CN102555925A - Automobile side window interactive entertainment system - Google Patents
Automobile side window interactive entertainment system Download PDFInfo
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- CN102555925A CN102555925A CN2012100832511A CN201210083251A CN102555925A CN 102555925 A CN102555925 A CN 102555925A CN 2012100832511 A CN2012100832511 A CN 2012100832511A CN 201210083251 A CN201210083251 A CN 201210083251A CN 102555925 A CN102555925 A CN 102555925A
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- laser
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- side window
- control circuit
- window glass
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Abstract
An automobile side window interactive entertainment system is used for substituting for a traditional small-sized headrest liquid crystal display, and utilizes large-sized automobile side window glass as a projection display screen. The system comprises a miniature laser projector and the automobile side window glass integrating a touch input function, the miniature laser projector comprises a laser source module, a control circuit and a miniature scanning device, the control circuit is used for receiving video signals provided by an automobile running computer, the laser source module outputs red, green and blue lasers to be projected on a reflecting mirror of the miniature scanning device for high-velocity scanning and to be reflected on the automobile side window glass, and a touch input device integrated on the automobile side window glass is connected with the automobile running computer. The automobile side window interactive entertainment system has the advantages of wide color gamut, high contrast ratio, large viewable size and the like.
Description
Technical field
This patent relates to a kind of automobile side-window interactive entertainment system.This system utilizes automobile side window glass for back row passenger the interactive entertainment function to be provided.
Background technology
The back seat amusement function of modern automobile is normally provided by the small-sized Liquid Crystal Display (LCD) and the vehicle-carrying DVD Play System that place front-row seats headrest rear portion.Because the size of small-sized headrest Liquid Crystal Display (LCD) is limited and often lack integration of user interaction functionality, so the function limitation of the back seat entertainment systems of modern automobile.Fast-developing in recent years miniature laser projection arrangement is owing to adopt the redgreenblue laser to make light source; Compare with traditional Liquid Crystal Display (LCD), have colour gamut broadness (laser projection is a 200%NTSC standard gamut range, and liquid crystal display is about 75%NTSC standard gamut range); High-contrast; High saturation, advantages such as low-power consumption, therefore being very suitable for replacing small-sized headrest Liquid Crystal Display (LCD) is used for the back seat entertainment systems.
Summary of the invention
Technical matters to be solved by this invention is to realize a kind of automobile side-window interactive entertainment system based on the miniature laser projection arrangement; Be used to replace traditional small-sized headrest Liquid Crystal Display (LCD), and the automobile side window glass that adopts large-sized integrated touch input function is as projection display screen.
For realizing above-mentioned purpose, the present invention adopts technical scheme to be: the automobile side-window interactive entertainment system comprises the automobile side window glass of miniature laser projection arrangement and integrated touch input function.The input end of described miniature laser projection arrangement links to each other with the signaling interface of running computer.Described miniature laser projection arrangement is incident upon image or video on the automobile side window glass of integrated touch input function.
Described miniature laser projection arrangement comprises laser light source module, control circuit and miniscanning device.Produce redgreenblue laser by laser light source module, be transferred to the miniscanning device through optical system, and reflex on the automobile side window glass of integrated touch input function.Control circuit is accepted the vision signal of running computer and is converted into the RGB digital signal and row/field sync signal at high speed modulated laser light source module carries out high speed two-dimension scanning with control miniscanning device.Image or video that high speed two-dimension scanning produces are projeced on the automobile side window glass of integrated touch input function.
Described laser light source module comprise can High Speed Modulation each one of red/green/blue laser and collimation/close beam optics system.The wavelength of red laser is generally 635nm to 642nm, can be red laser diode; The wavelength of green laser is generally 515nm to 532nm, can be for based on secondary harmonizing wave multiple frequency technology (Second Harmonic Generation, green laser SHG) or green laser diode; The wavelength of blue laser is generally 515nm to 532nm, can be blue laser diode.Collimation/close beam optics system comprises each one group of the collimating lens of corresponding red/green/blue laser, and 2 of dichroscope filters or 3X1 fiber coupling device (Fiber Coupler or Combiner) are used for the synthetic beam of laser of the red/green/blue laser behind the collimation.
Described control circuit can be accepted the vision signal of running computer and be converted into the RGB digital signal and row/field sync signal at high speed modulated laser light source module carries out high speed two-dimension scanning with control miniscanning device.
Described miniscanning device is MEMS (the Microelectromechanical Systems that is used for two dimensional laser scanning; MEMS) micro scanning mirror, it comprises movable catadioptre and makes the actuator (Actuator) of catadioptre around X axle and Y axle high speed rotating.Its structure has two kinds usually: (1) single twin shaft micro scanning mirror that universal-joint (Gimbal) is arranged or do not have universal-joint (Gimbal-less), comprise that a short scan axle (X axle) is used for line scanning and a slow sweep axle (Y axle) is used for field scan, and two axles are mutually orthogonal; (2) two single shaft micro scanning mirrors, one of them scan mirror are responsible for line scanning (being the scanning of X axle), and it is realized accomplishing by fast-loop driver; The single shaft micro scanning mirror that another quadrature is placed is accomplished slower field scan (scanning of Y axle).The scan mode of MEMS micro scanning mirror can be lined by line scan for two-way, promptly scans from left to right in odd-numbered line, and even number line scans from right to left; Or two-way staggered scanning, promptly in the scanning from left to right of first row, the third line scans from right to left; Fifth line scans from left to right, by that analogy, after accomplishing odd field scanning, begins in the scanning from left to right of second row; Fourth line scans from right to left; The scanning from left to right of the 6th row, by that analogy, to accomplish even field scanning.
The surface of the automobile side window glass of described integrated touch input function is integrated with the capacitive films touch-screen of band multi-point touch function; Link with the running computer, be used to receive miniature laser projection arrangement institute's image projected or video and perception user's touch input.
The present invention has following advantage owing to adopted technique scheme:
1, show that colour gamut is wide, contrast ratio is high, and degree of saturation specific humidity is high, and is low in energy consumption;
2, volume little, in light weight, need not condenser lens;
3, practice thrift interior space.
Description of drawings
Fig. 1 is a structured flowchart of the present invention.
Fig. 2 is a scheme drawing of the present invention.
The specific embodiment
The present invention is described further with embodiment below in conjunction with accompanying drawing 1: as shown in Figure 1, it comprises the automobile side window glass 2 of miniature laser projection arrangement 1 and integrated touch input function.Wherein miniature laser projection arrangement 1 comprises laser light source module 11, control circuit 12 and miniscanning device 13.The input end of control circuit 12 links to each other with the video output interface of running computer 3, receives the vision signal that running computer 3 provides.The input end of laser light source module 11 links to each other the High Speed Modulation signal that reception control circuit 12 sends with a mouth of control circuit 12.Laser light source module 11 output redgreenblue laser are projected on the catadioptre of miniscanning device 13 of high-velocity scanning, and reflex on the automobile side window glass 2 of integrated touch input function.Another mouth of control circuit 12 links to each other with the input end of miniscanning device 13, and the electronic control signal control miniscanning device 13 that control circuit 12 produces is accomplished high-velocity scanning.
Described miniature laser projection arrangement 1 comprises laser light source module 11, control circuit 12 and miniscanning device 13.Produce redgreenblue laser by laser light source module 11, be transferred to miniscanning device 13 through optical system, and reflex on the folding screen 2.Control circuit 12 accepts the vision signal of running computer 3 and is converted into the RGB digital signal and row/and field sync signal at high speed modulated laser light source module 11 carries out high speed two-dimension scanning with control miniscanning device 13.Miniature laser projection arrangement 1 can be positioned at automobile rear car body top or automobile rear seat center armrest.
Described laser light source module 11 comprise can High Speed Modulation each one of red/green/blue laser and collimation/close beam optics system.The wavelength of red laser is generally 635nm to 642nm, can be red laser diode; The wavelength of green laser is generally 515nm to 532nm, can be green laser or the green laser diode based on the secondary harmonizing wave multiple frequency technology; The wavelength of blue laser is generally 515nm to 532nm, can be blue laser diode.Collimation/close beam optics system comprises each one group of the collimating lens of corresponding red/green/blue laser, and 2 of dichroscope filters or 3X1 fiber coupling device are used for the synthetic beam of laser of the red/green/blue laser behind the collimation.
Described control circuit 12 can accept the vision signal of running computer and be converted into the RGB digital signal and row/and field sync signal at high speed modulated laser light source module 11 carries out high speed two-dimension scanning with control miniscanning device 13.
Described miniscanning device 13 is for being used for the MEMS micro scanning mirror of two dimensional laser scanning, and it comprises movable catadioptre and makes the actuator of catadioptre around X axle and Y axle high speed rotating.Its structure has two kinds usually: (1) single twin shaft micro scanning mirror that universal-joint is arranged or do not have universal-joint, comprise that a short scan axle (X axle) is used for line scanning and a slow sweep axle (Y axle) is used for field scan, and two axles are mutually orthogonal; (2) two single shaft micro scanning mirrors, one of them scan mirror are responsible for line scanning (being the scanning of X axle), and it is realized accomplishing by fast-loop driver; The single shaft micro scanning mirror that another quadrature is placed is accomplished slower field scan (scanning of Y axle).The scan mode of MEMS micro scanning mirror can be lined by line scan for two-way, promptly scans from left to right in odd-numbered line, and even number line scans from right to left; Or two-way staggered scanning, promptly in the scanning from left to right of first row, the third line scans from right to left; Fifth line scans from left to right, by that analogy, after accomplishing odd field scanning, begins in the scanning from left to right of second row; Fourth line scans from right to left; The scanning from left to right of the 6th row, by that analogy, to accomplish even field scanning.
The surface of the automobile side window glass 2 of described integrated touch input function is integrated with the capacitive films touch-screen of band multi-point touch function; Link with running computer 3, be used to receive 1 image projected of miniature laser projection arrangement or video and perception user's touch input.
Claims (8)
1. automobile side-window interactive entertainment system; It is characterized in that: it comprises the automobile side window glass of miniature laser projection arrangement and integrated touch input function; The input end of described miniature laser projection arrangement links to each other with the signaling interface of running computer, and described miniature laser projection arrangement is incident upon image or video on the automobile side window glass of integrated touch input function.
2. miniature laser projection arrangement as claimed in claim 1, it is characterized in that: it comprises laser light source module, control circuit and miniscanning device.The input end of control circuit links to each other with the video output interface of running computer, receives the vision signal that the running computer provides.The input end of laser light source module links to each other the High Speed Modulation signal that reception control circuit sends with a mouth of control circuit.Laser light source module output redgreenblue laser is projected on the catadioptre of miniscanning device of high-velocity scanning, and reflexes on the automobile side window glass of integrated touch input function.Another mouth of control circuit links to each other with the input end of miniscanning device, and the electronic control signal control miniscanning device that control circuit produces is accomplished high-velocity scanning.
3. laser light source module as claimed in claim 2 is characterized in that: each one of red/green/blue laser that comprising can High Speed Modulation (being generally tens MHz to MHz up to a hundred) and collimation/close beam optics system.
4. as claimed in claim 3 red/green/blue laser, it is characterized in that: the wavelength of red laser is generally 635nm to 642nm, can be red laser diode; The wavelength of green laser is generally 515nm to 532nm, can be green laser or the green laser diode based on the secondary harmonizing wave multiple frequency technology; The wavelength of blue laser is generally 515nm to 532nm, can be blue laser diode.
5. collimation as claimed in claim 3/close the beam optics system is characterized in that: comprise corresponding red/each one group of the collimating lens of green/blue laser, 2 of dichroscope filters or 3X1 fiber coupling device.
6. control circuit as claimed in claim 2 is characterized in that: comprise Digital Video Processing circuit and microcontroller.
7. miniscanning device as claimed in claim 2 is characterized in that: based on micro electro mechanical system (MEMS) technology, comprise movable catadioptre and make the actuator of catadioptre around X axle and Y axle high speed rotating.
8. the automobile side window glass of integrated touch input function as claimed in claim 1 is characterized in that: the surface is integrated with the capacitive films touch-screen of band multi-point touch function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100832511A CN102555925A (en) | 2012-03-27 | 2012-03-27 | Automobile side window interactive entertainment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100832511A CN102555925A (en) | 2012-03-27 | 2012-03-27 | Automobile side window interactive entertainment system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273894A (en) * | 2013-06-14 | 2013-09-04 | 苏州旭宇升电子有限公司 | Automotive touch display system |
| CN103273885A (en) * | 2013-06-14 | 2013-09-04 | 苏州旭宇升电子有限公司 | Automotive touch display system |
| CN103777443A (en) * | 2012-10-19 | 2014-05-07 | 谈顺毅 | Automobile projection display system |
| CN108234972A (en) * | 2016-12-22 | 2018-06-29 | 凝辉(天津)科技有限责任公司 | A kind of reconfigurable human-computer interface system |
| CN109774601A (en) * | 2018-04-23 | 2019-05-21 | 长城汽车股份有限公司 | A kind of holographic projection methods, system and automobile |
| CN113525029A (en) * | 2021-07-13 | 2021-10-22 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Window glass display system and vehicle |
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| DE20018639U1 (en) * | 2000-10-31 | 2001-01-18 | Will Kurt | Projection of computer and video data using a server and computer data / video projector in vehicles |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777443A (en) * | 2012-10-19 | 2014-05-07 | 谈顺毅 | Automobile projection display system |
| CN103273894A (en) * | 2013-06-14 | 2013-09-04 | 苏州旭宇升电子有限公司 | Automotive touch display system |
| CN103273885A (en) * | 2013-06-14 | 2013-09-04 | 苏州旭宇升电子有限公司 | Automotive touch display system |
| CN108234972A (en) * | 2016-12-22 | 2018-06-29 | 凝辉(天津)科技有限责任公司 | A kind of reconfigurable human-computer interface system |
| CN109774601A (en) * | 2018-04-23 | 2019-05-21 | 长城汽车股份有限公司 | A kind of holographic projection methods, system and automobile |
| CN109774601B (en) * | 2018-04-23 | 2021-02-19 | 长城汽车股份有限公司 | Holographic projection method and system and automobile |
| CN113525029A (en) * | 2021-07-13 | 2021-10-22 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Window glass display system and vehicle |
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Application publication date: 20120711 |