CN202205125U - Tablet personal computer with separating miniature laser projector - Google Patents
Tablet personal computer with separating miniature laser projector Download PDFInfo
- Publication number
- CN202205125U CN202205125U CN2011202635519U CN201120263551U CN202205125U CN 202205125 U CN202205125 U CN 202205125U CN 2011202635519 U CN2011202635519 U CN 2011202635519U CN 201120263551 U CN201120263551 U CN 201120263551U CN 202205125 U CN202205125 U CN 202205125U
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- laser
- panel computer
- projection arrangement
- separate type
- light source
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Abstract
The utility model relates to a tablet personal computer with a separating miniature laser projector, which uses the separating miniature laser projector to replace conventional liquid crystal display screen. The separating miniature laser projector comprises a laser light source module, a control circuit, a miniature scanner, a connecting rod, optical fiber and an affiliated optical system. The laser light source module and the control circuit are separated from the miniature scanner. The laser light source module and the control circuit are integrated inside the tablet personal computer. The miniature scanner is arranged outside the tablet personal computer and connected with the tablet personal computer through a rotatable mechanical connecting rod. Red, green and blue lasers generated by the laser light source module are conducted to the miniature scanner through the optical fiber and projected as two-dimensional images. The tablet personal computer with the separating miniature laser projector has the advantages of small volume, light weight, wide color range, high contrast ratio, wider visible range and the like.
Description
Technical field
This patent relates to a kind of panel computer that has separate type miniature laser projection arrangement.This panel computer adopts separate type miniature laser projection arrangement to replace traditional LCDs.The laser light source module of this separate type miniature laser projection arrangement and control circuit and miniscanning device are separated.The redgreenblue laser that laser light source module produces used fiber optic conduction to miniscanning device and projection that two dimensional image is projeced on panel computer surface or the external screen.
Background technology
LCDs and panel computer main frame that panel computer is often referred to the band touch-control module integrate, and the miniature portable computer of no built-in keybad has been widely used in personal entertainment and information processing recently.For example, the ipad of U.S. Apple as typical panel computer, adopts 9.7 cun, and resolution is IPS (In-Plane Switching, the plane conversion) LCDs of the band touch-control module of 1024x768.Because panel computer adopts LCDs as main information display section part, cause the weight of panel computer heavier, and the visual display scope of LCDs still has limitation.
The miniature laser projection arrangement that begins recently to develop is owing to adopt the redgreenblue laser instrument to make light source, and compares with the projection arrangement of redgreenblue led light source based on traditional white light LEDs (Light Emitting Diode, light emitting diode); Has colour gamut broadness (about 200% in NTSC standard gamut range), high-contrast, high saturation; Advantages such as low-power consumption; Therefore be fit to very much be embedded in electronic products such as mobile phone, panel computer, digital camera and notebook computer.
In order to replace the LCDs that extensively adopts on the present panel computer; Further alleviate main frame weight to improve portability; Can the miniscanning device of miniature laser projection arrangement is external separately (mechanical linkage through scalable/folding/rotation links to each other with panel computer); And the remainder of miniature laser projection arrangement is built in the panel computer like laser light source module and control circuit.The redgreenblue laser that laser light source module produces used fiber optic conduction to miniscanning device and on panel computer surface or external screen, throwed and was two dimensional image.The user can carry out input operation through the integrated touch-control module in panel computer surface.
The utility model provides a kind of panel computer that has separate type miniature laser projection arrangement.This panel computer adopts separate type miniature laser projection arrangement to replace traditional LCDs.The laser light source module of this separate type miniature laser projection arrangement and control circuit and miniscanning device are separated.The redgreenblue laser that laser light source module produces used fiber optic conduction to miniscanning device and projection that two dimensional image is projeced on panel computer surface or the external screen.
The utility model content
The utility model technical matters to be solved is to realize having the panel computer of separate type miniature laser projection arrangement.This panel computer adopts separate type miniature laser projection arrangement to replace traditional LCDs.The laser light source module of this separate type miniature laser projection arrangement and control circuit and miniscanning device are separated.The redgreenblue laser that laser light source module produces used fiber optic conduction to miniscanning device and projection that two dimensional image is projeced on panel computer surface or the external screen.
For realizing above-mentioned purpose, the utility model adopts technical scheme to be: panel computer comprises the main frame that basic computer function is provided, and replaces the separate type miniature laser projection arrangement of LCDs, is integrated in the touch-control module on panel computer surface.Separate type miniature laser projection arrangement comprises laser light source module and the control circuit that is built in the panel computer; Be placed on the miniscanning device of panel computer; The connecting rod that is used for mechanical connection panel computer and external miniscanning device, the optical fiber and the attached optical system of the redgreenblue laser that is used for producing to the built-in laser light source module of external miniscanning device transmission.Laser light source module by being built in the panel computer produces redgreenblue laser, is transferred to external miniscanning device through optical fiber and attached optical system, and reflexes on the screen.Control circuit is accepted the vision signal of panel computer and is converted into the RGB digital signal and row/field sync signal is carried out high speed two-dimension scanning with High Speed Modulation laser light source module and the external miniscanning device of control.The two dimensional image that high speed two-dimension scanning produces is projeced on panel computer surface or the external screen.The user carries out input operation through the integrated touch-control module in panel computer surface
Described main frame provides basic computer function, comprises corresponding software and hardware system, and calculating/storage control function is accomplished in input that can process user.
Described laser light source module comprise can High Speed Modulation (intensification modulation speed is 0MHz to 200MHz) each one of red/green/blue laser and collimation/close beam optics system.The wavelength of red laser is 635nm to 642nm, and the wavelength of green laser is 515nm to 532nm, and the wavelength of blue laser is 515nm to 532n; Above laser instrument is based on second harmonic (Second Harmonic Generation, SHG) frequency double laser or the laser diode of technology.Collimation/close beam optics system comprises each one group of the collimation lens of corresponding red/green/blue laser, and 2 of dichroic mirror optical filters or 3X1 fiber coupler one (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 main frame and be converted into the RGB digital signal and row/field sync signal is carried out high speed two-dimension scanning with High Speed Modulation laser light source module and the external miniscanning device of control.
Described miniscanning device is MEMS (the Microelectromechanical Systems that is used for two dimensional laser scanning; MEMS) micro scanning mirror, it comprises movable catoptron and makes the actuator (Actuator) of catoptron around X axle and Y axle high speed rotating.Its structure is: (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 scanning axle (Y axle) is used for field scan, and two axles are mutually orthogonal; Or (2) two single shaft micro scanning mirrors, one of them scanning mirror is 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 is two-way lining by line scan, and 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.
Described connecting rod is used to set up the mechanical connection between panel computer and the external miniscanning device.The material of connecting rod is light-weight metal or highstrenghtpiston.
Described optical fiber and attached optical system be used for to the built-in laser light source module of external miniscanning device transmission produce through collimation/the close redgreenblue laser of bundle.Used optical fiber is single mode visible light optical fiber, like Corning RGB 400 optical fiber.Attached optical system comprises: 1. in panel computer, be used for the redgreenblue laser coupled through collimation/close bundle is advanced the lens combination of visible light optical fiber; 2. outside panel computer, be used for lens combination that the redgreenblue laser that sends from visible light optical fiber is collimated.Through the redgreenblue laser projections of collimation lens set to the external miniscanning device catoptron and reflex on the screen.
Described touch-control module is used to be integrated in the panel computer surface and supplies the user to carry out input operation, can adopt the multi-point touch module based on infrared or capacitor thin film principle.Because the existing commercial product of touch-control module is so locate and need not give unnecessary details.
The utility model has following advantage owing to adopted technique scheme:
1, show that colour gamut is wide, contrast is high, and saturation degree is high, and is low in energy consumption;
2, volume little, in light weight, simple in structure, be easy to realize;
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structured flowchart of the utility model.
Fig. 3 is laser light source module and collimation/the close structural representation of beam optics system (free optics).
Fig. 4 is laser light source module and collimation/the close structural representation of beam optics system (optical fiber).
Fig. 5 is the structural representation of optical fiber and attached optical system and miniscanning device.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further: shown in Fig. 1-5, it comprises main frame 1, laser light source module 2, control circuit 3, miniscanning device 4, connecting rod 5 and optical fiber and attached optical system 6.The output terminal of main frame 1 links to each other with the input end of control circuit 3, for it provides vision signal.The input end of laser light source module 2 links to each other the High Speed Modulation signal that reception control circuit 3 sends with an output terminal of control circuit 3.The output terminal of laser light source module 2 links to each other with the input end of optical fiber and attached optical system 6, be used for the High Speed Modulation that laser light source module 2 produces is crossed and go into optical fiber and attached optical system 6 through the redgreenblue laser coupled of collimation/close bundle.The output terminal of optical fiber and attached optical system 6 links to each other with miniscanning device 4, is projected through the redgreenblue laser of 6 transmission of optical fiber and attached optical system and collimation on the catoptron of miniscanning device 4 of high-velocity scanning, and reflexes on the screen.Another output terminal of control circuit 3 links to each other with the input end of miniscanning device 4, and the electronic control signal control miniscanning device 4 that control circuit 3 produces is accomplished high-velocity scanning.Connecting rod 5 is used to set up the mechanical connection between panel computer and the external miniscanning device.
Described laser light source module 2 comprise can High Speed Modulation (intensification modulation speed is 0MHz to 200MHz) red laser 7, green laser 8, blue laser 9 each one and collimations/close beam optics system.The wavelength of red laser 7 is 635nm to 642nm, and the wavelength of green laser 8 is 515nm to 532nm, and the wavelength of blue laser 9 is 515nm to 532n; Above laser instrument is based on second harmonic (Second Harmonic Generation, SHG) frequency double laser or the laser diode of technology.
As shown in Figure 3; Laser light source module and collimation/the close structural representation of beam optics system (free optics): collimation lens that collimation/close beam optics system (free optics) comprises corresponding red/green/blue laser 10 each group, 11 two of dichroic mirror optical filters are used for the synthetic beam of laser of the red/green/blue laser behind the collimation.
As shown in Figure 4; Laser light source module and collimation/the close structural representation of beam optics system (optical fiber): collimation lens that collimation/close beam optics system (free optics) comprises corresponding red/green/blue laser 10 each group, 12 1 of 3X1 fiber couplers are used for the synthetic beam of laser of the red/green/blue laser behind the collimation.Described control circuit 3 can be accepted the vision signal of main frame 1 and be converted into the RGB digital signal and row/field sync signal is carried out high speed two-dimension scanning with High Speed Modulation laser light source module and the external miniscanning device of control.Control circuit 3 generally includes analog front-end chip (Analog Front End, AFE is if receive the analog rgb signal), Digital Video Processing circuit and microcontroller.Analog front-end chip can adopt existing commercial chip, does not give unnecessary details here.The Digital Video Processing circuit can adopt FPGA (Field Programmable Gates Array, field programmable logic device) to realize.Microcontroller can adopt commercial chip independently or be integrated in IP (Intellectual Property) the software nuclear in the FPGA.
Described miniscanning device 4 is for being used for MEMS (the Microelectromechanical Systems of two dimensional laser scanning; MEMS) micro scanning mirror, it comprises movable catoptron and makes the actuator (Actuator) of catoptron around X axle and Y axle high speed rotating.Its structure has two kinds: (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 scanning axle (Y axle) is used for field scan, and two axles are mutually orthogonal; (2) two single shaft micro scanning mirrors, one of them scanning 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.
Described connecting rod 5 is used to set up the mechanical connection between panel computer and the external miniscanning device.The material of connecting rod is light-weight metal or highstrenghtpiston, and the connected mode between connecting rod 5 and the panel computer is flexible or folding or rotation.
Described optical fiber and attached optical system 6 be used for to the built-in laser light source module of external miniscanning device transmission produce through collimation/the close redgreenblue laser of bundle.As shown in Figure 5, the structural representation of optical fiber and attached optical system and miniscanning device: used optical fiber 14 is single mode visible light optical fiber, like Corning RGB 400 optical fiber.Attached optical system comprises: 1. in portable electronic system, be used for the redgreenblue laser coupled through collimation/close bundle is advanced the lens combination 13 of visible light optical fiber; 2. outside portable system, be used for lens combination 14 that the redgreenblue laser that sends from visible light optical fiber is collimated.Through the redgreenblue laser projections of collimation lens set 14 to the external miniscanning device 4 catoptron and reflex on the screen.
The principle of work of the utility model is such: the user at first is expanded to the fixed position with the mechanical linkage of panel computer.In panel computer, the output terminal of main frame 1 links to each other with the input end of control circuit 3, for it provides vision signal.The input end of laser light source module 2 links to each other the High Speed Modulation signal that reception control circuit 3 sends with an output terminal of control circuit 3.The output terminal of laser light source module 2 links to each other with the input end of optical fiber and attached optical system 6, be used for the High Speed Modulation that laser light source module 2 produces is crossed and go into optical fiber and attached optical system 6 through the redgreenblue laser coupled of collimation/close bundle.The output terminal of optical fiber and attached optical system 6 links to each other with miniscanning device 4; Be projected through the redgreenblue laser of 6 transmission of optical fiber and attached optical system and collimation on the catoptron of miniscanning device 4 of high-velocity scanning, and reflex on panel computer surface or the screen.Another output terminal of control circuit 3 links to each other with the input end of miniscanning device 4, and the electronic control signal control miniscanning device 4 that control circuit 3 produces is accomplished high speed two-dimension scanning.
Claims (10)
1. panel computer that has separate type miniature laser projection arrangement, it is characterized in that: it comprises the main frame that computer function is provided, separate type miniature laser projection arrangement and the touch-control module that is integrated in the panel computer surface.
2. a kind of panel computer that has separate type miniature laser projection arrangement as claimed in claim 1; It is characterized in that: described separate type miniature laser projection arrangement comprises laser light source module; Control circuit, miniscanning device, connecting rod and optical fiber and attached optical system.
3. a kind of panel computer that has separate type miniature laser projection arrangement as claimed in claim 2 is characterized in that: described laser light source module comprises red/green/blue laser; The wavelength of red laser is 635nm to 642nm, and the wavelength of green laser is 515nm to 532nm, and the wavelength of blue laser is 515nm to 532n; Above laser instrument is based on the frequency double laser of second harmonics technique or laser diode.
4. a kind of panel computer that has separate type miniature laser projection arrangement as claimed in claim 2; It is characterized in that: described laser light source module comprises collimation/close beam optics system; Comprise corresponding red/each one group of the collimation lens of green/blue laser, one of 2 of dichroic mirror optical filters or 3X1 fiber coupler.
5. a kind of panel computer that has separate type miniature laser projection arrangement as claimed in claim 2 is characterized in that: described laser light source module comprises red/green/blue laser.
6. a kind of panel computer that has separate type miniature laser projection arrangement as claimed in claim 2, it is characterized in that: described control circuit comprises analog front-end chip, Digital Video Processing circuit and microcontroller.
7. a kind of panel computer that has separate type miniature laser projection arrangement as claimed in claim 2; It is characterized in that: described miniscanning device; Based on micro electro mechanical system (MEMS) technology, comprise movable catoptron and make the actuator of catoptron around X axle and Y axle high speed rotating.
8. a kind of panel computer that has separate type miniature laser projection arrangement as claimed in claim 2 is characterized in that: the scan mode of described miniscanning device is two-way lining by line scan or two-way staggered scanning.
9. a kind of panel computer that has separate type miniature laser projection arrangement as claimed in claim 2; It is characterized in that: the material of described connecting rod is light-weight metal or highstrenghtpiston, and the connected mode between connecting rod and the portable electronic products is flexible or folding for rotation.
10. a kind of panel computer that has separate type miniature laser projection arrangement as claimed in claim 2; It is characterized in that: described optical fiber and attached optical system comprise single mode visible light optical fiber, coupled lens group in portable electronic system and the collimation lens set outside portable system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202635519U CN202205125U (en) | 2011-07-25 | 2011-07-25 | Tablet personal computer with separating miniature laser projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202635519U CN202205125U (en) | 2011-07-25 | 2011-07-25 | Tablet personal computer with separating miniature laser projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202205125U true CN202205125U (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202635519U Expired - Fee Related CN202205125U (en) | 2011-07-25 | 2011-07-25 | Tablet personal computer with separating miniature laser projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202205125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289254A (en) * | 2011-07-25 | 2011-12-21 | 凝辉(天津)科技有限责任公司 | Tablet personal computer with separating micro laser projection device |
| CN103809691A (en) * | 2014-02-11 | 2014-05-21 | 苏州众显电子科技有限公司 | Computer system with projection display screen and powered on through solar energy |
-
2011
- 2011-07-25 CN CN2011202635519U patent/CN202205125U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289254A (en) * | 2011-07-25 | 2011-12-21 | 凝辉(天津)科技有限责任公司 | Tablet personal computer with separating micro laser projection device |
| CN103809691A (en) * | 2014-02-11 | 2014-05-21 | 苏州众显电子科技有限公司 | Computer system with projection display screen and powered on through solar energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20140725 |
|
| EXPY | Termination of patent right or utility model |