WO2006076838A1 - Dispositif et procede de projection d’images d’ordinateur - Google Patents

Dispositif et procede de projection d’images d’ordinateur Download PDF

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Publication number
WO2006076838A1
WO2006076838A1 PCT/CN2005/001122 CN2005001122W WO2006076838A1 WO 2006076838 A1 WO2006076838 A1 WO 2006076838A1 CN 2005001122 W CN2005001122 W CN 2005001122W WO 2006076838 A1 WO2006076838 A1 WO 2006076838A1
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WO
WIPO (PCT)
Prior art keywords
mirror
light
visible light
data stream
primary color
Prior art date
Application number
PCT/CN2005/001122
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English (en)
Chinese (zh)
Inventor
Ning Yuan
Li Zhang
Original Assignee
Ning Yuan
Li Zhang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN 200510002597 external-priority patent/CN1665309A/zh
Application filed by Ning Yuan, Li Zhang filed Critical Ning Yuan
Publication of WO2006076838A1 publication Critical patent/WO2006076838A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]

Definitions

  • the present invention relates to a method and apparatus for projecting an image using a computer, and more particularly to a method and apparatus for fabricating a projection system for attaching a visible light video using a computer. Background technique
  • the invention provides a computer projection image device, in particular for a notebook computer, characterized by comprising: a computer CPU for providing a lumen illumination control signal, a lens group control signal, an analog to digital conversion control signal, a first in first out storage control signal , a serial-to-parallel conversion control signal, a motor synchronous rotation control signal; a circuit portion and an optical machine portion, the circuit portion includes an analog-to-digital conversion circuit for converting a computer-provided analog video data stream into a digital signal data stream; a first-in first-out memory circuit, Under the control of the CPU control signal, the digital signal data stream is converted into a video signal data stream having a temporal characteristic; the serial-to-parallel conversion circuit converts the line video signal data stream having the time characteristic into a corresponding bit according to a specific definition requirement.
  • optical machine part includes signal and power interface for receiving parallel video data stream, lumens Illuminance control, negative lens lens group control signal, motor synchronous rotation control signal; three primary color light emitting tube row, comprising a plurality of three primary color light emitting tube units for generating color visible light under excitation of parallel video data stream; concentrating mirror row, including configuration in each a condensing mirror for the light-emitting end of the three primary color light-emitting tube unit for focusing the visible light generated by each of the three primary color light-emitting tube units; a lumen light-emitting tube unit for generating visible light under the control of the lumen illumination signal; and a beam mirror for receiving Mixed color visible light formed by colored visible light and lumen visible light, mixed color visible light is transmitted through the beam mirror and parallel processed; beam splicing, slit having a predetermined width, used for mixing mixed color visible light processed by the beam mirror in parallel The beam is spliced and parallel processed and constrained to a narrow strip; a mirrored
  • the incident angle of continuous mixed color visible light generated by the parallel video data stream and the lumen control signal onto the mirror surface of the mirror prism or the mirror polygon mirror is changed at a constant speed and constant steering, and the corresponding mixed color visible light is reflected.
  • the angle is also changed at the same speed, constant steering, so that the reflected continuous mixed color visible light illuminates different positions of a certain plane, resulting in a continuous mixed color visible light spot parallel to the mirror prism or mirror polygon mirror rotation direction.
  • Time-characteristic data stream output that is, controlling the corresponding three primary color or multi-primary color light-emitting tube unit to stop emitting light, and when the mirror prism or mirror polygon mirror is rotated to the beginning of the next mirror, controlling the first-in first-out memory chip to start having time characteristics
  • the output of the data stream that is, the control of the corresponding three primary colors or multiple originals
  • the color illuminating tube unit begins to emit light, and the reflection of the continuous mixed color visible light constitutes the next visible light video image, which is composed of a continuous dynamic color visual image provided by the received analog signal data stream.
  • the color visible light video image playback unit includes: a color visible video data stream and a control signal interface mounted on the housing in the sealed housing, and three primary color or multiple primary color light emitting tube rows and convex lens rows mounted on the bracket, installed Lumen light-emitting tube unit on the bracket, beam mirror and beam gap mounted on the bracket, motor mounted on the bracket, mirror prism or mirror polygon mirror mounted on the bracket and bracket, motor and mirror prism or mirror polygon mirror in the bracket Coaxially, and includes a negative lens mounted on the casing; the motor is coaxial with the mirror prism or the mirror polygon prism, and drives the mirror prism or the mirror polygon mirror to rotate synchronously; the casing is welded or the heat-resistant adhesive substance is used to connect the brackets; The inside of the casing, except for the parts of the light-emitting device and the receiving optical device, are coated with non-reflective materials, and the casing and each bracket are made of metal or a good heat-dissipating material.
  • the beam mirror is a flat high-transmission glass, and the length thereof is consistent with the length of the three primary colors or the multi-primary color light-emitting tube rows, and the thickness is 0.5-2 mm.
  • the width is 2 - 5mm, and the temperature is high; the beam splicing is parallel with the beam mirror, the convex lens row, and the three primary color light-emitting tube rows.
  • the beam gap is a thickness of 1 - 2mm, the slit gap length and the three primary colors or multiple primary colors.
  • the length of the light-emitting tube row is the same, and the gap width of the slit is preferably 0.05 - 0.5mm.
  • the column or row of the video image is obtained by rotating the mirror prism or the mirror polygon mirror facing the mixed color visible light to generate different incident angles and reflecting the mixed color visible light; Only the projected image of the mirror length of the mirror prism or the mirror polygon is widened in one direction, even if the line or column of the video image is widened, so that the aspect ratio of the specific projected image conforms to the video image requirement.
  • the three primary color or multi-primary color light-emitting tube rows are composed of three primary color or multi-primary color light-emitting tube units arranged in one row or two rows, and the bright red, green and blue laser light-emitting tubes or the bright red, green and blue light-emitting diodes form a three primary color light-emitting tube.
  • the unit, and the same direction of illumination, leads to the corresponding signal connection; when multiple primary colors are used, the multi-primary color light tube is formed into a multi-primary color light-emitting tube unit, and the illumination direction is the same, and the corresponding signal connection is drawn; the pixel requirement of the specific definition It is related to the number of three primary colors or multi-primary color light-emitting tube units in the three primary color or multi-primary color light-emitting tube rows, that is, the higher the definition requirement, the more the number of three primary color or multi-primary color light-emitting tube units; the color generated by each of the three primary color or multi-primary color light-emitting tube units Visible light constitutes a basic pixel unit.
  • the mirror prism or the mirror polygon prism has a triangular or polygonal shape composed of a light material, and has a curved mirror surface on each of the prism faces of the mirror prism or the mirror polygon prism, so that the reflection mixed color visible light is on the illumination plane.
  • the distribution of the elements is uniform, and the surface of the curved mirror surface is mirrored to produce a high reflectance; the mirror surface is smoothly connected to the facet at the first arc and the second arc, and the third and fourth arcs are smoothly connected with the curved mirror, and the curved mirror is curved.
  • the reception and reflection of the mixed color visible light is started at its starting point, and the reception and reflection of the mixed color visible light is ended at its end point.
  • the serial-to-parallel conversion unit can be incorporated into a color visible light video image playback unit, and the serial-to-parallel conversion unit and the signal lead cloth corresponding to the three primary color or multi-primary color light-emitting tube rows are placed on a dedicated circuit board.
  • the remaining portions need to be disposed not to reflect the secondary light or to apply the unreflected light.
  • High temperature resistant coating in the computer color visible light image playing device, except for the light emitting portion and the light receiving and reflecting mechanical portion of the color visible light video image playing unit, the remaining portions need to be disposed not to reflect the secondary light or to apply the unreflected light.
  • the three primary color light emitting tube units can be replaced by multiple primary color light emitting tube units; the beam mirror and the beam light slit can be integrated; the light collecting mirror row can be replaced by a single collecting mirror having the same function; the three primary color light emitting tube rows and the collecting mirror row can be combined One body; three primary colors or multiple primary color light pipes arranged by one or two rows of three primary colors or multiple primary color luminous tubes Unit composition.
  • the invention provides a method for projecting an image by a computer, comprising the following steps: a) the computer itself generates various types of control signals and provides an analog video signal data stream;
  • the digital signal data is processed again by the first-in first-out storage unit to obtain a video signal data stream with time characteristics;
  • step b-d delaying the motor rotation synchronization control signal generated by the computer's own CPU to synchronize with the parallel video data stream;
  • the corresponding three primary color light-emitting tube units in the three primary color light-emitting tube rows generate colored visible light under the excitation of the parallel video data stream, and are respectively concentrated by the concentrating mirror; meanwhile, the lumen light-emitting tube unit generates lumen visible light, and the motor drives the mirror-side triangular prism to rotate synchronously; g) The condensing mirror focuses the colored visible light generated by each of the three primary color light-emitting tube units and illuminates the beam mirror, while the lumen of the luminous tube produces white/colorless lumen visible light that also illuminates the beam mirror, forming colored visible light and lumens before the beam mirror Mixed color visible light composed of visible light, mixed color visible light is processed in parallel through the beam mirror and supplied to the beam splicing, and the mixed color visible light is transmitted through the beam quilting again and constrained into a narrow strip, and then supplied to the mirror prism or the mirror polygon mirror.
  • the mirror surface of the mirror prism or the mirror polygon prism receives the mixed color visible light, and the light incident angle is equal to the reflection angle principle, and the mixed color visible light is reflected; during this time, the motor drives the mirror prism or the mirror polygon mirror to rotate synchronously;
  • the negative lens receives the mixed color visible light that has been specularly reflected by the mirror prism surface, and the mixed color visible light is transmitted through the negative lens and diffused into a plane in one direction to form a line of the color video image; j)
  • the incident angle of the continuous mixed color visible light generated by the parallel data stream and the lumen control signal to the mirror prism or the mirror polygon mirror is changed at a constant speed and constant steering, and the reflection angle of the corresponding mixed color visible light is also At the same speed, the constant steering changes, so that the reflected continuous mixed color visible light illuminates different positions of a certain plane, producing a line of continuous mixed color visible light spots parallel to the mirror prism or mirror polygon mirror rotation direction, A line consisting of continuous spots forms each line of a color video image to form a visible light video image;
  • the FIFO memory chip controlling the FIFO memory chip to stop the data stream output with time characteristics when the mirror prism or the mirror polygon mirror is rotated to the angle between the mirror surfaces, that is, controlling the corresponding three primary color or multi-primary color LED unit to stop emitting light, and
  • the output of the data stream with time characteristics is controlled by the first-in first-out memory chip, that is, the corresponding three primary color or multi-primary color light-emitting unit starts to emit light, and the step dj is repeated continuously.
  • the reflection of the mixed color visible light constitutes the next visible light video image, which is repeated, that is, constitutes a continuous dynamic color visual image provided by the received analog signal data stream.
  • FIG. 1 is a schematic front view showing the structure of a computer projection image device of the present invention
  • FIG. 2 is a schematic side view showing the structure of a computer projection image device of the present invention
  • FIG. 3 is a partially enlarged front view and a side view of the negative lens of FIG.
  • FIG. 4 is a circuit diagram of a RGB analog-to-digital conversion circuit of a computer projection image device of the present invention
  • FIG. 5 is a computer projection image device of the present invention
  • FIG. 6-8 is a serial-to-parallel conversion circuit of a computer projection image device of the present invention
  • FIG. 9 is a schematic diagram of an interface of a computer projection image device according to the present invention.
  • Figure 10 is a flow chart of the program of the computer projection image device of the present invention.
  • FIG. 11 is a block diagram showing the circuit of the computer projection image device of the present invention
  • 12 is a flow chart showing the operation of the computer projection image method of the present invention
  • FIG. 13 is a partial enlarged view of the mirror surface of the mirror prism of FIG. 1 and FIG. detailed description
  • FIG. 11 is a circuit block diagram of a video image projecting device in accordance with the present invention.
  • the computer E1 provides an analog RGB video signal including red (R), green (G), blue (B) signals, horizontal sync signal HSY C and vertical sync signal VSY Co
  • the computer El own CPU generates various types of control signals: analog-to-digital conversion unit control signals; I2C control signals SDA and SCL; first-in first-out memory unit control signals; serial/parallel conversion unit control signals, lens group control signals, motor rotation synchronization control signals , control signals such as lumens illuminance signals.
  • the analog-to-digital conversion unit E2 receives the analog video signal RGB from the computer E1, and converts the received analog video signal RGB into a 24-bit digital signal data stream D-RGB via the U1 chip (Fig. 4) under the control of the computer's own CPU control signal.
  • the digital signal data stream D-RGB contains 8 bits each of red (R) RA[0..7], green (G) GA[0..7j, blue (B) ⁇ [0 ⁇ 7].
  • the U2, U3, and U4 of the first-in first-out memory unit ⁇ 3 receive and temporarily store the digital signal data stream D-RGB provided by the analog-to-digital conversion unit E2, and the output clock of the first-in first-out memory unit E3 is faster than the input clock.
  • the first-in first-out storage unit E3 assigns a time characteristic to the D-RGB digital signal data stream, and converts the digital signal data stream D-RGB into a line video signal data stream H- with time characteristics.
  • RGB that is, the computer's own CPU controls the output end of the first-in first-out memory unit E3, so that the first-in first-out memory unit E3 outputs the line video signal data stream H-RGB with time characteristics in time-division according to a specific time, with time characteristics.
  • the line video signal data stream H-RGB includes red (R) DRA[0..7], green (G) DGA[0..7], blue (B) DBA[0..7] each 8 bits; the computer itself CPU T/CN2005/001122
  • the column signal data stream V-RGB is generated, and the column signal data stream V-RGB can be used as the motor rotation synchronization control signal.
  • the serial/parallel conversion unit E4 receives the time-characterized line video signal data stream H-RGB of the first-in first-out memory unit E3, and controls each of the line video signal data streams H-RGB having temporal characteristics under the control of the computer's own CPU.
  • the video signal data stream H-RGB is converted into a parallel video data stream of a specific resolution line pixel required number of bits.
  • the unit E4 replaces the line video signal data stream H-RGB with time characteristics into 1024-bit parallel video data streams of red, green and blue, and the parallel video data stream contains red (R) QR[0..7][0. .127], Green (G) QG[0..7][0..127], Blue(B) QB[0..7][0..127] o
  • the color visible light video playback unit CLVIP E5 plays the color visible light video image, and the color visible light video playback unit CLVIP E5 receives the parallel video data stream, the motor rotation synchronization control signal, the lumen illumination signal of the lumen unit, the lens group control signal, etc. .
  • Figures 1 and 2 show the front view and side view of the color visible video video playback unit CLVIP E5.
  • the sealed housing 1-9 of the color visible light video playback unit E5 includes: a color visible video data stream and a control signal interface 1-1 mounted on the housing 1-9, and three primary colors or multiple primary colors mounted on the bracket 191.
  • the light-emitting tube row 1-2 and the convex lens row 1-3, the lumen light-emitting tube unit 1-10 mounted on the bracket 192, the beam mirror 1-4 mounted on the bracket 193, and the beam nip 1-5 are mounted on the bracket 194.
  • the upper motor 1-6, the mirror prism or the mirror polygon prism 1-8 mounted on the bracket 194 and the bracket 195, the motor 1-6 and the mirror prism or the mirror polygon mirror 1-8 are coaxial at the bracket 194, and include the machine mounted Negative lens 1-7 on shell 1-9; motor 1-6 and mirrored prism
  • the mirror polygon mirror 1-8 is coaxial, and drives the mirror prism or the mirror polygon mirror 1-8 to rotate synchronously;
  • the housing 1-9 is welded or connected with each bracket 191 - 195 using a heat resistant adhesive material; inside the casing 1-9, Except for the light-emitting device and the receiving optical device portion, the other portions are coated with non-reflective materials, and the casing 1-9 and each of the brackets 191-195 are composed of metal or a heat-dissipating material.
  • the negative lens 1-7 is also called a diverging lens or a negative meniscus lens, so that the mixed color visible light is transmitted through the negative lens 1-7 and the color visible light is mixed in one direction, which is the video image playing window of the video image projection device of the present invention.
  • the lens group can be composed of multiple negative lenses and other lenses according to the specific image focusing degree requirements.
  • the mirror prism or the mirror polygon prism 1-8 is a light-weight material composed of a triangular or polygonal shape, coaxial with the motor 1-6, and each of the triangular or polygonal edges has a curved mirror surface, and the curved mirror surface is mirror-finished. Processing, the arc mirror can produce a high reflectivity, at the beginning of the arc mirror, the reflected mixed color visible light, at the end of the curved mirror, stop reflecting the mixed color visible light.
  • the beam mirror 1-4 is a flat high-transmission glass, the length of which is consistent with the length of the three primary colors or the multi-primary color light-emitting tube row 1-2, the thickness is 0.5 - 2 mm, and the width is 2 - 5 mm, and the beam mirror 1 is required. 4 high temperature resistance.
  • the three primary color or multi-primary color light-emitting tube row 3 - 2 is composed of three primary color or multi-primary color light-emitting tube units arranged in one row or two rows, and the bright red, green and blue laser light-emitting tubes or the bright red, green and blue light-emitting diodes form a three primary color light-emitting tube unit. And the light-emitting direction is the same; according to the specific number of lines of the video image, 128 - 4096, or even more, three primary color light-emitting tube units are arranged into one row or two rows to form three primary color light-emitting tube rows, and the three primary color light-emitting tube units are led out Corresponding to the signal pin.
  • the multi-primary color light-emitting tube is formed into a multi-primary color light-emitting tube unit, and the light-emitting side To the same, the corresponding signal pins of each multi-primary color light-emitting tube unit are extracted; 128-4096 or even more multi-primary color light-emitting tube units can be parallelized into one row or two rows according to the specific number of video images, forming a plurality of Primary color light tube row.
  • the pixel definition of the specific definition is related to the number of three primary colors or multi-primary color light-emitting tube units in the three primary color or multi-primary color light-emitting tube rows, that is, the higher the definition requirement, the greater the number of three primary color or multi-primary color light-emitting tube units; each of the three primary colors or more
  • the colored visible light generated by the primary color light emitting tube unit constitutes a basic pixel unit.
  • the concentrating mirror row 1-3 is provided with a convex lens, that is, a condensing mirror, in the light-emitting end of each of the three primary color or multi-primary color light-emitting tube rows, that is, a condensing mirror to form a concentrating mirror row 1-3, that is, there are 128-4096 concentrating mirrors and three primary colors or multiple primary colors.
  • the three primary colors or the multiple primary color light-emitting tube units correspond to the light-emitting tube rows.
  • the lumen tube unit 1-10 is formed by a plurality of white/colorless high-brightness laser light-emitting tube groups or white/colorless high-brightness light-emitting diode groups, respectively lighting one or more lumens according to lumen illumination requirements, generating lumens Visible light.
  • Fig. 3 is an enlarged front view and a side view of the negative lens 1-7 of Figs. 1 and 2.
  • Figure 13 is a partial enlarged view of the mirrored prisms 1-8 of Figures 1 and 2, the role of the curved mirrors is to evenly distribute the pixels of the reflected mixed color visible light on the illumination plane, on the facets 181 of the mirrored prisms 1-8.
  • the radian mirror begins to receive and reflect the mixed color visible light at its starting point 182, ends receiving and reflects the mixed color visible light at its end point 186, and the curved mirror surface is smoothly connected to the facet 181 at the first arc 182 and the second arc 186.
  • the third curvature 183 and the fourth curvature 185 are smoothly connected to the orphan mirror 184.
  • All of the power, ground, and common signal lines of the computer projection image device of the present invention are by default present.
  • the analog-to-digital conversion unit E2 receives the analog video signal RGB from the computer, and converts the received analog video signal RGB into a 24-bit digital signal data stream D-RGB via the U1 chip (FIG. 4) under the control of the computer's own CPU control signal.
  • the digital signal data stream D-RGB is temporarily stored in the first-in first-out FIFO memory chip U2, U3 U4 (Fig.
  • the line video signal data stream H-RGB with time characteristics includes 8 bits each of red (DRA0-DRA7), green (DGA0-DGA7), and blue (CBA0-DBA7).
  • the CPU of the computer itself gives the column signal data stream V-RGB, that is, the motor synchronous rotation control signal, and controls the motor 1-6 rotation speed to be synchronized with the parallel video data stream.
  • the line video signal data stream H-RGB includes 8 bits of red, green and blue, that is, 24 bits, and each line of the video signal stream H-RGB is performed by the SHIFH-SHIFT6 chip (Fig. 6, Fig. 7, Fig. 8).
  • the serial-to-parallel conversion process the number of bits obtained by the serial-to-parallel conversion process is 128 to 2048 bits or more according to the specific definition line pixel requirement. In this example, the number of bits obtained by the serial-to-parallel conversion process is 1024 bits of red, green, Blue parallel data stream. Since the serial-to-parallel conversion process requires a certain time X, it is necessary for the computer's own CPU to control the motor synchronous rotation control signal to delay the same time X to synchronize with the parallel video data stream.
  • the lumen light-emitting tube unit 1-10 While the three primary color light-emitting tube rows 1-2 are illuminated by the excitation of the parallel video data stream, the lumen light-emitting tube unit 1-10 generates lumen visible light under the control of the computer's own CPU. Since a convex lens, that is, a condensing mirror, is disposed at the light-emitting end of each of the three primary color light-emitting tube units 1-2, that is, 1024 condensing mirrors are in one-to-one correspondence with the three primary color light-emitting tube units; 1-4 is parallel with the concentrating mirror row 1-3 and the three primary color light emitting tube rows 1-2; the condensing mirror focuses the color visible light generated by each of the three primary color light emitting tube rows 1-2 to generate color, see the light row and illuminate the beam Mirrors 1-4, while the lumens of the luminous tube unit 1-10 produce white/colorless lumens, and the visible light also illuminates the beam mirrors 1-4,
  • Visible light mixed color visible light is transmitted through the beam mirrors 1-4 in parallel and provided to the beam nips 1-5.
  • the beam nip 1-5 is parallel to the beam mirror 1-4, and the mixed color visible light is transmitted through the beam nip 1-5, so that the mixed color visible light is again parallel and constrained to a narrow strip, and then supplied to the mirror prism 1-8.
  • Radial mirror this example is a mirror prism.
  • the mirror prisms 1-8 are parallel to the positions of the beam nips 1-5, and the curved mirrors of the mirror prisms 1-8 face the received mixed color visible light according to the principle that the light incident angle is equal to the angle of reflection, and the reflected mixed color visible light is irradiated.
  • Negative lens 1-7 negative lens 1-7 produces light scattering in the same direction as the negative lens 1-7 in the direction of the received mixed color visible light, so that the mixed color visible light is laterally widened and projected onto a plane, and the width ratio is widened. It is determined by the specific video image aspect ratio requirements.
  • the curvature mirror angle of the mirror prisms 1-8 is changed, that is, the mixed color visible light incident angle is changed, that is, the reflection angle of the mixed color visible light is changed, when the mirror prisms 1-8 are in the column signal data.
  • the mixed color visible light is continuously generated under the action of the line video signal data stream H-RGB signal with time characteristics and the lumen illumination control signal generated by the computer CPU, mixing
  • the incident angle of the visible light irradiated to the curved mirror of the mirror prism 1-8 is continuously changed at a constant speed, and at the same time, since the three primary color light emitting tube unit and the lumen light emitting unit continuously emit mixed color visible light, the curved mirror surface of the mirror triangular prism 1-8 is generated.
  • the continuous mixed color visible light incident angle is continuously changed, and the continuous mixed color visible light reflection angle is also continuously changed, on a plane irradiated by the reflected light of continuous mixed color visible light.
  • Illuminating and when the mirror prism or the mirror polygon mirror is rotated to the beginning of the next mirror, controlling the output of the data stream with the time characteristic of the first-in first-out memory chip, that is, controlling the three primary color or multi-primary color light-emitting tube unit corresponding to the parallel video data stream Beginning to illuminate, the reflected light produced by the continuous mixing of color visible light forms the next visible light video image, which is repeated, ie, produces a continuous dynamic color visual image provided by the received analog RGB video signal.
  • the lens can be set to a lens group composed of a plurality of negative lenses and other lenses according to the definition, and the negative lens 1-7 forms a unidirectional diffusion for the mixed color visible light, and the negative lens 1-7 or the divergent lens is also called a negative meniscus.
  • Lens, the negative lens curvature conforms to the mirror prism or the mirror polygon curved mirror, and the reflected mixed color visible light forms the visible color video image.
  • the mixed color visible light constitutes a row or column of the video image, and the column or row of the video image is obtained by rotating the mirror prism or the mirror polygon mirror facing the mixed color visible light to generate different incident angles and reflecting the mixed color visible light; the negative lens makes only the mirror prism or The projected image of the mirror length of the mirror polygon is widened in one direction, even if the line or column of the video image is widened, so that the aspect ratio of the specific projected image conforms to the video image requirement.
  • the analog RGB video signal data stream is converted into a 24-bit digital signal data stream D-RGB by a circuit and an interface of the analog RGB video signal data stream provided by the receiving computer itself, that is, 8 bits of red, green and blue; digital video signal
  • the data stream D-RGB is controlled by the computer's own CPU to process the line video signal data stream H-RGB and the column video signal data stream V-RGB with time characteristics again, with time characteristics.
  • the line video signal data stream H-RGB includes 8 bits each of red, green and blue, and the column video signal data stream V-RGB can be used as a motor synchronous rotation control signal for driving the mirror prism or the mirror polygon mirror.
  • the blue 128-bit signal, the 128 red, green and blue light-emitting tubes are fixedly arranged in one row or two rows as a three-primary color light-emitting tube unit, and the corresponding three primary color light-emitting tube units are respectively illuminated under the action of the parallel video data stream to generate a row.
  • each bit is also serially converted into 128-bit processing, that is, the green 1024-bit signal and the blue 1024-bit signal are obtained, and the 1024 LEDs of the three primary color lasers are highlighted or the three primary colors are highlighted 1024.
  • the red, green and blue light-emitting tubes are three primary color light-emitting tube units, and the red, green and blue light-emitting tubes have the same illumination direction, and 1024 light-emitting tube units are fixedly arranged in one row or two rows, and each of the three primary color light-emitting tube units Producing colored visible light parallel light rays to form a color visible light line under the control of parallel video data stream, when the column video signal data stream V-RGB drives the mirror prism or the mirror polygon mirror to rotate 768 angles synchronously, that is, 1024 rows x 768 columns of image images; When more bits are converted and converted for each of the 8 bits of the line video signal data stream H-RGB red, green, and blue with time characteristics, such as 256 bits or more, 2048 or more parallels are obtained.
  • Color visible light correspondingly improve the definition, will highlight the three primary color laser 2048 or even more luminous tubes or highlight the three primary colors 2048 or more Light-emitting diode
  • the red, green and blue light-emitting tubes are three primary color light-emitting tube units, and the red, green and blue light-emitting tubes have the same illumination direction
  • 2048 or more three primary color light-emitting tube units are fixedly arranged in one row or two rows, and each of the three primary colors
  • the LED unit generates color parallel rays under the control of the parallel video data stream.
  • V-RGB drives the mirror prism or the mirror polygon mirror sync column rotates 768 or even more angles, that is, 2048 or more rows are formed. 768 columns or even more columns of image images.
  • the line video signal data stream with time characteristics H-RGB corresponds to the three primary color light-emitting tube rows with three primary color first-stage tube units 128 - 1024, the column video signal data stream V-RGB control rotation 120 - 2048 angles Narrative; when the line video signal data stream H-RGB with time characteristics, generate parallel video data stream to provide signal level to highlight three primary color laser 128 to 1024 LED tubes or highlight three primary colors 128 - 1024 LEDs, composed of three primary colors
  • Each of the three primary color light-emitting tube units in the light-emitting tube row respectively emits light to generate color visible light; and the convex lens or the condensing mirror is in one-to-one correspondence with the three primary color light-emitting tube units, and the color visible light emitted by each of the three primary color light-emitting tube units is focused one by one to generate a color visible light row.
  • the focus of the focus is the beam mirror, and the computer's own CPU controls to generate corresponding control signals, so that the lumens of the white high-brightness LED group or the white high-brightness laser tube are illuminated, and the generated visible light is irradiated to the beam.
  • Mirror colored visible light in front of the beam mirror The visible light forms a mixed color visible light, and the mixed color visible light is processed in parallel by the beam mirror to provide a visor, and the mixed color visible light is again processed in parallel by the beam nip and is constrained into a narrow strip, and the CPU control generates a corresponding control signal.
  • the video signal data stream V-RGB is a light converging reflection unit composed of a mirror prism or a mirror polygon mirror.
  • the negative lens is also called a divergent lens, also called a negative meniscus lens, a negative lens lens group and a mixed color visible light for controlling output. Width, adjust the video image playback unit composed of the lens unit, and so on. After the above processing, the computer rhinoceros image is projected onto the desired illumination and enlarged on the screen to complete the video image playback process.
  • the invention when the video signal data stream V-RGB rotates 400-1024 angle or even At more angles, when the three primary color light-emitting tube rows include 128-768 or even more three primary color light-emitting tubes, the number of three primary color light-emitting tube groups in the light-emitting tube row can be reduced, and continuous video images can be played, and time characteristics are obtained.
  • the line video signal data stream H-RGB and the column video signal data stream V-RGB and the control signal provided by the computer CPU need to be changed, but the above basic principles are unchanged.
  • step S1 the computer itself generates various types of control signals: lumen illumination control signal, lens group control signal, analog to digital conversion control signal, first in first out storage control signal, serial to parallel conversion control signal, motor synchronous rotation control signal; Providing an analog video signal data stream RGB by itself;
  • step S2 the analog video signal data stream RGB is converted into a 24-bit digital signal data stream, and the digital signal data stream includes 8-bit data signals of red, green, and blue; in step S3, under the control of the CPU, the digital signal data stream
  • the first-in first-out memory chip is processed again to obtain a line video signal data stream and a column signal data stream with time characteristics.
  • the line video signal data stream with time characteristics includes 8 bits of red, green and blue, and the column signal data stream can be used as
  • the motor synchronous rotation control signal that drives the mirror prism or the mirror polygon mirror to rotate synchronously, instead of the motor synchronous rotation control signal generated by the computer CPU;
  • step S4 each of the 8 bits of red, green and blue in the line video signal data stream with time characteristics is serial-to-parallel converted to obtain 64-bit to 2048-bit or even more parallel video data streams, and serial-to-parallel conversion
  • the number of parallel video data stream bits is determined according to the specific pixel position number of the pixel;
  • Step S5 is performed simultaneously with steps S2-S4.
  • step S5 the motor rotation synchronization control signal generated by the computer's own CPU is delayed to synchronize with the parallel video data stream;
  • step S6 the obtained parallel video signal data stream, lumen illuminance control signal, motor synchronous rotation control signal and the like are connected to the color visible light video through the interface.
  • Steps S7, S8 and S9 occur simultaneously.
  • step S7 the corresponding three primary color light-emitting tube units in the three primary color light-emitting tube rows of the color visible light video image playing unit generate colored visible light under the excitation of the parallel video data stream, and are respectively collected by the condensing mirror to generate Color visible light row;
  • step S8 the lumen light emitting tube unit generates lumen visible light;
  • step S9 the motor drives the mirror prism to rotate synchronously;
  • step S10 the condensing mirror focuses the color visible light generated by each of the three primary color light-emitting tube units to generate a colored visible light ray and irradiates the beam mirror, while the lumen of the luminous tube produces white/colorless lumen visible light and also illuminates the beam mirror.
  • a mixed color visible light composed of a color visible light row and a lumen visible light is formed in front of the light microscope, and the mixed color visible light is processed in parallel through the beam mirror and supplied to the beam splicing, and the mixed color visible light is again processed in parallel by the beam nip and is constrained into a narrow strip.
  • the curved mirror surface is provided to the mirror prism or the mirror polygon mirror;
  • step S11 the curved mirror of the mirror prism or the mirror polygon receives the mixed color visible light, and the incident angle is equal to the reflection angle principle, and the mirror reflection reflects the mixed color visible light; during this time, the motor drives the mirror prism or the mirror polygon mirror to rotate synchronously;
  • Step S12 the negative lens Receiving mixed color visible light that has been specularly reflected by the mirror prism, and the mixed color visible light is transmitted through a negative lens and diffused into a plane in one direction to form one line of the color video image; rotating the mirror prism or the mirror polygon mirror, that is, changing the mixed color visible light irradiation To the incident angle of the curved mirror surface, the next reflection mixed color visible light is formed to form the next line of the color video image; when the three primary color light emitting tube row and the lumen light emitting unit continuously generate mixed color visible light, the mirror prism or the mirror polygon mirror mirror rotates at different angles simultaneously , reflecting a color image composed of mixed color visible light parallel to each other in the same plane;
  • a partial program flow chart of a computer color visible light image projection device the computer starts to start the computer color visible light image projection device, and firstly, the computer itself CPU initializes and configures the computer color visible light image projection device circuit; after the initialization setting is completed Detecting whether the analog video signal input terminal has an input analog video signal RGB; if an analog video signal RGB is input, the computer itself generates various control signals, such as an analog-to-digital conversion unit control signal, a FIFO input/output control signal, a synchronization control signal, Control signals such as lumen illuminance control signal, I2C signal, motor control synchronization signal; analog-to-digital conversion unit converts raw digital video signal data stream, computer own CPU generates FIFO control output control signal at any time, so that FIFO is segmented according to specific time and time division Outputting a digital video data stream having a time characteristic; the microprocessor controls the serial-to-parallel conversion chip, outputs a parallel video data stream, and simultaneously generate
  • the main feature of the present invention is to use an analog-to-digital conversion unit to receive a video signal provided by the computer itself to the analog-to-digital conversion unit, and process the video signal into parallel video data through an analog-to-digital conversion chip, a first-in first-out memory chip, and a serial-to-parallel conversion chip.
  • the color visible light video image playing unit is supplied, and the parallel video data is converted into color visible light through the three primary color light emitting tube rows, and the color visible light row is generated by the condensing mirror, while the lumen light emitting unit generates lumen visible light, the colored visible light row and the lumen visible light form mixed color visible light,
  • the beam mirror and the beam gap are processed in parallel and constrained into narrow strips, while the mirror prism or mirror polygon mirror rotates at a constant rotation speed and a constant direction, continuously changing the incident angle of the mirror mirror of the mirror prism or the mirror polygon mirror, and the mirror specular reflection mixed color visible light Irradiating to the negative lens, the negative lens diffuses the mixed color visible light in one direction, and generates a dynamic color visible light video image on the plane illuminated by the mixed color visible light passing through the negative lens; the main feature is that the original function of the computer is not changed. , adding part of the circuit and the color visible light video image playing unit and the computer, so that the computer has the function of displaying the image
  • the invention describes a method for making a computer with a projection function and provides a method for manufacturing the corresponding device, so that the playback image is not limited by the size of the computer screen, and the power consumption is small, and the time for playing the projection by the computer's own battery can be maintained for 1 - 2 hours. , easy to carry and other requirements.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Mechanical Optical Scanning Systems (AREA)

Abstract

Cette invention concerne un dispositif de projection d’images d’ordinateur constitué d’une unité centrale qui contrôle les signaux, d’un circuit et d’un moteur lumineux. Le circuit est constitué d’un circuit de conversion A/N, d’un circuit de mémoire « Premier entré premier sorti » qui convertit les flux de signaux numériques en flux de signaux vidéo avec caractère temporel et d’un circuit de conversion série/parallèle. Le moteur lumineux comprend une interface de réception des flux vidéo parallèles et des signaux de contrôle, trois lignes de diodes électroluminescentes aux couleurs primaires pour la production de lumière colorée visible, des lignes de lentilles convergentes pour faire converger la lumière colorée visible, un élément de diode luminescente, une lentille pour faisceau lumineux, une fente pour faisceau lumineux, un prisme triple à surface spéculaire ou un multiprisme à surface spéculaire qui reçoit et renvoie la lumière colorée visible mélangée et une lentille négative qui reçoit la diffusion unidirectionnelle de lumière colorée visible mélangée et la projette sur l’écran, de sorte que les flux de signaux analogiques reçus produisent une image colorée dynamique visible et que l'ordinateur diffuse des images vidéo colorées visibles haute définition sur l’écran pour de nombreuses personnes. La présente invention se réfère également au procédé de projection d’images par ordinateur.
PCT/CN2005/001122 2005-01-24 2005-07-26 Dispositif et procede de projection d’images d’ordinateur WO2006076838A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200510002597.4 2005-01-24
CN 200510002597 CN1665309A (zh) 2004-03-01 2005-01-24 笔记本计算机投影图像的方法及其装置

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WO2006076838A1 true WO2006076838A1 (fr) 2006-07-27

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1356841A (zh) * 2000-11-29 2002-07-03 齐伯瑙特有限公司 电话和个人数字助理的数字投影系统
CN1417636A (zh) * 2001-11-06 2003-05-14 三星电子株式会社 照明系统和采用该系统的投影系统
WO2003079678A1 (fr) * 2002-03-13 2003-09-25 Denmeade Timothy J Source mediatique numerique a microprocesseur integre, dispositif de projection d'image et composants audio se presentant sous forme de systeme autonome

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1356841A (zh) * 2000-11-29 2002-07-03 齐伯瑙特有限公司 电话和个人数字助理的数字投影系统
CN1417636A (zh) * 2001-11-06 2003-05-14 三星电子株式会社 照明系统和采用该系统的投影系统
WO2003079678A1 (fr) * 2002-03-13 2003-09-25 Denmeade Timothy J Source mediatique numerique a microprocesseur integre, dispositif de projection d'image et composants audio se presentant sous forme de systeme autonome

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