CN1864187A - Method and apparatus for light emitting devices based display - Google Patents

Method and apparatus for light emitting devices based display Download PDF

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Publication number
CN1864187A
CN1864187A CN 200480028697 CN200480028697A CN1864187A CN 1864187 A CN1864187 A CN 1864187A CN 200480028697 CN200480028697 CN 200480028697 CN 200480028697 A CN200480028697 A CN 200480028697A CN 1864187 A CN1864187 A CN 1864187A
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leds
array
equipment
light
transfer table
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西拉·M·施维基
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Abstract

A method and apparatus for a light emitting devices based display have been disclosed. An array of LEDs are positioned in a primary position and moved to a specified position. An input display signal is received after determining whether the LEDs are in a specified. The LEDs are energized by the input display signal. The process of moving the array of LEDs is repeated if the LEDs are not in end position.

Description

Be used for Apparatus and method for based on the demonstration of light-emitting device
Relevant application
Present patent application requires the U.S. Provisional Application series number 60/496323 to submit on August 19th, 2003, denomination of invention is the right of priority of " being used for the Apparatus and method for based on the demonstration of light-emitting device ", it has identical inventor with the application, and thereby is hereby incorporated by.
Technical field
The present invention relates to display.More particularly, the present invention relates to a kind of method and apparatus of the light-emitting device based on display.
Background of invention
Display is the one-piece parts of transmission information.With visual form display message often is the effective and efficient manner of information communication.To being a problem always by very little (for example mobile phone) to the demand of the display of the various sizes of giant display (for example, stadium display).In addition, in some applications, mobile phone for example, extra demand display consumes energy still less.In addition, need the projection display.This may bring a problem.
Electronic console is a kind of prevailing output unit pattern, and is a kind of advantageous device that information (visually) is conveyed to the people.Therefore, electronic console can be applied to instrumentation, computing machine, amusement and other field.Portable unit is notebook computer, mobile phone for example, and PDA (personal digital assistant) is widely used and has utilized various Display.Current, LCD display generally is used.Most of users wish that display has high as far as possible resolution, but this often causes for example notebook computer employing 15 in vogue now of bigger equipment " and 17 " lcd screen.Undersized high resolution readable device may be useful.A kind of method that obtains big display is by amplifying small-sized virtual image electronic console optically.A kind of this display is called as " head is put display ".It is pretty troublesome that yet this display uses, because it will be connected on the user.
May need a kind of small-sized compact projection display that can throw real image.Current, on market, there is the projection arrangement of the high power consumption of multiple large-scale heaviness.These devices use three-dimensional photomodulator, for example DMD (digital micro-mirror device Digital Micromirror Device) or liquid crystal light valve or reflectivity LCOS (the liquid crystal Liquid Crystal on Semiconductor on the semiconductor) array apparatus usually.DMD and LCD type projector have used the high density lamp, and this lamp is luminous with stable brightness.Usually use the bulb of 250W.Therefore, the final equipment that generates is big and heavy with volume, consumes a large amount of electric energy, and needs a large amount of coolings.Another kind method is for using blue, green and red light emitting diode as the light source with stereo light modulator.But be difficult to produce desired brightness like this.
Another kind of normally used projection display technique has used cathode-ray tube (CRT) (CRTs).These displays are usually big and heavy, because they have used three very bright CRTs by single lens or three lens focuss with this image of projection usually.Optical projection system based on CRT is used to projection TV system and is not easy to very much carry.
Usually be more convenient for carrying based on the display projection system of DMDs, LCDs or LCOSs, but volume is still bigger.Typically " portable " equipment is of a size of 1.9 " * 9 " * 7 ", weight is greater than 1 kilogram, and consumed power surpasses 300Watts.They are usually designed to projection and have 7.5 feet cornerwise images (it has covered 27 square feet).The projector of typical 800 lumens is for the image (7.5 feet diagonal line) that covers 27 square feet, has the brightness of 30 lumens/every square feet.Typical television image has the brightness of about 20-30 lumen/square feet.
Fig. 3 is the method for prior art 300, and this method has been used laser 302 light sources, and wherein light beam 303 is penetrated is providing on the rotating polygon mirror of horizontal reflection.Penetrating through beam reflected 305 is providing on the oscillating current of the vertical reflection 306 meter mirror.Then light beam 307 passes projecting lens 308, penetrates at last on screen 310 with the name appearance of light beam 309.Because related parts, this method may be very expensive.
Thereby these all displays have proposed a problem.
The accompanying drawing summary
The present invention, still is not limited in the scope of accompanying drawing, wherein by diagram by example:
Fig. 1 illustrates the network environment that can be used for realizing Apparatus and method for of the present invention;
Fig. 2 is the calcspar that is used to realize the computer system of some embodiments of the present invention;
Fig. 3 has shown the method for a prior art;
Fig. 4 illustrates one embodiment of the present of invention, its Display projector image.
Fig. 5 is for illustrating one embodiment of the present of invention, and it has shown the xsect of a projector embodiment;
Fig. 6 illustrates one embodiment of the present of invention of system block diagram form;
Fig. 7 illustrates one embodiment of the present of invention, and it has shown basic details and N * 1LED horizontal array;
Fig. 8 illustrates one embodiment of the present of invention, and it has shown by using vertical movement to generate a M * N and has shown;
Fig. 9 illustrates one embodiment of the present of invention, and it has shown timing and the excitation of LDEs;
Figure 10 illustrates one embodiment of the present of invention, and it has shown that generating a M * N by the usage level motion shows.
Figure 11 illustrates another embodiment of the present invention; With
Figure 12 illustrates one embodiment of the present of invention of process flow diagram form.
Describe in detail
This design as illustrated in various embodiments of the present invention, illustrates light-emitting device and how to be used to generate demonstration.Multiple light-emitting device is arranged, light emitting diode (being commonly called LEDs) for example, visual emitting laser, vertical cavity surface light emitting laser (VCSELs), quantum dot, resonating cativty light emitting diode (RCLEDs) or the like.A plurality of embodiment of the present invention for convenience of explanation, LED and similar terms are used to the light-emitting device of representing that all are such, and not only are light emitting diode.Be that we LED used herein comprises light emitting diode, laser etc.Wherein when needs are distinguished, will use desired particular term clearly in the literary composition.
In one embodiment, the present invention can be used for generating the miniature electric display device.In another embodiment, display can show low-power.Small-sized portability, the electronic installation of low-power consumption is more conducive to be used in the fields such as industry, military affairs, commerce, consumption.In another embodiment of the present invention, portable projection device can be generated with display image.
In one embodiment, the present invention does not use stereo light modulator.It has used and has been installed in on-chip single line redness, green and blue led s.Substrate with certain speed in 1/85 second time for example, thereby along path movement scanning whole image frame, and LEDs is driven (be also referred to as modulated, pulsed modulation or be activated) to generate suitable brightness in red, green and blue coloured light spectral line.
In one embodiment of the invention, red, green and blue look array lines spatially slightly move and the LEDs that allows to activate in time the respective color of being moved to generate final image, wherein final color is that the space is correct.Display controller has been considered the space action of red, green and blue look LEDs, has determined to be used to the driving LED array about correct (for example intensity) information of red, green and blue color pixel in the suitable time.
In addition, in other embodiments, the driving of LEDs is considered to realize in use having the more consistent brightness and the display of color balance with the wear life feature.
In one embodiment, the present invention can be used to generate Projection Display.A kind of usage is a Display projector at smooth workplace for example on desk or the desk, or is projected on a blank sheet of paper.Image is approximately from the about 35-45cm of user's eyes.In one embodiment of the invention, generate have the image of 800 * 600 pixels to take about 8 " take advantage of 6 " and area.This represents the picture element density of 100 of about per inchs and about 30 angular field of views of spending at the 40cm place.This is fine for the beholder, although because human eye can be seen the visuals field that surpass about 100 degree, when exceeding center, the visual field about 15 and spending, resolution descends significantly.8 " take advantage of 6 " dimension of picture have 1/3 square feet area.Therefore, the output of the light of 10 lumens will provide the brightness of 30 lumen/square feet.The luminescence efficiency of LEDs stably improves in nearest several years.Luminescence efficiency can be in whole spectrum change; Yet, the current number that closes that can obtain about 30 lumens/W.Therefore may construct a Portable LED based on projection display system, consider all losses, the conversion inefficiency is together with being used for the required energy of kinematic system, and this system adds up to the 3-5 watt with consumption.
Thereby the method and apparatus that is used for based on the light-emitting device of display is described.
Fig. 1 illustrates network environment 100, wherein can use described technology.Network environment 100 has network 102, and this network 102 connects S server 104-1 to 104-S, and is connected C client 108-1 to 108-C.
Fig. 2 illustrates computer system 200 with the form of calcspar, and it can represent as shown in fig. 1 arbitrary client and/or server, and the device among other figure, client and server.More details will be described following obtaining.
Fig. 4 illustrates an embodiment of the present invention 400, and 402 for comprising the housing of LED display projection system, and this display projection system is projected to the image that 408 places show by window 404, and this window 404 is dimensionally as for example expansion shown in 406 of dotted line.In one embodiment of the invention, lucky stone formula rectification (Keystone correction) is used to provide the lip-deep projection that is not subjected to lucky stone formula effects.In one embodiment, as shown in Figure 4, size for example can for, b equals 5cm, a equals 7.5cm, c equals 25cm, d equals 15cm, f equals 15cm and g equals 20cm.In other embodiments, thus lucky stone formula correct and can in lip-deep whole image, have identical brightness in projection together with the image that intensity compensation is used institute's projection.
Fig. 5 illustrates another embodiment of the present invention 500.The xsect that has shown an embodiment of projector.At 502 places is video input and power supply input.504 places are linear motion device.506 places are the substrate with led array and control device.This substrate led array (IR LED, VCSEL, etc.) is provided thus physical support array is positioned accurate position.In addition, have between driver and control electronic integrated circuit and LEDs and be electrically connected, described driver and control electronic integrated circuit can be connected on (for example bonding) substrate.Material with good thermal conductance attribute can be selected as substrate to conduct the heat of being dispersed in LEDs and the electronic unit effectively.508 places are the optics apparatus that is used to focus on projection image.
Fig. 6 illustrates an embodiment of the present invention 600, and it has shown a system block diagrams.602 places are the video input, and it can be made of multiple input signal format, and for example DVI simulates etc.604 places are the power supply input.Carry out conversion to digital format at square 606 places.This conversion is necessary for analog input signal usually.In other embodiments, the digital video input has necessity and is converted to the acceptable form of demonstration and time controller and movement controller again, shown in 614.The output of square 606 is connected with time controller and movement controller with the demonstration of 614 places indications by connecting 608.614 also with the clock shown in 610 and as be used for the flash memory signal that brightness is corrected shown in 612, or other correcting factors are as input.The position signalling of 605 places indication provides position feedback information, and this information is provided by the outer locator that IR LED or VCSEL are triggered, and described IR LED or VCSEL are encouraged by substrate.Two output signals are provided by 614 demonstration and time controller and movement controller, and these are output signal 616, and it is the action control signal; With output signal 618, it is transferred into 620 indicated led drivers.In one embodiment of the invention, led driver drives the LEDs of three different colors, redness 622, green 624 and Lan Se 626.In this embodiment, 628 led array has triplex row LEds as shown, each behavior monochrome; 630 places are red, and 632 places are green and 634 places are blue look.
In other embodiments of the invention, led driver can drive the LEDs of different color or the LEDs of varying number.In addition, led array can be can't help the row of single color LEDs and be constituted, and constitutes but the LEDs that is interted by for example different color is capable.It will be appreciated by the skilled addressee that multiple different possibility scheme is feasible and certain benefit can be arranged from structure and design angle.
Fig. 7 illustrates an embodiment of the present invention 700, has shown substrate details and N * 1LED horizontal array.704 places are demonstration and time controller and movement controller, itself and flash memory 702, storer 706 and led driver 708 interactions.Led driver 708 is connected by the interface with the led array of 710 place's infrared LEDs and triplex row different colours in addition; The redness at 712 places, the blue look at the green at 714 places and 716 places.As shown in Figure 7, a is the horizontal pixel pitch that is used for each row LEDs, and b is the interval between Lan Se and the green rows LEDs, and c is green and the red LED s interval between capable.In one embodiment of the invention, micro mirror can be configured or be placed on the top of each LEDs, but it can cause the higher perceived flux output of each LEDs and the cross-talk between the minimizing device.
Fig. 8 illustrates an embodiment of the present invention 800, has shown that the use vertical movement generates M * N and shows.Here, 802 places are the device with M pixel column, and this pixel column is along the direction action of arrow 806 indications.Final M * N the pixel of indicating respectively that is shown as 804 and 808 places.In one embodiment of the invention, the display resolution of M * N pixel is determined by on-chip pixel quantity in the M direction, and the pixel quantity on the N direction is by being determined along the number of times that this movable length can be energized along length and pixel that direction of action moved.Determined by speed of on this direction, advancing and driving M used time of pixel at the interval between the pixel on the N direction.In another embodiment of the present invention, the pixel on the M direction can be by " jogging " (for example, along horizontal balance) but fixed pixel and perception ground increases, thereby the surface is gone up and increased resolution.
In one embodiment of the invention, as shown in Figure 8, the direction of action of M pixel 802 is along as the indicated single direction of arrow 806.In order to repeat to show, in one embodiment, M pixel 802 can be around an axle spin that is parallel to array.In this embodiment, demonstration can be seen by a plurality of angles, because M pixel 802 is rotated along circular path.When M pixel 802 is illuminated, so, control just can be determined can see demonstration from that viewing angle.
In one embodiment of the invention, as shown in Figure 8, the direction of action of M pixel 802 at first on direction as arrow 806 indications, and then, its reverse direction and along the direction action opposite with 806 directions.Then, in this embodiment, M pixel 802 shows front and back " as shuttling back and forth back and forth " to generate M * N pixel.
Fig. 9 illustrates an embodiment of the present invention 900, has shown timing and the excitation (be also referred to as modulation, excite or drive) of LEDs.902 places are the time template that is used to show LEDs timing and excitation.904 places have shown timing and the excitation of red LED s, and time ON is indicated by the appearance and the width of vertical bar, and OFF time while is this bar not.The timing of 906 place's illustrated green and the 908 illustrated blue LED of place.One of skill in the art will recognize that this is modulated to pulse-length modulation (PWM).In other embodiments, other forms of modulation can be used, for example, and pulse-position modulation, pulse amplitude modulation etc.
In another embodiment of the present invention 1000, as shown in figure 10, M * N demonstration generates by the usage level action.The orthogonal array of N pixel 1002 is along direction 1006 actions.Can realize the final demonstration of M * N pixel, wherein M size 1008 and N size 1004.Do not exist in vertical direction under the situation of any shake of array 1002, N size pixel separation is based on the pixel separation that is positioned on the substrate 1002.Pixel resolution M1008 on the horizontal direction is based on along the action of 1006 indicated directions the time, the timing of the LEDs on the substrate 1002 and excitation.
In one embodiment of the invention, as shown in figure 10, the direction of N pixel 1002 action is as the indicated single direction of arrow 1006.In order to repeat to show, in one embodiment, N pixel 1002 can be around the axle spin that is parallel to N pixel 1002.In this embodiment, because N pixel 1002 is rotated along horizontal circular path, demonstration can be in sight by a plurality of angles.When N pixel 1002 is illuminated, and then, control will determine to show can be viewed angle.
In one embodiment of the invention, as shown in figure 10, the direction of action of N pixel 1002 is initially the direction as arrow 1006 indications, and then N pixel 1002 is moved with reverse direction and along the direction opposite with 1006.Then in this embodiment, N pixel 1002 will be flatly before and after " as shuttling back and forth back and forth " action show to generate M * N.
Figure 11 illustrates another embodiment of the present invention 1100.In this legend, substrate 1002 shows to generate on first passage along 1006 indicated direction actions.On second channel, substrate such as arrow indication moved a pixel.According to the method, by generating a plurality of passages, on substrate, just need LEDs (such as M/2) still less.M * N pixel finally be presented at the M direction as shown in 1108 and on the N direction shown in 1110.In another embodiment in addition, on-chip pixel quantity can be by increasing the generation required number of channels of demonstration and further being reduced.
In one embodiment of the invention, as shown in figure 11, the direction of action of M/2 pixel 1102 is as the indicated single direction of arrow 1106.In order to repeat to show, in one embodiment, M/2 pixel 1102 can be around the axle spin that is parallel to the M/2 pel array.Then in this embodiment, because M/2 pixel 1102 is rotated along vertical circular path, demonstration can be seen by a plurality of angles.When M/2 pixel 1102 is driven and be illuminated thus, then control will be determined the angle that display can be viewed.
In one embodiment of the invention, as shown in figure 11, the direction of M/2 action is initially the indicated direction of arrow 1106, and then its reverse direction and along moving in the opposite direction with 1106 indicated sides.Then, action that in this embodiment, M/2 pixel 1102 will be vertically " as shuttling back and forth back and forth " shows to generate M * N pixel.
Those skilled in the art will appreciate that to generate the special case that the M * N pixel with M/2 LEDs is shown as the expression embodiment of the invention in the method in common more of using M/J LEDs that wherein J is the integer greater than zero.Then J represent to be used to construct M * N show (promptly (M/J) (J) * N=M/N) required " passage " quantity.Those skilled in the art will appreciate that when J greater than 1 the time, the LEDs array need be placed on the centre position (being generally equidistant) of continuous passage, shows thereby can generate consistent M * N.For example, if use M/2 LEDs, so at passage 1, the preliminary examination that M/2 led array can have perpendicular to 0 direction of motion departs from.At passage 2, M/2 led array can have perpendicular to the departing from of the direction of action of 1/2 distance between the single led s in the led array.At passage 3, depart from and can be the departing from of passage 1, at passage 4, depart from and can be the departing from of passage 2, so repeat down then.Be generally under the situation of J, additionally departing from of continuous passage may be the 1/J distance between the single led s in the led array, shows because the J passage need use M/J LEDs to construct M * N in led array.
Figure 12 illustrates one embodiment of the present of invention 1200 in the mode of process flow diagram.1202 place's light-emitting device (LEDs) arrays are set to first initial position.The initialization of 1204 places the mark of beginning, current and end position.1206 places, the LEDs array is positioned at first direction.The current location of 1028 place's led array is updated and 1210 places, and suitable LEDs is energized to produce light in the array.1212 places determine whether led array arrives end position.If go back the no show end position, array is positioned at 1206 places once more so, and in location, 1208 places, and LEDs is energized at 1210 places.If arrived end position, step repeats at 1202 places so.
In one embodiment of the invention, initial primary importance can be the opposite end of this line movement platform for an end and the end position of line movement platform shown in 1202.In this embodiment, array can be transverse to the other end by an end with fixing basically speed and then get back to preliminary examination starting position (more as if turn back) quickly.
In another embodiment of the present invention, initial primary importance can be positioned at the line movement platform shown in 1202 an end and terminal position can be positioned at identical position.In this embodiment, array can be transverse to the other end and then be got back to initial starting position by an end, thereby moves (except changing the position when the reverse direction of end) back and forth with fixing basically linear speed.
It will be appreciated by the skilled addressee that the term level or vertically be to be used to describe the present invention, but can not be understood as that only to limit the invention to operates on level or upright position.The present invention in other embodiments can operate on the direction of any angle.For example, display can be operated (i.e. 45 degree) on diagonal line.When be driven the type that to determine to be shown image by the control pixel.
In other embodiments of the invention, action except pure horizontal or vertical action, can also be these actions, and is oval, or is characterized as the motion combination of the rotation array of LEDs.The bond of one or more LEDs arrays also can be used.For example, in one embodiment, be provided with two LEDs arrays, one is horizontally disposed with and is positioned at another vertically disposed array the place ahead, and two arrays can be worked at the same time.Should be understood that by physically moving light source such as LEDs with control when luminous they are, can generate demonstration, this demonstration seems that for human eye the M * N as pixel shows.Therefore we can have the LEDs that moves in check mode in a large number.LEDs the suitable time be energized and with the action synchronously with " describing " picture, this picture can be by " amplification " and projection.
In other embodiments of the invention, line movement except generating demonstration, outside fixing basically when for example M * N shows, can change.It will be appreciated by the skilled addressee that the speed of the position of grasping led array and led array and suitably encourage LEDs can generate multiple effect.For example, can compress and/or expand in the zones of different of M * N image.For example, if the excitation rate of LEDs remains unchanged and led array speed when increasing, image will seem and be stretched.Similarly, if the excitation rate of LEDs remains unchanged and the distance of every unit time of led array is less than ratings, image will seem along the led array direct of travel and diminish.In conjunction with being possible also, its medium velocity can be greater than ratings in single M * N shows, equals ratings and less than ratings.Those skilled in the art will appreciate that same effect can realize by the firing time with LEDs in specified basically speed and the control led array.
In another embodiment in addition of the present invention, provide optical projection system based on small-sized light emitting diode.Its linear array by the light emitting diode that is installed in on-chip redness, green and blue look is constituted.Substrate also comprises electronic circuit mounted thereto, and electronics and mechanical pick-up device.Electronic circuit is used to driven for emitting lights diode array under suitable time and suitable power level.Substrate is installed on the transmission shaft of (for example, DC motor, linear piezoelectric motor etc.) on the linear motor or linear stepping motor or servocontrol motor.Controller in the system is along straight line (for example back and forth) mobile substrate and generate image in a controlled manner physically.Projection optics (lens) provides amplifies and will be by the formed image focusing of light emitting diode on flat surfaces.In one embodiment, thus image at high speed an every trade form and in 1/85 second, to form whole image.Picture information is sent to system by the telecommunication line that is connected to outside (computing machine, PDA or other display drivers) and is connected on the substrate by flexible cable.On-chip controller provides the control of synchronization timing and linear motion device.
For illustrative purpose, the present invention has described the visible demonstration of people.Yet other embodiment of the present invention can generate the sightless demonstration of people.For example IR (infrared ray) LEDs array can generate the sightless demonstration of people, but this demonstration is visible for the video camera in this SPECTRAL REGION sensitivity.Other embodiment of the present invention can be used for showing makes for example resin, aggressiveness or other materials, and described demonstration can expose the hardening region of above-mentioned material and not expose its non-hardening region.Those skilled in the art will appreciate that method and apparatus of the present invention can be used to generate the M of the energy in the multiple spectral range * N and show.
In addition, for illustrative purpose, the present invention has described " projector " optical element.For example provided among Fig. 4 by the extremely big image of little array " projection ", yet the present invention is not limited to enlarged image.Displayed image can have identical size or " minimizing " dimensionally to some extent with array.For example, in order in the imaging and photo-etching glued membrane, to generate very high resolution, can be reduced to littler size optically by the demonstration that array generated.
Refer again to Fig. 1, illustrate network environment 100 among Fig. 1, wherein described technology is used.Network environment has network 102, and this network 102 connects S server 104-1 to 104-s, and connects C client 108-1 to 108-C.As shown, interconnect by network 102 with a plurality of computer systems of S server 104-1 to 104-S and C client 108-1 to 108-C form, it can be for for example based on the network of corporations.It is one or more to it should be noted that alternative network 102 can or comprise: the Internet, and Local Area Network, broadband networks (WAN), satellite connects, fiber optic network, cable system, or these and/or other bond.This server for example can be represented, independent disk storage system or storage and computational resource.Similarly, client can have calculating, stores and check ability.Method and apparatus described herein can be applied to all types of basically visual communication device or equipment, no matter be local or long-range, and LAN (Local Area Network) for example, broadband networks, system bus etc.Therefore the present invention can be applied to S server 104-1 to 104-S and C client 108-1 to 108-C.
Refer again to Fig. 2, the form with calcspar among Fig. 2 illustrates computer system 200, and it can represent as shown in fig. 1 arbitrary client and/or server.Calcspar is high level conceptual and can realizes with multiple structure in many ways.Connected central processing unit (CPU) 204 in the bus system 202, ROM (read-only memory) (ROM) 206, random access storage device (RAM) 208, storer 210, display 220 is (for example, the embodiment of the invention), audio frequency apparatus 222, keyboard 224, indicator 226, mix I/O (I/O) device 228 and communication system 230.Bus system 202 can for example be one or more buses, such as system bus, peripheral element extension interface (PCI), Accelerated Graphics Port (AGP), small computer system interface (SCSI) Institute of Electrical and Electric Engineers (IEEE) standard digital 1394 (FireWire), universal serial bus (USB) etc.CPU 204 can be for single, and is a plurality of or even be the Distributed Calculation resource.Storer 210 can be CD (CD), Digital video disc (DVD), hard disk (HD), CD, tape, flash memory, memory stick, video recorder etc.Display 220 can be for example embodiments of the invention.Notice the actual realization situation that depends on computer system, computer system can be included in some in the calcspar, and all, more or reseting of element put.For example, less client can be held device by wireless hand and constitute, and this device does not have for example traditional keyboard.Therefore the multiple variation for system among Fig. 2 is possible.
For argumentation of the present invention and understanding, be to be understood that multiple term known in the art is used to description technique and method.In addition, in description, explain for convenience that multiple specific details is presented to provide whole understanding of the present invention.Yet it is evident that, to those skilled in the art, do not need these specific detail just can realize the present invention.In some instances, the construction and device of knowing illustrates with the form of calcspar, and does not describe in detail,, thus prevent interference of the present invention.Be described thereby these embodiment have used enough details and make those of ordinary skills can realize this invention, and be appreciated that other embodiment can be used, and on the basis that does not break away from the scope of the invention, can carry out logic, machinery, electronics and other variations.
Some part of describing may be used the algorithm and the symbolic representation term of operation, and described operational example is as the operation for the data bit in the computer memory.These arthmetic statements and be expressed as those skilled in the art's employed method in data processing technique, it can convey to the essence of its work the other staff in present technique field most effectively.Here, algorithm is usually designed to self-consistent behavior sequence, to produce desired result.The behavior is those behaviors that need carry out physics control to physical magnitude.Usually, although non-essential, these quantity have been taked the form of electronics or magnetic signal, described signal can be stored, sends, in conjunction with, relatively or other operations.Because common the use is called bit with these signals, be worth in principle, element, symbol, character, term, numeral or other analogs have been proved more easy to use.
Yet what should keep firmly in mind is, these all similar terms are relevant with corresponding object quantity and be the convenience mark that is applied to these quantity only.Unless statement or apparent in explanation especially, be to be understood that in whole explanation, utilize the argumentation of term such as " processing " or " using COMPUTER CALCULATION " or " calculating " or " determining " or " demonstration " etc., can refer to the behavior and the processing procedure of computer system or other computing electronicss, it can be operated and be represented as physics (electronics) quantity data in the computer system RS and be converted into by similar computer system memory or register or other similar information storeies of being expressed as, other data of physical magnitude in transmitting-receiving or the display device.
Carrying out herein, apparatus operating can realize the present invention.Described equipment is specifically constructed and is used for desired purpose, or it comprises the computing machine of general objects, and it can selectively activate or reset and put by the computer program that is stored in the computing machine.This computer system can be stored in the computer-readable recording medium, for example but be not limited to, the disk of any kind comprises floppy disk, hard disk, CD, read-only optical disc (CD-ROMs) and magneto-optical disk, ROM (read-only memory) (ROMs), random access storage device (RAMs), EPROM (EPROM) s
Electrically-erasable programmable read-only memory (EEPROM) (EEOROMs), flash memory, magnetic or optical card etc., or the medium of any kind, this medium is suitable for storing with respect to computing machine or the e-command of Local or Remote.
Algorithm that is proposed and demonstration are not relevant with any specific computing machine or other equipment inherently herein.Multiple general system can use together with program according to content herein, and the equipment of perhaps can constructing easily more specifically is to carry out desired method.For example, by to the programming of general processor, or the combination by any hardware and software, any the method according to this invention can be performed in hardware circuitry.Those of ordinary skills will be appreciated that immediately that the present invention can also realize in the mode except the computer system configurations of foregoing description, comprise hand-held device, multicomputer system, based on microprocessor or programmable consumer electronics, digital signal processing (DSP) device, set-top box, NetPC Network PC, small-size computer, mainframe computer etc.The present invention also can be applied to the distributed arithmetic environment, and wherein task is finished by teleprocessing equipment, and this teleprocessing equipment connects by communication network.
The method of the present invention element that can use a computer is realized.If write out to meet the program language of knowing standard, design realizes that the instruction sequence of this method can be by compiling to carry out or to be used for the interface of several operation systems on the multiple hardwares platform.In addition, the present invention is not described with reference to any specific program language.Be to be understood that a plurality of programming languages can be used to carry out content described herein.In addition, with a kind of form or other forms (program for example, step is used, drive ...) software is discussed as a kind of behavior of employing or causes that certain result is very general for this area.This statement is only carried out certain behavior or is generated certain result's brief description method for thereby the computing machine executive software causes computer processor.
Be to be understood that those of ordinary skills have used multiple term and technology to describe communication, agreement, application program, execution, mechanism etc.A kind of this technology is the description that the technology of algorithm or mathematic(al) representation form is carried out.That is, when technology can be performed with the run time version in the computing machine, the expression of this technology can be by more suitably, expresses compactly and pass on to be formula, algorithm or mathematic(al) representation.Therefore, persons of ordinary skill in the art will recognize that square represents that with A+B=C adds a function, it is carried out in hardware and/or software will have two inputs (A and B) and generate a summation output (C).Therefore, formula, algorithm or mathematic(al) representation can be understood to be at least and to have physical embodiments in hardware and/or the software (computer system for example, technology wherein of the present invention can as performed being implemented among the embodiment) as the use of describing
Machine readable media can be understood to include any mechanism that is used for the storage of the readable form of machine (for example, computing machine) or the information of transmission.For example, machine readable media comprises ROM (read-only memory) (ROM); Random access storage device (RAM); Magnetic disk storage medium; Optical storage media; Flash memory device; Electronics, optics, acoustics or other forms of transmitting signal (for example carrier wave, infrared signal, digital signal or the like) etc.
As used in the specification, " embodiment " or " embodiment " or similar term mean that described feature is included at least one embodiment of the present invention.Might not be meant identical embodiment to quoting of " embodiment " in this instructions; Yet these embodiment do not repel each other yet." enforcement " also not implicit only embodiments of the invention.For example, feature, structure, the behavior described in " embodiment " also can comprise in other embodiments.Therefore, the present invention can comprise the multiple combination of embodiment described herein and/or comprehensive.
Thus, the method and apparatus that is used for based on the light-emitting device of display has been described.

Claims (40)

1, a kind of method comprises:
(a) an array with light-emitting device (LEDs) is arranged on primary importance;
(b) move described LEDs array;
(c) determine whether described LEDs array is positioned at given position;
(d) receive the input shows signal;
(e) excitation is arranged in the one or more LEDs of described LEDs array;
(f) whether the described LEDs array of induction is positioned at the end; With
(g) do not repeat (b) to (f) if be not positioned at described end position; With
Repeat (a) to (f) if be positioned at described end position.
2, the method for claim 1, wherein said setting and the mobile linearity that further comprises move.
3, the method for claim 1, wherein said excitation is based on the input shows signal of described reception.
4, the method for claim 1, wherein said array further comprises the array that is essentially red light emitting diodes, is essentially the array of green LED and is essentially the array of blue luminescent diode.
5, method as claimed in claim 4 further comprises any light by described redness, green and blue luminescent diode emission is focused on the projecting plane.
6, the method for claim 1 comprises that individual described given position of M described light-emitting device and N and the described method of claim 1 can generate M * N and show.
7, a kind of machine readable media that stores instruction thereon, it carries out method as claimed in claim 1 when carrying out.
8, a kind of system that is connected in the processor on the storer that comprises, it carries out method as claimed in claim 1 when carrying out one group of instruction.
9, method as claimed in claim 1 further comprises and payment and/or credit UNICOM.
10, a kind of equipment comprises:
Linear transfer table;
Be installed to the substrate of described linear transfer table;
Be connected in light-emitting device (LEDs) array of described substrate; With
Be connected in the controller of described substrate.
11, as the equipment of claim 10, wherein said linear transfer table can move along one or more directions.
12, as the equipment of claim 10, wherein said linear transfer table can move around.
13, as the equipment of claim 10, wherein said controller is coupled with the zero of controlling described LEDs array or the illumination of more LEDs.
14, as the equipment of claim 13, wherein said controller is coupled to control the location of described linear transfer table.
15, as the equipment of claim 10, wherein said linear transfer table further comprises one or more substantially parallel tracks.
16, a kind of equipment that generates demonstration comprises:
Be used to locate the device of light-emitting device (LEDs) array;
Be used to encourage the device of zero or more LEDs of described LEDs array; With
Be used for the device that focuses on from the light of described zero or the more LEDs that are energized any.
17, as the equipment of claim 16, further comprise the device that is used to compensate described LEDs loss.
18,, further comprise the device of the loss that is used to compensate the described device that is used to locate as the equipment of claim 16.
19, as the equipment of claim 16, the wherein said device that is used to locate comprises the device that is used for along the location of circular path basically.
20,, comprise that further M LEDs and N position of being used for using at described led array generate M * N device shown as the equipment of claim 16.
21,, further comprise being used for using M/2 LEDs and N position to generate M * N device shown at described LEDs array as the equipment of claim 16.
22,, comprise further being used for using M/J LEDs and N position to generate M * N device shown that wherein J is the integer greater than zero at described LEDs array as the equipment of claim 16.
23,, comprise that further generating described M * N for 24 to 170 times with per second basically shows as the equipment of claim 20.
24, a kind of machine readable media that stores expression as the facility information of claim 16 thereon.
25, a kind of equipment comprises:
The first linear transfer table, it is installed on the one or more tracks towards first direction;
Platform, it is installed on the described first linear transfer table;
The second linear transfer table, it is installed on the one or more tracks and is connected with described platform towards second direction;
Substrate, it is installed on the described second linear transfer table; With
Light-emitting device (LEDs) array, it is connected on the described substrate.
26, as the equipment of claim 25, wherein said first direction and described second direction meet at right angles basically.
27, as the equipment of claim 25, further comprise:
Be connected in first mobile device of the described first linear transfer table; With
Be connected in second mobile device of the described second linear transfer table.
28, as the equipment of claim 27, wherein said second mobile device is installed on the described platform.
29,, further comprise the one or more lens that are connected with described LEDs array optical as the equipment of claim 25.
30, a kind of system that is used for displayed image comprises:
Be used to receive the device of shows signal;
Be used to locate the device of light-emitting device (LEDs) array;
Be used for determining the device of described LEDs array exact position;
Be used for the device that the one or more LEDs of described LEDs array encouraged based on described shows signal; With
Be used for sending optically the device of light by described one or more LEDs through excitation.
31, a kind of display device comprises:
A plurality of movably light sources, it can generate light output;
Lens, it can receive and the described light output of projection.
32, as the display device of claim 31, wherein said lens further comprise a plurality of lens.
33, as the display device of claim 32, the described a plurality of lens of some of them are one group of micro mirror, and it physically is close to substantially and is attached to one or more described a plurality of movable light source by optics.
34, as the display device of claim 33, the described a plurality of lens of some of them are lens relevant with projection lens system, and it is projected to described optics output can observe the surface.
35, as the display device of claim 34, the wherein said surface of observing is by flat surfaces, selects in the group that retinal surface and translucent optical surface constituted.
36, a kind of being used to generates the method that M * N shows, this method comprises:
The mobile delegation substantial linear M that can generate a light element at interval is to N position;
With
Encourage and generate described light on the one or more one or more positions in described N position in the described M element.
37, a kind of being used to generates the method that M * N shows, this method comprises:
Move and to generate M element of light to N position; With
Encourage and generate described light on the one or more one or more positions in described N position in the described M element.
38, as the method for claim 37, wherein said move further comprises with unfixed speed basically and moving.
39, as the method for claim 37, wherein said excitation further comprises with unfixed time interval excitation basically.
40, as the method for claim 37, wherein said move further comprises along nonlinear direction basically and moving.
CN 200480028697 2003-08-19 2004-08-10 Method and apparatus for light emitting devices based display Pending CN1864187A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US49632303P 2003-08-19 2003-08-19
US60/496,323 2003-08-19
US10/810,300 2004-03-26

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Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102096302A (en) * 2010-12-30 2011-06-15 深圳市华域无线技术有限公司 Micro light-emitting diode (LED) projector for mobile phone
CN110023834A (en) * 2016-12-01 2019-07-16 奇跃公司 Projector with scanning array light engine
CN110517625A (en) * 2019-07-16 2019-11-29 江西璇林科技有限公司 A method of optimization LED transparent screen display efficiency

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102096302A (en) * 2010-12-30 2011-06-15 深圳市华域无线技术有限公司 Micro light-emitting diode (LED) projector for mobile phone
CN110023834A (en) * 2016-12-01 2019-07-16 奇跃公司 Projector with scanning array light engine
CN110023834B (en) * 2016-12-01 2021-09-14 奇跃公司 Projector with scanning array light engine
US11599013B2 (en) 2016-12-01 2023-03-07 Magic Leap, Inc. Projector with scanning array light engine
CN110517625A (en) * 2019-07-16 2019-11-29 江西璇林科技有限公司 A method of optimization LED transparent screen display efficiency

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