to claim 9 is characterized in that wherein said lcd driver or described control module generate a synchronous signal, and the multiplex data stream that is converted to R, G, B three tunnel outputs is shown on the display screen synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100662888A CN1825957B (en) | 2006-03-31 | 2006-03-31 | Wireless display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100662888A CN1825957B (en) | 2006-03-31 | 2006-03-31 | Wireless display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1825957A CN1825957A (en) | 2006-08-30 |
| CN1825957B true CN1825957B (en) | 2011-09-07 |
Family
ID=36936347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100662888A Active CN1825957B (en) | 2006-03-31 | 2006-03-31 | Wireless display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1825957B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533648B (en) * | 2009-04-23 | 2012-06-13 | 广州番禺巨大汽车音响设备有限公司 | Digital household network hard disk system and method for realizing plug and play |
| CN102196312A (en) * | 2010-03-02 | 2011-09-21 | 北大方正集团有限公司 | Audio and video data stream playing method and device |
| CN102665059A (en) * | 2012-04-01 | 2012-09-12 | 深圳市凯利华电子有限公司 | Converter for multiple video signals |
| JP5853862B2 (en) * | 2012-05-23 | 2016-02-09 | ソニー株式会社 | Information processing apparatus, information processing system, and information processing method |
| CN104464786B (en) * | 2014-11-21 | 2018-06-26 | 西安诺瓦电子科技有限公司 | A kind of audio control apparatus and method |
| CN113257289A (en) * | 2021-06-17 | 2021-08-13 | 成都天软信息技术有限公司 | Portable vehicle-mounted audio-video system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323483A (en) * | 1998-10-15 | 2001-11-21 | 英国电讯有限公司 | Computer communication providing quality of service |
-
2006
- 2006-03-31 CN CN2006100662888A patent/CN1825957B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323483A (en) * | 1998-10-15 | 2001-11-21 | 英国电讯有限公司 | Computer communication providing quality of service |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1825957A (en) | 2006-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101076100B (en) | Method and apparatus for transmitting decoded data fluid to display device | |
| CN101910999B (en) | Method, apparatus and system for generating and facilitating mobile high-definition multimedia interface | |
| CN1825957B (en) | Wireless display | |
| CN105450965B (en) | A kind of video conversion method, device and system | |
| US8526882B2 (en) | Data transmission device, system and method using the same | |
| US20170171502A1 (en) | Electronic device and method for implementing split television and split television | |
| CN116419018A (en) | Vehicle-mounted multi-screen simultaneous display method based on USB wired screen projection | |
| CN104580289B (en) | A kind of methods, devices and systems being controlled to user equipment | |
| CN101247490A (en) | Portable off-site video relay broadcasting system | |
| CN103974062B (en) | Image display device, image display system and method for displaying image | |
| CN1987632A (en) | Radio transmission device, system and its method for projection display device | |
| CN103686045A (en) | Audio/video information transmission method and equipment | |
| CN102638726A (en) | Multimedia stream transmission method and system based on terahertz wireless communication | |
| CN100591117C (en) | Wireless displaying device and wire-less displaying method | |
| CN101009897A (en) | Apparatus and method for outputting audio data using wireless terminal | |
| CN208369735U (en) | A kind of video montaging device based on wireless transmission | |
| CN201323633Y (en) | Wireless video transmitting system and wireless video transmitting device | |
| CN201541328U (en) | Data transmission device | |
| CN102957842A (en) | Method, device and system for processing video images | |
| CN201623751U (en) | Digital TV phone with video output | |
| CN201813469U (en) | Ultrathin television with separated circuit mainboard and screen panel | |
| CN101193222A (en) | A device for getting and playing video and audio data | |
| KR101606133B1 (en) | Apparatus and method for providing digital multimedia broadcast service using external device and digital tv | |
| CN101232614A (en) | Wireless image transmitting instrument and data processing method thereof | |
| CN215072677U (en) | Live broadcast device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: BEIJING HUAQI INFORMATION + DIGITAL TECHNOLOGY CO., LTD. Effective date: 20130716 Owner name: BEIJING AIGO INTELLECTUAL PROPERTY SERVICE CO., LT Free format text: FORMER OWNER: BEIJING HUAQI CODE TECH. LAB. CO., LTD. Effective date: 20130716 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130716 Address after: 100080, room 58, No. 1110 West Fourth Ring Road, Haidian District, Beijing Patentee after: Beijing patriot Intellectual Property Service Co., Ltd. Address before: 100080 Beijing, North Fourth Ring Road West, No. 58, International Building, ideal level 11, Patentee before: Beijing Huaqi Code Tech. Lab. Co., Ltd. Patentee before: Beijing Huaqi Information & Digital Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING AIGO INTELLECTUAL PROPERTY SERVICE CO., LTD. Effective date: 20131014 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100080 HAIDIAN, BEIJING TO: 100015 CHAOYANG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131014 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Address before: 100080, room 58, No. 1110 West Fourth Ring Road, Haidian District, Beijing Patentee before: Beijing patriot Intellectual Property Service Co., Ltd. |