CN101561620A - Miniature projection module - Google Patents
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- CN101561620A CN101561620A CNA2008100893966A CN200810089396A CN101561620A CN 101561620 A CN101561620 A CN 101561620A CN A2008100893966 A CNA2008100893966 A CN A2008100893966A CN 200810089396 A CN200810089396 A CN 200810089396A CN 101561620 A CN101561620 A CN 101561620A
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Abstract
本发明揭露一种微型无滤片投射模块，包含：光源单元，产生不同颜色之光束；色光控制模块，耦接该光源单元用以切换该光源单元以发射一色光；数字微镜组件芯片，具有复数个镜面，每一该复数镜面被控制以反射该光源单元所馈入之光；以及投射透镜组，配置于该数字微镜组件芯片之反射光路径中以投射影像。
The present invention discloses a miniature filter-free projection module, comprising: a light source unit, generating light beams of different colors; a color light control module, coupled to the light source unit, for switching the light source unit to emit a color light; a digital micromirror component chip, having a plurality of mirrors, each of the plurality of mirrors being controlled to reflect the light fed by the light source unit; and a projection lens group, arranged in the reflected light path of the digital micromirror component chip to project an image.
Description
Technical field
Present invention is directed to a kind of projection module, particularly relevant for a kind of formula light source projects module.
Prior art
Along with information and computer market constantly expand down, electronic product is grown up under the promotion of the fast trend of compact, multi-functional speed fast.Based on the arriving of cyberage, communication network and the Internet are emerging in recent years industry, and the exploitation that communication system also follows mobile phone to integrate science and technology also constantly provides the user the more convenient mode that obtains information.Therefore, a communication science and technology also transition is new favorite, and attached commerce is also flourish because of the facility that contact demand and information obtain in the communication device.No matter be that the Internet, mobile communication equipment, personal digital assistant have been full of in the space of whole life, and network and communication dealer also weed out the old and bring forth the new and provide commercial service assist client that its data are transmitted or obtain to enlarge the scope of market and service.Then towards multi-element multifunctional development, as the fast trend of compact, multi-functional speed, and Communications service dealer or information service provider also must provide polynary, comprehensive and up-to-date information to the client aspect electronic package.And at present comparatively the hand-holding communication device of use comprise mobile phone, stock handset and PDA system (or personal electronic notebook device), that is the Personal Digital Assistant (PDA) of general what is called, it is day by day popularized becomes indispensable electronic product in common people's life.And the integration system of above-mentioned electronic installation also generally is full of between the life.So-called PDA system can have following function: store personal data, visiting-card management, time management, individual stroke tracking setting and act summary etc., but the management of these data is for the modern fast demand that also can not satisfy the user of information transmission gradually, therefore develops again to have electronic dictionary, stock market to report in real time and function such as formation transfer service.For reaching under the development trend in future now, the function of personal digital assistant can also be implanted in or be integrated among mobile phone or the individual teleseme.The projection module of tradition comprises white light source, and comprises plural reflecting optics group and three polarized lenses in order to the white light beam split being become red, green, blue three looks, and the optical mirror slip group is expensive and this optical system complexity, be difficult for dwindling.And the incandescent lamp bulb light source of employing is easily overheated.The projector of another kind of kenel is called digital light projector, and for example the 6733137th, No. 6988808 patents of the U.S. disclose above-mentioned projector.Above-mentioned form projector utilizes digital micro-mirror assembly (digital micro-mirror device) and color wheel (colour wheel; Color wheel) to carry out projection.The digital micro-mirror assembly comprises millions of micromirror parts and can reduce between the filter disc or the aberration that performance or characteristic variations produced between the light source.Driver element is according to the rotation status of correcting image signal and color wheel each micromirror part with the control figure micromirror assemblies, the luminance signal of each color of correcting unit correcting image signal wherein, it proofreaies and correct system by the light relative intensity of calculating by each filter disc of color wheel, and the output that utilizes the optical sensor when each micromirror of digital micro-mirror assembly partly is in the off state.The color screen runner is tended to act by motor, and makes its volume to diminish, and therefore projection arrangement is embedded among the hand-held device.Moreover conventional art utilizes white light as light source, therefore can produce high-temperature and heat in operating period.This projector needs many lens in conjunction with light source and color screen runner.Because white light, therefore causes low-frequency sudden strain of a muscle effect frequently through the high-speed color screen runner that is driven of motor.In this as can be known, its chance that is integrated in projector for portability is very remote.In other words, the target of reduction projector volume is to reach at the above-mentioned assembly of being carried.Therefore, prior art has many shortcomings.
Summary of the invention
In view of this, the present invention's purpose is to provide a kind of three monochromatic source projection modules, need not color screen.Therefore need not optics color separation photosystem, but reduced volume, and adopt luminescence component but not incandescent lamp bulb, therefore can be not overheated.
The present invention comprises control IC, is disposed in the projection module and the projection display module, and electrical couplings is extremely outside in order to projection data to above-mentioned control IC.Above-mentioned projection display module comprises: liquid crystal panel set, in order to show with red, green and blue imaging respectively; The corresponding respectively liquid crystal panel set of face formula light sources is disposed at light source is provided thereafter; The water chestnut mirror, the light incident side that above-mentioned flat board radiation light sources, liquid crystal panel set are disposed at this water chestnut mirror is in order to synthetic each Show Color; And projection lens group, the light that is disposed at this water chestnut mirror penetrates side.Above-mentioned formula light sources comprises organic luminescent assembly (electroluminescence) assembly, radiates red, green and blue light.
A kind of hand-hold communication device comprises: control IC is disposed at this hand-hold communication device; RF communication module, electrical couplings arrive above-mentioned control IC in order to wireless telecommunications; Built-in display unit and input block, electrical couplings is to above-mentioned control IC; Internal memory, electrical couplings arrive above-mentioned control IC in order to storage data; And the pinhole camera detector, electrical couplings is to above-mentioned control IC, and it can scan wired, wireless photographic frequency.Above-mentioned photographic frequency scope is approximately between the transmission frequency of 300MHz to 2.5GHz.
A kind of hand-hold communication device comprises: control IC is disposed at this hand-hold communication device; RF communication module, electrical couplings arrive above-mentioned control IC in order to wireless telecommunications; Built-in display unit and input block, electrical couplings is to above-mentioned control IC; Internal memory, electrical couplings arrive above-mentioned control IC in order to storage data; And the remote control control module, electrical couplings is to above-mentioned control IC, in order to control lock, electronic installation.
A kind of hand-hold communication device comprises: control IC is disposed at this hand-hold communication device; RF communication module, electrical couplings arrive above-mentioned control IC in order to wireless telecommunications; Built-in display unit and input block, electrical couplings is to above-mentioned control IC; Internal memory, electrical couplings arrive above-mentioned control IC in order to storage data; And the alcoholic content detecting module, electrical couplings is to above-mentioned control IC, in order to the control alcoholic content.
A kind of hand-hold communication device comprises: control IC is disposed at this hand-hold communication device; RF communication module, electrical couplings arrive above-mentioned control IC in order to wireless telecommunications; Built-in display unit and input block, electrical couplings is to above-mentioned control IC; Internal memory, electrical couplings arrive above-mentioned control IC in order to storage data; And radiation source, in be built in this hand-hold communication device, in order to as electric torch or pointer.Wherein above-mentioned radiation source comprises laser.Above-mentioned radiation source can comprise bulb and a light reflecting device in order to reflect the light that this bulb radiates.In addition, above-mentioned radiation source also can comprise LED and a light reflecting device in order to reflect the light that this light emitting diode radiates.
A kind of no filter disc projector or projection module comprise: light source cell, the light beam of generation different colours; The coloured light control module couples this light source cell in order to switch this light source cell to launch a kind of light color; Digital micro-mirror assembly chip has a plurality of minute surface parts, and each these a plurality of minute surface partly is controlled to reflect the light of this light source cell institute feed-in; And projection lens group is disposed in the reflected light path of this digital micro-mirror assembly chip with the projection image.
Description of drawings
Fig. 1 shows function block schematic diagram of the present invention.
Figure 1A and Figure 1B are the synoptic diagram that shows the present invention's light emitting source.
Fig. 2 shows projection module function block schematic diagram of the present invention.
Fig. 3 shows that the present invention has the projection module function block schematic diagram of face formula light source.
Fig. 4 is the synoptic diagram that shows the present invention's light emitting source.
Fig. 5 is the synoptic diagram that shows the present invention's light emitting source.
Fig. 6 is the synoptic diagram that shows the present invention's no filter disc projector.
Fig. 7 is the synoptic diagram that shows the present invention's light emitting source.
Fig. 8 is the function block schematic diagram that shows hand-held device of the present invention.
Fig. 9 is the function block schematic diagram that shows the present invention.
Figure 10 is the function block schematic diagram that shows the present invention.
Figure 11 is the function block schematic diagram that shows the present invention.
Among the figure:
Hand-hold communication device 10, control IC 100, antenna 105, R-T unit 110, voice coding code translator 115, DSP 120, D/A converter 125, sim card connector 130, SIM card 135, power supply and circuit 140 thereof, 0S145, input block 150, internal memory 155, projection display module 165, pinhole camera detecting module 170, irradiation module 175, alcohol detecting module 180, remote control module 185, loudspeaker and/or microphone 190, laser and/or light emitting source 200, flat-plate light source 210R, 210G, 210B, LCD panel 200R, 200G, 200B, water chestnut mirror 220, projection lens group 230, laser 1100B, coloured light modular converter 1100A, transparency carrier 400, transparency electrode 420, storehouse lock 410, cover curtain layer 440, front panel 450, emitter-base bandgap grading (emitter) 460, fluorescent film layer 480, transparency electrode 510, transparency carrier 500, fluorescence membrane or powder 520, transparency electrode 530, second transparency carrier 540, no filter disc projector 1000, light source cell 1100, digital micro-mirror assembly chip 1200, projection lens group 1300, coloured light control module 1400, wireless transport module 1500, processor 402, display 404, image-pickup assembly 406, internal memory 408, lens mechanism 310, projection module 1000, analog-digital converter 202, player 200, Digital System Processor 204, sound and/or audio-visual driver module 206, non-voltile memory 208, sound/image processor 210, digital analog converter 212, display 214, processor 800, keyboard 802, display 804, internal memory 806, application program and/or operating system 808, hard disk 810.
Embodiment
State on the present invention with other purpose, feature and advantage and can become apparent for making, this paper lifts preferred embodiment, and cooperates appended graphic being described in detail below, and it is non-in order to limit the present invention that right following each embodiment only does an explanation.The present invention's hand-hold communication device comprises mobile phone (cellular), personal digital assistant (personal digital assists) and intelligent mobile phone (smart phone).Hand wireless communication device generally comprises mobile phone, teleseme, personal digital assistant or similar device.The system architecture of above-mentioned wireless communication apparatus generally comprises wireless communication module, and applicable to the agreement of transmitted in both directions, mobile phone and personal digital assistant comprise the both-way communication module at least.With the both-way communication module, employed communications protocol is GSM, CDMA, PHS or bi-directional call device communications protocol (protocol).Via the reception of both-way communication module by the message that the ISP provided, through code translator (decoder) but decoding to convert the signal of identification to.Above-mentioned wireless communication apparatus comprises the input that a microprocessor (processor) or CPU (central processing unit) (CPU) and user's interface (interface) and microprocessor coupling (couple) are beneficial to instruction (instruction), and the mode of its input can be for utilizing touch-control (touch panel) or acoustic control phonetic entry.The signal that the both-way communication module is received also carries the data or the program that to be stored in the internal storage location via microprocessor to be handled, as comparison communications protocol, deciphering and judgement.The information that is received can show by display device, display device normally LCD (Liquid CrystalDisplay, LCD) or flat display apparatus.
Figure 1 shows that the functional block diagram of this device, comprise SIM connector 130 in order to carrying SIM card 135.And SIM card is not the device of mobile phone (cellular) necessity, just need not to use as the PHS system.This hand-hold communication device 10 comprises radio frequency (radiofrequency) communication module, and it comprises antenna 105, these antenna 105 connection R-T units (tranceiver) 110, and it is in order to receive or transmission signal.The radio-frequency communication module also comprises CODEC 115, DSP 120 and A/D converter (converter).The present invention's device comprises the control IC 100 of central authorities, goes into the processing of signal in order to processing, electric power control (power control) and the output of controlling signal and data.One input block 150, built-in display unit 160, operating system (operation system) 145, electric power and control circuit 140 electrical couplings (couple) respectively arrive above-mentioned control IC 100.This device also comprises internal memory (memory) and is coupled to above-mentioned control IC 100, as the storage of data and operating system.According to the attribute of difference, can comprise ROM, RAM, non-volatile flash memory (non-volatile flash memory) etc.The radio-frequency communication module can be handled the reception of stating signal, the processing of fundamental frequency (base-band), the processing of digital signal etc.SIM card hardware interface (hardwear) then carries SIM card.Last speech sound signal is sent to output unit such as speaker/microphone unit 190.Internal storage location can be divided into three parts, is respectively mask-type ROM (MASK ROM), non-voltile memory for example flash memory (FLASH) and three parts of static random access memory (SRAM).Generally, the data of not changing can be stored among the mask-type ROM, system operating software or fixing application program generally can be stored among the non-volatile internal memory and carry out other instruction, can under non-powered state, still can keep interior data, can repeat when power supply is arranged to read or write.
The present invention comprises one or several following modules, and it is not exposed in any present hand-hold communication device.It should be noted that the present invention can implant single or multiple following modules, look closely demand and decide.
Be built in this hand-hold communication device 10 in the one pinhole camera detector 170, it can scan wired, wireless photographic frequency, and pinhole camera detector 170 responsive about scopes are between the transmission frequency of 300MHz to 2.5GHz.In other words, but it can be the receiver of the received RF signal of present commercialization.And this pinhole camera is detected 170 electrical couplings to above-mentioned control IC 100.Can comprise a switch or button (as mobile phone key) in order to start detection switch.As known technology, pinhole camera comprises a printed circuit board (PCB), charge-coupled device (CCD) (CCD), internal memory in order to store a signal image and a signal conversion unit.The image of above-mentioned shooting can see through wired or wireless another system and device that transfers to.The frequency in the pinhole camera operation can be detected or scan to pinhole camera detector 170.And the general spy camera that is referred to as of institute is also applicable to the scanning of pinhole camera detector 170.The result of scanning can be input to above-mentioned control IC 100, outputs to display unit 160 or speaker/microphone unit 190 through handling, the message that gives a warning by this or startup mobile phone vibrating mode (vibration mode).
In addition, this hand-hold communication device 10 comprises projection display module 165, and electrical couplings is to above-mentioned control IC 100.With an embodiment, can adopt the liquid crystal grenade instrumentation, it comprises liquid crystal panel in order to imaging, afterwards it is seen through the lens combination amplification and projects on a screen or the wall.This liquid crystal projection display module comprises light source and is disposed among the hand-hold communication device 10.Light source can adopt Halogen lamp LED or metal halid lamp.Light source sees through lens and imports Mitsubishi's mirror and be divided into red, green and blue light.Image in the image of three liquid crystal panels and penetrated by red, the green and blue light of correspondence respectively, synthetic by Mitsubishi's mirror at last.And in the preferred embodiment, seeing also second and Fig. 3, liquid crystal projection module 165 comprises liquid crystal panel 200R, 200G, 200B, in order to show with red, green and blue imaging respectively.Best is employing face formula light source 210R, 210G, and 210B, and corresponding respectively liquid crystal panel 200R, 200G, 200B are disposed at thereafter, and light source is provided.Three above-mentioned monochromatic source 210R, 210G, and the 210B film can adopt organic light emission or excite (electroluminescence) assembly, red, the green and blue light of organic light emitting film assembly radiation.Three above-mentioned monochromatic source 210R, 210G, and 210B, liquid crystal panel 200R, 200G, 200B be disposed at the light incident side of Mitsubishi's mirror, in order to synthetic each Show Color.One projection lens group 230, the light that is disposed at Mitsubishi's mirror penetrates Mitsubishi's mirror side, and a display screen can be positioned over the appropriate location in order to projection imaging.Therefore being stored in hand-hold communication device data in EMS memory, archives, electronic game becomes and can see through projection display module 165 and amplify and be projected to the outside.Adopt face formula light source 210R based on the present invention, 210G, and 210B provide three monochromatic sources as adopting organic luminescent assembly or laser, light emitting diode, and it is compact, so can be so that be integrated among mobile phone, media player or the digital camera.
Another characteristics of the present invention system comprises remote control control module 185, and electrical couplings is to above-mentioned control IC 100, and in order in addition control lock or electronic installation by storing key in the internal memory 155 or handle, it is a known technology that remote control is controlled.Lift an example, remote control control module 185 can adopt the infrared transmission controlling signal.Utilize handle that the communication module of mobile phone can the download service supplier, key and be stored in the internal memory 155.In addition, can also be applied to the message exchange of short distance through the infrared ray of remote control control module 185.
Another characteristics comprise an alcoholic ingredient detecting module 180, and electrical couplings is to above-mentioned control IC 100, in order to the alcohol content of detecting personal breathing.For example, can detect chemical alcoholic ingredient.If this composition is detected, then signal is input to above-mentioned control IC100, output to display unit 160 or speaker/microphone unit 190 through handling, message by this gives a warning.Following United States Patent (USP) respectively discloses several methods that measures alcohol: United State Patent No.5,907,407, United State Patent No.4,809,810.
The present invention also can comprise radiation source 175, makes this device be able to as pointer or electric torch.For an embodiment, if this light source 175 is a laser assembly, then this hand-held device can and then become a laser pointer and is beneficial to bulletin.If if this this light source 175 is to disperse light source, then this hand-held device can and then become in the sharp dark surrounds of an electric torch and uses, and for example seek the seat in cinema, but these radiation source 175 electrical couplings is to above-mentioned control IC 100 or independent circuits.Wherein above-mentioned radiation source comprises laser.Above-mentioned radiation source can comprise bulb and a light reflecting device in order to reflect the light that this bulb radiates.In addition, above-mentioned radiation source also can comprise lamp, light emitting diode (LED) and a light reflecting device in order to reflect the light that this light emitting diode radiates.
The present invention's intention is to integrate many electronic installations, is beneficial to carry and is beneficial to more than difference plant occasion, and then promote convenience.But and shared portion assembly or device and integrated.Make mobile phone except that communication function, still can throw image, safety monitoring, remote control control, alcohol detecting and be beneficial to traffic safety, illumination and meeting and use (traditional pointer is too little, too thin be difficult for hand-held, be disposed in the mobile phone and better grasp).The present invention comprises one or several modules, and it all is not exposed in any present hand-hold communication device.It should be noted that the present invention can implant single or multiple module, look closely demand and decide.
In addition, another embodiment of display unit is shown among Fig. 4, wherein shows the sectional view of the Field Emission Display (field emission display) according to the present invention.As shown in Figure 4, provide a transparency carrier 400, transparency electrode 420 is formed on the transparency carrier (as glass) 400.Transparency electrode 420 can utilize tin indium oxide (indium tinoxide:ITO) to form, and it can be used as emitting electrode.The transparency electrode 420 of storehouse lock 410 covering part branches, and be formed on the transparency carrier 400.The emitter-base bandgap grading of emitting electrons (emitter) 460 is to be formed on the partially transparent electrode 420.Each storehouse lock 410 comprises a cover curtain layer 440 with the cover part transparency electrode, and this cover curtain layer system forms by UV micro-image light cover (curtain).Cover curtain layer 440 preferable systems are to visible transparent, and opaque to ultraviolet light, and can form by the amorphous silicon material.When silicon layer is enough thin can be transparent person.Storehouse lock 410 structures comprise first insulation course/gate electrode/second insulation course/focusing gate electrode, are formed on the substrate in regular turn.The preferable cording of lock insulation course has 2 microns of thickness or above silica membrane, and gate electrode can be formed by the about 0.25 micron chromium of thickness.Gate electrode system is in order to draw the electron beam of emitter-base bandgap grading.Electronics focuses on the electronics that gate electrode system is launched with the collection emitter-base bandgap grading as collector, so that can reach the fluorescent film layer 480 that is disposed on the emitter-base bandgap grading 460.Be used for the example of display unit in said modules, substrate can be silicon substrate or transparency carrier.With reference to Fig. 4, front panel 450 is disposed on the storehouse lock up.Various visible images are shown on the front panel 450.Fluorescent film layer 480 is attached to the basal surface in the face of the storehouse lock of front panel 450, and DC voltage puts on fluorescent film layer 480 to send color to show.When above-mentioned film has red, green and during the blue-fluorescence substrate, can send colorama by mixing the light that is sent at the bottom of the fluorescent base.And in the preferred embodiment, the present invention includes three kinds of emission displays to show the image (that is red, green and blue image) of red composition, green composition and blue one-tenth branch respectively.When the substrate of electron beam fluorescence excitation, can make it send red, green and blue visible light, and be evenly distributed on the fluorescent film layer 480.The clearance wall of isolating front panel 450 and storehouse lock is black matrix layer, and it only is convenient to explanation and not shown.Because thin-film display can form thin thickness and power consumption is low than LCD, the present invention can provide more compact assembly.The life-span of battery can keep longer.The field emitting module need not the backlight and the wave filter of complexity, power consumption, and it is all for LCD must the person.In addition, an emitting module need not large-scale thin film transistor (TFT) array, therefore, needs the main light source of high price and the yield problem of its active-matrix all to be eliminated in the LCD.The resolution of display can be by utilize focusing on electronics that pole plate (focus grid) or accelerating electrode radiated with calibration (collimated) little tip to get a promotion.In preferred embodiment, transmitter comprises the size of carbon nanotube transmitter with further reduction assembly.Moreover display can omit liquid crystal material.Field Emission Display need not the required source/drain areas of thin film transistor (TFT) of LCD.In another embodiment, LED source can be launched monochromatic light.In other words, blue light, ruddiness and green light LED can also be used for as light source.In an example, light emitting diode can form matrix or linear structure.It should be noted that the assembly with fluorescence substrate is shown in (carbon nanotube field emitting module) among Fig. 4, and the electroluminescence of Fig. 5 and plate (electroluminescent panel (ELP)) can also be as light source.Similarly, illumination light source unit can be formed by three monochromatic light Field Emission Displays (or electroluminescence panel) or the Field Emission Display (or electroluminescence panel) that can launch three monochromatic light.The reference of one of organic electric field luminescence panel display can be with reference to No. 6023371 patent of the U.S., and its denomination of invention is " color converter materials and an organic electric field luminescence color monitor thereof ".In addition, laser diode can also be as light source.In a preferred embodiment, color light source unit 1100 can comprise that a laser (or claiming laser) 1100B and a shade modular converter 1100A are disposed on the light path of laser.In an example, coloured light modular converter 1100A can finish by an efficient laser wavelength Conversion technology, the nonlinear characteristic that it can permeable material and the laser of new wavelength Conversion is produced.Based on the microstructure design in the ferroelectric nonlinear material, accurate phase matching (QPM) can be used to compensate phase place-speeds match between the reciprocation ripple and not be inconsistent with smear effectively.Accurate phase matching (QPM) can be applied to laser R, G, B display.In order to obtain effective wavelength Conversion, the phase matching system between the reciprocation ripple is necessary.The birefringent phase matching technique that sees through nonlinear material is reached above-mentioned purpose, and it is that crystallographic axis is positioned to a special angle to reach the phase matching situation of specific reciprocation wavelength.No. 7170671 patent of the U.S., its denomination of invention is " a high-level efficiency wavelength shifter ", wherein discloses a kind of method of wavelength Conversion.For example, coloured light modular converter 1100A comprises the waveguide with a plurality of gratings, and it has the different cycles pattern, shown in figure B1.Coloured light modular converter 1100A can comprise waveguide assemblies or build assembly (bulk device).The kenel of grating can adopt even formula grating, parallel grating, tandem grating, fan-out grating and disturb grating frequently.Laser is provided to be radiated to coloured light modular converter 1100A in regular turn, has changed incident light by this and forms red, green and blue light respectively.
In another embodiment, the light source of Fig. 5 comprises that transparency electrode 510 is on transparency carrier 500.One fluorescence membrane or powder 520 are attached to down surface on the transparency electrode 510.In preferred example, fluorescence substrate emission colorama.The present invention includes the assembly of three present embodiments, it is luminous respectively to be red part, green portion and blue portion.Each assembly radiation single colored light.Different powder send the light of different colours.Last transparency electrode 530 is formed on fluorescence membrane or the powder 520.Second transparency carrier 540 is formed on the transparency electrode 530.One bias voltage is applied on the electrode to inject electric hole and electronics, and by the combination in electronics and electric hole, the fluorescence excitation substrate is red to launch, green or blue visible light according to the material (compound) of fluorescence substrate.The assembly of present embodiment can be with reference to the electroluminescence panel.In one embodiment, light-emitting diode component can be used for as light source, and its luminous mechanism comes simply with process than known techniques.In a preferred embodiment, LED source is for example launched the light emitting diode of blue light, ruddiness and green glow, can be used for as three monochromatic sources.
Present invention is directed to projection module and be applied to portable apparatus or independent projector.Portable apparatus comprises but is not limited to mobile phone, personal digital assistant, smartphone, mobile computer, media player (MP3, MP4), digital camera, Global Positioning System (GPS) (GPS) or the like.
The icon of the embodiment one of according to the present invention of Fig. 6 system, the main composition important document that wherein shows no filter disc (filter free) projector that utilizes digital micro-mirror assembly (DMD) chip (panel), no filter disc is able to reduced volume and is integrated in the portable apparatus, and reduce and dodge frequently, if no space considers also colour wheel to be arranged.As shown in Figure 6, the no filter disc projection module (machine) 1000 of present embodiment comprises light source cell 1100, digital micro-mirror assembly chip 1200 and projection lens group 1300.The part assembly, for example lens amplifier, transverter, calibrator unit and driver part, may need provides.In one embodiment, the lens amplifier can place between light source cell 1100 and the digital micro-mirror assembly chip 1200.Yet it is not the present invention's a feature, therefore omits its detailed description.In one embodiment, digital micro-mirror assembly chip 1200 comprises that a plurality of micromirror parts (not icon) are controlled by driver part.Driver part produces image light to be projected to screen, and the heeling condition system of each micromirror part is according to the switching state of color light source.Light source cell 1100 can be launched red, green or blue monochromatic light respectively.Coloured light control module 1400 couples the light emission of light source cell 1100 with that a kind of color of decision radiation.From cooperate the alternating state of color light source unit 1100 than the heeling condition system of the signal of quasi-component feed-in and micromirror part.Coloured light control module 1400 is the usefulness that is used for the color coloured silk of switches light, and it can be formed by integrated circuit.The switching time of color is far faster than the rotary-type switching of known techniques.It has reduced the habit breath and has known the switching required time of color in the colored runner of technology.The switching of colorama unit causes light complying with red, blue and green sequential firing, and the light that switches exports digital micro-mirror assembly chip 1200 to.In a preferred embodiment, coloured light control module 1400 cause light source cell 1100 in regular turn with repeatedly launch red, indigo plant and green light.The alternate succession of color can change.Color light source unit 1100 has plural color section (color segment), if need brightness also can comprise the white light section.In a preferred embodiment, light source cell 1100 comprises red section, and then green section is followed successively by blue section again.In order to increase image brilliance, each blue section can be followed the white light section.
Digital micro-mirror assembly chip comprises a plurality of minute surface parts, control each minute surface and partly make it be in first heeling condition or second heeling condition, and reflection is from the light of luminescence unit institute feed-in, and switched by control module when being in first heeling condition.Utilize the control of driver element, and, make that each micromirror in the digital micro-mirror assembly chip partly is in first heeling condition or second heeling condition according to the signal and the color control module of a corresponding image.One alignment unit system is used to receive image signal and by the obtained voltage of photoelectric conversion component, and by receiving the voltage correction image signal, and the output calibration image signal is to driver element.Coloured light control module 1400 be configured to comprise red, green and blue-light source to produce the optical image of plural color.In the known known techniques, projector comprises that Digital System Processor is disposed on the DLP circuit board.The DLP circuit board is not the present invention's a technical characterictic, therefore omits its explanation.
From as can be known above-mentioned, need not for example condenser lens of colorized optical filtering runner, high temperature white light source and some lens among the present invention.Therefore, the invention solves heat dissipation problem, excessive bulk and the sudden strain of a muscle frequency effect of known projector.Moreover the present invention utilizes film, laser or light emitting diode as cold light source, does not therefore have the heat dissipation problem of high temperature, and the life-span of light source also comes longly than the white light source of known techniques, and the noise of motor vibration also can be exempted.The present invention's power consumption is low far beyond known techniques, and light source partly can be incorporated among the small-sized portable apparatus.The light that switches according to the present invention's method is one of red to obtain, green or blue light by the coloured light control module, and this coloured light advances to digital micro-mirror assembly chip 1200, and luminous flux can measure correction by postponing camera lens (relay lens), causes that this coloured light is efficient to be reached to digital micro-mirror assembly chip 1200.By known techniques as can be known, the coloured light system that is applied to digital micro-mirror assembly chip 1200 is incident on each micromirror part.Digital micro-mirror assembly chip 1200 receives the input signal of signals, and it is each red, green and blue GTG of presenting according to an image signal and in order to control the degree of tilt of each micromirror part.Yet the control of the heeling condition of bearing calibration and micromirror part is known techniques.Each optical image can obtain by the micromirror part of operand word micromirror assemblies chip 1200, and throws single picture partly on screen.Because the color light source unit can switch very efficient and fast, the light of demonstration earlier becomes the persistence of vision image that human eye is seen, can see hardly that therefore the situation that color presents respectively takes place.
The present invention can be integrated into a portable apparatus, for example mobile phone.Figure 8 shows that the functional block diagram of hand-held device, comprise SIM connector 130 in order to carrying SIM card 135, it is known technology, and SIM card is not the device of mobile phone necessity, just need not to use as the PHS system.It is non-in order to limit the present invention that right this calcspar is only done an explanation.This handheld terminal or install 10 and comprise the radio-frequency communication module.Known techniques as can be known, the radio-frequency communication module comprises antenna 105, this antenna 105 connects R-T units 110, it is in order to receive or transmission signal.The radio-frequency communication module also comprises CODEC 115, DSP 120 and A/D converter.Because the non-the present invention's of radio-frequency communication module feature is omitted its explanation.The present invention's device comprises the control IC 100 of central authorities, goes into the processing of signal in order to processing, electric power control and the output of controlling signal and data.One input block 150, built-in display unit 160, operating system 145, electric power and control circuit 140 electrical couplings (couple) respectively arrive above-mentioned control IC 100.This device also comprises internal memory 155 and is coupled to above-mentioned control IC 100, as the storage of data and operating system.According to the attribute of difference, internal memory 155 can comprise ROM, RAM, non-volatile flash memory etc.The radio-frequency communication module can be handled the reception of stating signal, frequency synthesis, the processing of fundamental frequency, processing of digital signal etc.The SIM card hardware interface then carries SIM card.Last speech sound signal is sent to output unit such as speaker/microphone unit 190.
In addition, the portable apparatus among Fig. 8 of the present invention comprises projection display module 1000, and it can be with reference to the embodiment shown in first figure.Projection display module 1000 couples control IC100.Projection lens group 1300 can utilize plural lenses to form.Therefore, data or the archives that are stored in depositing within assembly or the external device (ED) can be incident upon on screen or the wall.The user is throwed image, recreation or archives by this on an external screen.The electroluminescence assembly is that volume is little, face formula, lightweight assembly, so it can be so that mini-projector be incorporated in the portable apparatus.Similarly, projection module can be integrated or be embedded in mobile computer, mobile phone, personal digital assistant, game machine, digital camera, digital camera or the media player.
Projector or hand-held device comprise that a wireless transport module 1500 couples the control IC 100 of central authorities with wirelessly transmitting data, and it also can see through network and transmit a hand held device and an external device (ED), for example wireless network base stations (AP) or computing machine (zone or long-range), between data.In one embodiment, wireless transport module 1500 can be for being used for the wireless local area network module of short distance transmission.Wireless local area network module can be transmitted data and the message between a device and the external device (ED).Therefore, device 10 can utilize wireless transport module 1500 with swap data.Wireless transport module 1500 can with blue bud specification, wireless high fax specification (Wi-Fi), WiMax specification, 802.11x (802.11a, 802.11b, 802.11g, 802.11n) specification compatibility.Generally speaking, wireless transport module 1500 can see through wireless network base stations (AP), gateway or computing machine and is coupled to the Internet so that install 10.As a result, the user can be from the Internet data download, image, recreation, sound, audio-visual etc., and this data download of projection is to screen.
With reference to figure 9, this device comprises that main body has processor 402, display 404 is disposed on the main body and couples processor 402, one image-pickup assembly 406 places in the main body and couples processor 402, internal memory 408 couples processor 402, lens mechanism 310 is disposed on the main body and couples processor 402 and image-pickup assembly 406, and projection module 1000 couples processor 402 to throw image on screen.
When projection module 1000 is used for media player for example MP3, MP4 player, player comprises that analog-digital converter 202 is the digital audio signal with the converting analogue sound signal.The simulated sound signal can be coupled to player 200 from sound signal source.Digital System Processor 204, sound and/or audio-visual driver module 206, for example MP3, MP4 codec couple analog-digital converter 202 to receive the digital audio signal.In one embodiment, MP3, MP4 codec 206 carry out a piece of wood serving as a brake to halt a carriage body, it comprises MPEG sound layer codec (for example MP3, MP2 or the two) or audio-visual codec (for example MP4), and Digital System Processor 204 is carried out a piece of wood serving as a brake to halt a carriage body, comprises the sound codec (for example WMA, ACC or the two) of different kenels.In one embodiment, a piece of wood serving as a brake to halt a carriage body of being handled of Digital System Processor 204 comprises that also audio-visual codec is with coding and decipher audio-visual signal (for example MPEG-4 V1/V2/V3, DivX 3.11/4.0/5.0, Xvid, AVI/ASF or its arbitrary combination).MP3/MP4 codec 206 and Digital System Processor 204 couple a non-voltile memory 208 to store the voice data of compression.The user can select a certain voice files from non-voltile memory 208.MP3/MP4 codec 206 and Digital System Processor 204 couple one sound/image processor 210, and it handles the digital audio-video signal according to the implicit setting of system or user's indication.Sound/image processor 210 couples digital analog converter 212, is that analog signal is given the user with the converting digital signal.Display 214 couples Digital System Processor 204.
With reference to Figure 11, wherein projection module 1000 can be integrated in portable computer system (mobile computer), comprises that processor 800 is disposed in the portable apparatus, and keyboard 802 is disposed on the portable apparatus, display 804 couples processor 800, and internal memory 806 couples processor 800.This device comprises that application program and/or operating system 808 and hard disk 810 couple processor 800.This device more comprises wireless local area network module 1500 and projection module 1000.
The above only is the present invention's preferred embodiment, is not the claim in order to qualification the present invention, and all other do not break away from following equivalence of finishing of disclosed spirit and change or modification, all should be included in the following claim.
Claims (19)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100893966A CN101561620A (en) | 2008-04-16 | 2008-04-16 | Miniature projection module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100893966A CN101561620A (en) | 2008-04-16 | 2008-04-16 | Miniature projection module |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101668375A Division CN101876780A (en) | 2008-04-16 | 2008-04-16 | Miniature projection module |
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| CN101561620A true CN101561620A (en) | 2009-10-21 |
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| CNA2008100893966A Pending CN101561620A (en) | 2008-04-16 | 2008-04-16 | Miniature projection module |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012623A (en) * | 2010-11-02 | 2011-04-13 | 上海理工大学 | Miniature projector system connected by wireless signal |
| CN102164190A (en) * | 2010-02-24 | 2011-08-24 | 江国庆 | Handheld communication device with embedded projection module |
| CN102196217A (en) * | 2010-03-11 | 2011-09-21 | 江国庆 | Traffic carrier with projection system |
| CN102200683A (en) * | 2010-03-24 | 2011-09-28 | 卡西欧计算机株式会社 | Light source unit and projector |
| US8640954B2 (en) | 2007-04-10 | 2014-02-04 | Bascule Development Ag Llc | Filter-free projector |
| US8657201B2 (en) | 2004-11-15 | 2014-02-25 | Bascule Development Ag Llc | Filter-free projector |
| CN103914159A (en) * | 2013-01-09 | 2014-07-09 | 海华科技股份有限公司 | Interactive projection system, projection device, and projection device control method |
| US8953103B2 (en) | 2004-11-15 | 2015-02-10 | Bascule Development Ag Llc | Projector embedded into a portable communication device |
| US9083781B2 (en) | 2004-11-15 | 2015-07-14 | Bascule Development Ag Llc | Portable image-capturing device with embedded projector |
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2008
- 2008-04-16 CN CNA2008100893966A patent/CN101561620A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8657201B2 (en) | 2004-11-15 | 2014-02-25 | Bascule Development Ag Llc | Filter-free projector |
| US8953103B2 (en) | 2004-11-15 | 2015-02-10 | Bascule Development Ag Llc | Projector embedded into a portable communication device |
| US9083781B2 (en) | 2004-11-15 | 2015-07-14 | Bascule Development Ag Llc | Portable image-capturing device with embedded projector |
| US8640954B2 (en) | 2007-04-10 | 2014-02-04 | Bascule Development Ag Llc | Filter-free projector |
| CN102164190A (en) * | 2010-02-24 | 2011-08-24 | 江国庆 | Handheld communication device with embedded projection module |
| CN102196217A (en) * | 2010-03-11 | 2011-09-21 | 江国庆 | Traffic carrier with projection system |
| CN102200683A (en) * | 2010-03-24 | 2011-09-28 | 卡西欧计算机株式会社 | Light source unit and projector |
| CN102200683B (en) * | 2010-03-24 | 2012-12-12 | 卡西欧计算机株式会社 | Light source unit and projector |
| CN102012623A (en) * | 2010-11-02 | 2011-04-13 | 上海理工大学 | Miniature projector system connected by wireless signal |
| CN103914159A (en) * | 2013-01-09 | 2014-07-09 | 海华科技股份有限公司 | Interactive projection system, projection device, and projection device control method |
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