WO2015161810A1 - 光源系统、投影系统及方法 - Google Patents
光源系统、投影系统及方法 Download PDFInfo
- Publication number
- WO2015161810A1 WO2015161810A1 PCT/CN2015/077247 CN2015077247W WO2015161810A1 WO 2015161810 A1 WO2015161810 A1 WO 2015161810A1 CN 2015077247 W CN2015077247 W CN 2015077247W WO 2015161810 A1 WO2015161810 A1 WO 2015161810A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- light source
- color
- source system
- wavelength
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
- F21V9/45—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity by adjustment of photoluminescent elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
- G02B26/008—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
-
- 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]
-
- 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]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
- H04N9/3114—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources by using a sequential colour filter producing one colour at a time
Definitions
- the present invention relates to the field of optical device technologies, and in particular, to a light source system, a projection system, and a method.
- DLP Digital Light Procession
- Figure 1a is a prior art monolithic DMD projection system, as shown in Figure 1, the system includes: an excitation source 100 , collecting lens 101, rotating color wheel 102, square rod 103, optical relay system 104, DMD chip 105, TIR prism 106, projection lens 107 .
- the light source 100 is excited by a semiconductor laser and is focused by a collecting lens 101 onto a rotating color wheel 102.
- the rotating color wheel 102 is coated with phosphor materials of different color separation segments.
- Figure 1b The front view of the rotating color wheel of the color separation section, as shown in FIG. 2, after the color wheel 102 is rotated, the red, green, and blue primary colors of the time sequence are formed, and after the square rod 103 is evenly lighted, the optical relay is performed.
- System 104 It is incident on the TIR prism 106, reflected onto the DMD chip 105 for modulation, and finally outputted through the projection lens 107.
- red, green, and blue primary colors are incident on the DMD in sequence. Modulation is performed, and the obtained monochromatic light image is mixed by the human eye visual persistence effect to form a color image.
- the system uses a laser as an excitation light source, and has the advantages of small optical expansion and high light efficiency.
- a method of exciting different color segments on a color wheel to form red, green, and blue primary colors by using a semiconductor laser is employed.
- the conversion technique of using the semiconductor laser to excite the phosphor in the color wheel since the conversion efficiency of the red phosphor is low, there are still defects in the brightness and color gamut of the output image, thereby reducing the light efficiency and reliability of the system.
- the invention provides a light source system, a projection system and a method, which can improve the light efficiency and color saturation of the system based on the improvement of the red light efficiency.
- the present invention provides a light source system comprising:
- a light source device for providing at least one set of laser light sources that emit excitation light
- Light-emitting device for Receiving the excitation light, converting the excitation light into a laser light, and the light exiting device comprises at least two different wavelength conversion materials, wherein the laser light of the at least one wavelength conversion material is a composite light;
- Optical splitting device for Dividing the composite light into a first wavelength light propagating along a first optical channel and a second wavelength light propagating along a second optical channel, wherein the first wavelength light and the second wavelength light have different spectral coverage ranges, and the received light
- the combined light of the laser is white light
- a first light modulating device configured to modulate light propagating the first optical channel
- a second light modulating device configured to modulate light propagating through the second optical channel.
- the laser light receiving device further comprises primary color light
- the light combining and combining device propagates the primary color light along the first channel or the second channel.
- the light exiting device is a color wheel, and the at least two different wavelength converting materials are segmented on the color wheel.
- the conversion material is a wavelength conversion material that absorbs excitation light emitted from the light source device and emits at least two different composite lights.
- the wavelength conversion material capable of emitting at least two different composite lights after absorbing the excitation light emitted by the light source device is a cyan phosphor and a yellow phosphor, or a magenta phosphor and a cyan phosphor, or a magenta Phosphor and yellow phosphor.
- the light emitting device further comprises: A segmented filter wheel with a color wheel coaxially rotating, the segmented filter wheel having at least two filter zones of different colors.
- the segmented filter wheel comprises a segmented filter wheel having a blue, yellow, green or blue, yellow, red or blue, first yellow, second yellow filter zone.
- the light source device comprises: two sets of laser light sources.
- the light exiting device comprises Two color wheels corresponding to the laser light source, each color wheel having at least one wavelength converting material, and the two color wheels having different wavelength converting materials.
- one of the two color wheels has a blue or cyan filter zone and the other color wheel has a yellow and/or green filter zone.
- the light-emitting device further comprises: at least one segmented filter wheel rotating coaxially with the color wheel, the segmented filter wheel having at least one filter region of a different color.
- the segmented filter wheel has a yellow and green filter zone.
- the two sets of excitation light sources are alternately turned on and off.
- the two sets of excitation light sources partially overlap the on time of one set of light sources and the open time of the other set of light sources.
- the two sets of laser sources are adjusted using pulse width modulation.
- the light source system further includes a first filter and / Or a second filter
- the first filter is disposed on an optical path between the spectroscopic unit and the first light modulating device for filtering light propagating along the first channel
- the second filter is disposed on an optical path between the spectroscopic unit and the second light modulating device for filtering light propagating along the second channel.
- the invention simultaneously provides a
- the projection system includes: the light source system and the projection lens as described above; wherein the projection lens receives the combined light of the light source system to form a complete projected image.
- the present invention also provides a projection method, including the steps of:
- Receiving the excitation light, converting the excitation light into a laser light, and the light exiting device comprises at least two different wavelength conversion materials, wherein the laser light of the at least one wavelength conversion material is a composite light;
- the combined light of the laser is white light
- Modulating light propagating the first optical channel and modulating light propagating the second optical channel are modulating light propagating the first optical channel and modulating light propagating the second optical channel.
- a single-chip DMD is used to simultaneously process three primary colors and a three-chip DMD.
- Each DMD The method of processing single primary color light, red, green, and blue primary colors are sequentially incident on the DMD in time series. Modulation on top reduces the brightness of the output image and reduces the gamut range due to the limitations of red phosphor efficiency.
- the invention generates a composite light comprising two primary colors by using a laser to excite a more efficient phosphor, such as yellow light containing red light and green light, and splitting the two primary colors into two by spectroscopic means.
- Processing on DMD assigning three primary colors to two DMDs in a certain way The processing is performed to adjust the ratio between the three primary colors to achieve multi-color emission of the primary color and the intermediate color, so that the color gamut that the light source can modulate is greatly increased, thereby improving the light efficiency of the system, increasing the color gamut range, and reducing the cost. .
- 1 a is a schematic structural view of a monolithic DMD projection system in the prior art
- Figure 1b is a front elevational view of a rotating color wheel of a color separation segment in the prior art
- FIG. 2 is a schematic structural diagram of a light source system according to an embodiment of the present invention.
- FIG. 3 is a schematic structural view of a projection system in a preferred embodiment of the present invention.
- Figure 4 is a front elevational view of the light-emitting device of Figure 3;
- Figure 5 is a timing diagram of blue and yellow light emitted from the light-emitting device
- Figure 6 is a distribution diagram of green and red light after being processed by a spectroscopic film
- Figure 7a is a timing diagram of the first DMD reflected light
- Figure 7b is a timing diagram of the second DMD reflected light
- Figure 8 is a front elevational view of the improved light exiting device based on the projection system of Figure 3;
- Figure 9 is a timing diagram of the first DMD reflected light
- Figure 10 is a timing diagram of the second DMD reflected light
- Figure 11 is a front elevational view showing another improved light-emitting device based on the projection system of Figure 3;
- Figure 12a is a timing diagram of the first DMD reflected light
- Figure 12b is a timing diagram of the second DMD reflected light
- Figure 13a is a schematic diagram of the color gamut
- Figure 13b is a schematic diagram of the color gamut
- Figure 14 is a schematic structural view of a projection system in a preferred embodiment of the present invention.
- Figure 15 is a schematic diagram of the color gamut
- FIG. 16 is a schematic structural diagram of a projection system according to a preferred embodiment of the present invention.
- Figure 17 is a front elevational view of the light-emitting device
- Figure 18 is a timing diagram of the first DMD and the second DMD inverted light when the light source device is alternately turned on;
- Figure 19 is a front elevational view of the improved light exiting device based on the projection system of Figure 16;
- Figure 20 is a timing diagram of the first DMD and the second DMD inverted color light when the light source device is alternately turned on;
- Figure 21 is a timing diagram of the first DMD and the second DMD inverted color when the light source device is turned on;
- Figure 22 shows the first DMD and the second DMD when the light source device is modulated by pulse width modulation. Timing diagram of inverted color light
- Figure 23 is a front elevational view of the improved light exiting device based on the projection system of Figure 16;
- Figure 24 is a timing diagram of the first DMD and the second DMD inverted color light
- Figure 25 is a flow chart showing a projection method in a preferred embodiment of the present invention.
- a single-chip DMD is used to simultaneously process three primary colors and a three-chip DMD.
- Each DMD In the method of processing single primary color light, the red, green and blue primary colors are sequentially incident on the DMD for modulation, and the brightness of the output image is reduced and the color gamut range is reduced due to the limitation of the efficiency of the red phosphor.
- the invention generates a fluorescence containing two primary colors by using a laser to excite a relatively high-efficiency phosphor, such as yellow light divided into red light and green light, and splits the two primary colors into two DMDs by splitting. Processing on the three primary colors assigned to two DMDs in a certain way The processing is performed to adjust the ratio between the three primary colors to achieve multi-color emission of the primary color and the intermediate color, so that the color gamut that the light source can modulate is greatly increased, thereby improving the light efficiency of the system, increasing the color gamut range, and reducing the cost. .
- Embodiment 1 is a diagrammatic representation of Embodiment 1:
- FIG. 2 is a schematic structural diagram of a light source system according to an embodiment of the present invention.
- the light source system includes: a light source device. 201, a light-emitting device 202, a beam splitting device 203, a first light modulating device 204, and a second light modulating device 205.
- the light source device 201 a laser light source for providing at least one set of outgoing excitation light; light exiting means 202 For receiving excitation light, converting the excitation light into a laser light and emitting the light, the light-emitting device comprises at least two different wavelength conversion materials, the laser light of the at least one wavelength conversion material is a composite light; and the optical combining device 203
- the utility model is configured to divide the composite light into a first wavelength light propagating along the first optical channel and a second wavelength light propagating along the second optical channel, wherein the first wavelength light and the second wavelength light have different spectral coverage ranges, and are combined by the laser light For white light.
- Composite light refers to light containing any two of the three primary colors of light.
- the primary color light includes red light, green light, and blue light.
- the monochromatic light may be a primary color light.
- First light modulating device 204 is configured to modulate light propagating in the first optical channel; and second light modulating device 205 is configured to modulate light propagating in the second optical channel.
- the laser further includes a primary color light, and the optical splitting device 203 The primary light is propagated along the first or second channel.
- the light exiting device 202 For a color wheel, at least two different wavelength converting materials are segmented on the color wheel. Wherein, at least two different wavelength converting materials are wavelength converting materials that absorb at least two different composite lights after absorbing the excitation light emitted by the light source device. Absorbing light source device 202
- the wavelength conversion material that can emit at least two different composite lights after the excitation light is emitted is a cyan phosphor and a yellow phosphor, or a magenta phosphor and a cyan phosphor, or a magenta phosphor and a yellow phosphor.
- the segmented color wheel can be a two-stage color wheel that includes two different wavelength converting materials.
- a segmented color wheel includes a two-stage color wheel having yellow and blue or yellow and cyan colors.
- the segmented color wheel can also be a three-segment color wheel that includes three different wavelength converting materials.
- a segmented color wheel includes a three-segment color wheel having a cyan, green, and yellow filter zone.
- the wavelength conversion material capable of emitting at least two different composite lights after absorbing the excitation light emitted from the light source device is a cyan phosphor and a yellow phosphor;
- the wavelength conversion materials that emit at least two different composite lights after absorbing the excitation light from the light source device are cyan phosphors and yellow phosphors, magenta phosphors and cyan phosphors, or magenta phosphors and yellows. Phosphor.
- the yellow light can separate the red light and the green light
- the cyan light can separate the yellow light and the blue light, so the different wavelength converting materials in the two-stage color wheel and the three-stage color wheel are not limited to the above.
- the filter regions of different colors are all within the scope of the present invention as long as the color of the three primary colors can be ensured.
- the light exiting device 202 of the present invention also included is a segmented filter wheel that rotates coaxially with the color wheel, the segmented filter wheel having at least two different colored filter zones.
- the segmented filter wheel comprises a segmented filter wheel having a blue, yellow, green or blue, yellow, red or blue, first yellow, second yellow filter zone for The emitted light of the segmented color wheel is filtered to obtain the desired three primary colors of light including red, green, and blue, thereby improving light efficiency and brightness.
- the light source device 201 comprises: two sets of laser light sources.
- Light exit device 202 The invention comprises two color wheels corresponding to the laser light source, each color wheel has at least one wavelength conversion material, and the two color wheels have different wavelength conversion materials.
- one of the two color wheels has a blue filter zone and the other color wheel has a yellow filter zone; or one of the two color wheels has a cyan filter zone and the other color wheel has A yellow filter zone; or one of the two color wheels has a blue filter zone and the other color wheel is a filter zone with yellow and green.
- Light exit device 202 further includes at least one segmented filter wheel that rotates coaxially with the color wheel, the segmented filter wheel having at least one filter region of a different color.
- the segmented filter wheel is preferably a filter zone with yellow and green.
- the two sets of excitation light sources are alternately turned on and off, thereby improving the utilization of the first light adjustment device and the second light adjustment device, further improving the brightness of the system; or one of two sets of excitation light sources
- the opening time of the group light source partially overlaps with the opening time of the other group of light sources; or the two groups of laser light sources are adjusted by pulse width modulation, thereby increasing the switching frequency of the color, thereby effectively solving the color separation phenomenon in the projection display.
- the light source system further includes a first filter and/or a second filter, and the first filter is disposed on Spectrophotosynthetic device and An optical path between the light modulating means for filtering the light propagating along the first channel, the second filter being disposed on the optical path between the beam splitting means and the second light modulating means for The light propagating along the second channel is filtered to obtain a more pure three-primary light, thereby improving the light efficiency of the system.
- At least one set is provided a laser light source, the light-emitting device sequentially emits different light according to the excitation light source of the light source device; the light splitting and combining device splits different light from the light-emitting device into light of different ranges of wavelengths respectively emitted along different light channels and the light modulation device is divided
- the photosynthetic optical device modulates light emitted from different optical channels, and the three primary colors of light can be distributed to two in a certain manner. Processing on the DMD greatly increases the color gamut that the light source can modulate, thereby improving the efficacy and reliability of the projection system.
- the second embodiment is based on a specific implementation manner of changing the wavelength conversion material of the two-stage color wheel
- the third embodiment is based on the specific embodiment of changing the segmented color wheel from the two-stage color wheel to the three-stage color wheel.
- the fourth embodiment is based on an embodiment in which a three-stage filter wheel is added after the two-stage color wheel.
- the fifth embodiment is based on an embodiment in which a filter is added before the light modulation device.
- Embodiment 6 and Embodiment 7 The eighth embodiment is based on a specific implementation manner of adding an excitation light source and a color wheel.
- Embodiment 7 is a specific implementation manner based on adding a wavelength conversion material for changing the color wheel after the excitation light source and the color wheel
- the eighth embodiment is based on adding an excitation light source and A specific embodiment in which the opening and closing times of the excitation light source are changed after the color wheel is used
- Embodiment 9 is based on a specific embodiment of changing the modulation mode of the laser light source.
- Embodiment 2 is a diagrammatic representation of Embodiment 1:
- FIG. 3 is a schematic structural view of a projection system in an embodiment of the present invention
- FIG. 4 is a front view of the light-emitting device in FIG. 5 is the timing diagram of the blue light and the yellow light emitted from the light-emitting device
- FIG. 6 is a distribution diagram of the green light and the red light after being processed by the spectral film
- FIG. 7a is a timing chart of the first DMD reflected light
- FIG. 7b is a second time chart.
- the projection system first includes a light source system including: a light source device, a light exit device, a light splitting device, a first light modulation device, and a second light modulation device.
- the light source device includes: a laser light source 301, a collecting lens 302; and the light emitting device includes a color wheel 303
- the splitting and combining device comprises: a square bar 304, an optical relay system 305, a TIR prism 306, a beam splitting prism 307 and a beam splitting film 310; the first light modulating device includes the first DMD 308a, the second light modulating device includes a second DMD 308b.
- the projection system further includes a projection lens 309.
- the laser light source 301 can employ a blue light LD (Laser Diode).
- Laser source The blue light emitted by 301 is focused by the collecting lens 302 and incident on the phosphor-coated color wheel 303.
- Color wheel 303 It is a two-stage color wheel including blue light and yellow light, wherein the blue light portion is transmitted light and the yellow light portion is obtained by exciting yellow phosphor powder.
- the color wheel 303 It can also be a two-stage color wheel including two other different colors, such as a two-stage color wheel including blue light and cyan light.
- the blue and yellow light are output from the color wheel 303 in time series, as shown in FIG.
- the splitting and combining prism 307 is plated with a beam splitting film 310 between the two prisms, and the beam splitting film 310 Divides the yellow light in the incident light into red and green light.
- the beam splitting film 310 the two kinds of light are reflected, one is transmitted, and thus incident on the first DMD 308a and the second DMD 308b.
- the light on the light is green, blue and red, or red, blue and green.
- the light incident on the first DMD 308a is green light and blue light, as shown in FIG. 7a, incident on the second light.
- the light of the DMD308b is red, as shown in Figure 7b; or when the green light is reflected, when the red light is transmitted, the light incident on the first DMD308a is red and blue, and is incident on the second DMD308b.
- the light is green.
- the incident light is modulated by the first DMD 308a and the second DMD 308b, and is reflected and combined into the lens lens 309 to form an image.
- Embodiment 3 is a diagrammatic representation of Embodiment 3
- Figure 8 is a front view of the improved light-emitting device based on the projection system of Figure 3, and Figure 9 is the first DMD.
- the timing diagram of the reflected light Figure 10 is the timing diagram of the second DMD reflected light, as shown in Figure 8, Figure 9, and Figure 10.
- the color wheel in the second embodiment is changed to a two-stage color wheel 303 including cyan and yellow light, and the other devices are unchanged. From the color wheel 303a The cyan and yellow light emitted in time series, the cyan and yellow light enter the square bar 304, and after being homogenized, they are collimated by the optical relay system 305 and then incident on the TIR prism 306 and the beam splitting prism 307, and the optical splitting prism is split.
- the beam splitting film 310 divides the yellow light in the incident light into red light and green light, the blue light is divided into blue light and green light, and the blue light and red light are incident on a DMD (such as One DMD308a) is processed, as shown in Figure 9, the green light is incident on another DMD (such as the second DMD308b) for processing, as shown in Figure 10.
- Incident light passes through the first The DMD 308a and the second DMD 308b modulate the reflected light into the lens lens 309 to form an image.
- this embodiment adds two DMDs.
- the green light is divided into green light according to the time series, and the yellow light separates the green light according to the time series, thereby improving the utilization of light, and increasing the brightness of the projection system by increasing the green light component.
- Embodiment 4 is a diagrammatic representation of Embodiment 4:
- Figure 11 is a front elevational view of another improved light-emitting device based on the projection system of Figure 3, as shown in Figure 11
- the two-stage color wheel 303 including blue light and yellow light in the second embodiment is further provided with a three-stage filter wheel 303b including blue light, green light and yellow light.
- Two-stage color wheel 303 And the three-stage filter wheel 303b is fixed on one shaft, driven by the same driver so that the two wheels rotate synchronously, and the yellow light generated by the color wheel 303 is partially divided by the three-stage filter wheel 303b.
- the green filter above is filtered into green light, and a portion of the yellow filter above the three-stage filter wheel 303b is still yellow.
- Figure 12a is a timing diagram of the first DMD reflected light
- Figure 12b is a second DMD
- the timing diagram of the reflected light is shown in Figures 12a and 12b.
- the light timing diagrams on the two DMDs are obtained, thereby obtaining two kinds of green light, which are changed from three primary colors to blue light, green light 1 and green light 2 And red light four primary colors.
- Figure 13a is a schematic diagram of the color gamut, as shown in Figure 13a, at which point the color gamut increases.
- the green light filter on the three-stage filter wheel can be replaced by a red light filter, thereby obtaining red light on the second DMD 1 , red light 2 , further obtain blue light, green light, red light 1 , red light 2 four primary colors of light; or do not add three-stage filter wheel 3031 , blue and yellow two-stage color wheel 303 Change to two-stage color wheel of cyan and yellow light to obtain four colors of blue light, green light 1, green light 2 and red light; or change the two-stage color wheel 303 to blue, green and yellow three-color Wheel, you can also get blue light, green light 1 , green light 2 and red light four primary color light; or on this basis, the same is a two-stage color wheel 303 including blue light and yellow light, and the three-stage filter wheel 303b is replaced by blue light, yellow light 1, yellow Light 2
- the three-stage filter wheel obtains two different yellow lights: yellow light 1 and yellow light 2, and is divided into green light 1, red light 1, green light 2, and red light 2 at the splitting and combining prism
- Figure 13b is a schematic diagram of the color gamut, as shown in Figure 13b, where the color gamut is wider; or the three-stage filter wheel 303b is not used.
- the two-stage color wheel 303 is changed to a three-stage color wheel including cyan, green, and yellow light, and obtains blue light, green light 1, green light 2, green light 3, and red light five primary colors; or two-stage Color wheel 303 It is changed to a three-stage color wheel including blue light, yellow light 1, and yellow light 2. It also obtains blue light, green light 1, green light 2, red light 1, and red light 2 five-color light.
- the embodiment of the embodiment is not limited thereto, and may be further improved on the basis of the embodiment, for example, by adding an excitation light source, changing different colors of multiple segments of the color wheel, and adding multiple DMD Etc., so that the primary color and the intermediate color are multi-colored.
- adding an excitation light source changing different colors of multiple segments of the color wheel, and adding multiple DMD Etc., so that the primary color and the intermediate color are multi-colored.
- increasing the color gamut that the excitation light source can modulate more color gamuts of the primary colors can be obtained to meet the requirements of different image standards, and the range of color gamut that the system can modulate is improved.
- Embodiment 5 is a diagrammatic representation of Embodiment 5:
- Figure 14 is a block diagram showing the structure of a projection system in a preferred embodiment of the present invention, as shown in Figure 14, in two DMDs.
- a first filter 1401 and a second filter 1402 are added before, respectively, a green filter and a red filter.
- Figure 15 is a schematic diagram of the color gamut, as shown in Figure 15, after the first filter 1401 After the green light and the red light are processed by the second filter 1402, the red and green colors incident on the two DMDs are made more pure, thereby obtaining a wider three-primary color gamut.
- FIG. 16 is a schematic structural diagram of a projection system according to a preferred embodiment of the present invention
- the embodiment replaces the original one color wheel 303 with two color wheels including the first color wheel 1603 and the second color wheel 1604 on the basis of the second embodiment, as shown in FIG. Figure
- the laser light source includes a laser light source 1601 and a laser light source 1602. In practical applications, for example, it can be a Blu-ray LD module.
- Figure 18 is the first time when the light source device is alternately opened
- the timing diagram of the DMD and the second DMD inverted light as shown in Figure 18, the opening time of the laser source 1601 and the laser source 1602 and the first DMD 308a and the second DMD 308b
- the first laser light source 1601 and the second laser light source 1602 are alternately turned on, the blue light and the red light are incident on the first DMD 308a, and the green light is incident on the second DMD 308b.
- the light sources provided by the first laser source 1601 and the second laser source 1602 are respectively focused by the collecting lens 302 onto the color wheel 1603 and the color wheel 1604, as shown in Fig.
- the color wheel 1603 and color wheel 1604 are respectively a full-color blue-scattering pink wheel and a full-color yellow phosphor, and the light emitted from the color wheel passes through the square bar 304 and the optical relay system 305
- the blue light anti-yellow filter 1605 is passed through, and the blue light and the yellow light are combined at the blue light anti-yellow filter 1605, and incident on the TIR prism 1606, and the light splitting prism is passed through the light splitting prism.
- 1607 reaches the first DMD 308a and the second DMD 308b, and reflects and merges into the projection lens 309 Final imaging.
- the embodiment is not limited thereto, and for example, red light and green light are interchangeable.
- Figure 19 is a front elevational view of the improved light exiting device based on the projection system of Figure 16, as shown in Figure 19
- the color wheel 1603 is changed to the cyan fluorescent pink wheel 1603a, and the remaining devices are unchanged.
- Figure 20 shows the first DMD308a when the light source unit is alternately turned on.
- the timing diagram of the second DMD308b inverted color light as shown in FIG. 20, the opening time of the first laser light source 1601 and the second laser light source 1602 and the first DMD 308a and the second
- the light timing on the DMD308b corresponds to this method, which improves the utilization of the first DMD308a and the second DMD308b and increases the brightness.
- the first embodiment makes the two first laser light sources by increasing the opening time of the first laser light source 1601.
- the 1601 and the second laser source 1602 are simultaneously turned on for a certain period of time, and there is a partial overlap, thereby processing two DMDs of two colors.
- the mixed color light obtained for a period of time such as blue light, red light mixed product red, blue light, green light mixed into cyan.
- Figure 21 is a timing diagram of the first DMD and the second DMD inverted color when the light source device is turned on, as shown in Figure 21.
- the light timing on the second DMD 308b is divided into two cases, two DMDs during the time period when the two light sources are simultaneously turned on.
- the mixed light consisting of magenta, green, and cyan and red is actually white light, which greatly increases the brightness of the system.
- the present embodiment uses the full-color blue and full-color yellow light two-color wheel or the full-color blue light, full-color yellow light two-color wheel to emit blue light, yellow light or cyan light and yellow light as two laser light sources.
- Pulse width modulation Pulse Width Modulation, PWM for short
- Figure 22 shows the first DMD when the light source device is modulated by pulse width modulation.
- the first laser light source 1601 and the second laser light source 1602 pulse timing and the first DMD 308a and the second 308bDMD
- the light timing on the corresponding corresponds, so the PWM modulation method can improve the color switching frequency, thereby effectively solving the color breakup phenomenon in the projection display.
- FIG. 23 is based on FIG.
- the front view of the improved light-emitting device in the projection system, as shown in Figure 23, uses a two-stage color wheel 1604a including yellow and green light, and a blue single-segment solid color wheel 1603,
- Figure 24 is the first
- the timing diagram of the DMD308a and the second DMD308b inverted light, as shown in Figure 24, results in a laser source and two DMDs. Corresponding light timing diagram on the top.
- This embodiment is not limited to the scheme of the color wheel, and can ensure the three primary color conditions, that is, two DMDs, one DMD handles one primary color, and the other DMD
- the other two primary colors are processed in time series, and partial color mixing is allowed, such as blue light, red light mixed red, blue light, green light mixed blue, and the color wheel scheme conforming to this condition is within the scope of the present embodiment.
- the embodiment is not limited to the method using the segmented color wheel, and the filter wheel of the synchronous rotation can be added behind the single-stage solid color wheel or the two-stage or multi-stage color wheel, thereby ensuring two DMD The three primary color conditions on.
- the two color segment solid color wheels can be replaced with the segment color wheel, for example, a two-stage color wheel, a single-stage solid color wheel combination, or a two-stage color wheel, and a two-stage color wheel combination. The same is true within the scope of protection of this embodiment.
- This embodiment can ensure sufficient brightness while ensuring a sufficiently wide color gamut.
- the projection method includes:
- Step S1011 Providing at least one set of laser light sources that emit excitation light.
- Step S1012 Receiving the excitation light, converting the excitation light into a laser light, and emitting the light, the laser light comprising at least one composite light.
- Step S1013 And dividing the composite light into a first wavelength light propagating along the first optical channel and a second wavelength light propagating along the second optical channel, where the spectral coverage of the first wavelength light and the second wavelength light are different,
- the combined light of the laser is white light.
- Step S1014 Modulate light propagating the first optical channel and modulate light propagating the second optical channel.
- the light-emitting device sequentially emits different light according to the excitation light source of the light source device; the light splitting and combining device splits different light from the light-emitting device into light of different ranges of wavelengths respectively emitted along different light channels and the light modulation device is divided
- the photosynthetic optical device modulates light emitted from different optical channels, and the three primary colors of light can be distributed to two in a certain manner. Processing on the DMD greatly increases the color gamut that the light source can modulate, thereby improving the light efficiency and reliability of the system.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Signal Processing (AREA)
- Astronomy & Astrophysics (AREA)
- Projection Apparatus (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
Description
Claims (18)
- 一种光源系统,其特征在于,包括:光源装置,用于提供至少一组出射激发光的激光光源;出光装置,用于接收所述激发光,将所述激发光转换成受激光并出射,所述出光装置包括至少两种不同的波长转换材料,所述至少一种波长转换材料的受激光为复合光;分光合光装置,用于将所述复合光分成沿第一光通道传播的第一波长光及沿第二光通道传播的第二波长光,所述第一波长光及第二波长光的波谱覆盖范围不同,所述受激光的合光为白光;第一光调制装置,用于对所述第一光通道传播的光进行调制;第二光调制装置,用于对所述第二光通道传播的光进行调制。
- 根据权利要求 1 所述光源系统,其特征在于,所述受激光还包括基色光,所述分光合光装置将所述基色光沿所述第一通道或者第二通道传播。
- 根据权利要求 1 所述的光源系统,其特征在于,所述出光装置为一色轮,所述至少两种不同的波长转换材料分段式位于所述色轮上。
- 根据权利要求 3 所述的光源系统,其特征在于,所述至少两种不同的波长转换材料为吸收所述光源装置出射的激发光后出射至少两种不同的复合光的波长转换材料。
- 根据权利要求 4 所述的光源系统,其特征在于,所述吸收所述光源装置出射的激发光后可出射至少两种不同的复合光的波长转换材料为青色荧光粉和黄色荧光粉,或者品红荧光粉和青色荧光粉,或者品红荧光粉和黄色荧光粉。
- 根据权利要求 3 所述的光源系统,其特征在于,所述出光装置还包括:与所述色轮同轴旋转的分段式滤光片轮,所述分段式滤光片轮具有至少两种不同颜色的滤光区。
- 根据权利要求 6 所述的光源系统,其特征在于,所述分段式滤光片轮包括具有蓝色、黄色、绿色或者蓝色、黄色、红色或者蓝色、第一黄色、第二黄色的滤光区的分段式滤光片轮。
- 根据权利要求 1 所述的光源系统,其特征在于,所述光源装置包括:两组激光光源。
- 根据权利要求 8 所述的光源系统,其特征在于,所述出光装置包括与所述激光光源一一对应的两个色轮,每个色轮具有至少一种波长转换材料,两个色轮具有的波长转换材料不完全相同。
- 根据权利要求 9 所述的光源系统,其特征在于,所述两个色轮中其中一个色轮具有蓝色荧光粉,另一个色轮具有黄色荧光粉,或者其中一个色轮具有青色荧光粉,另一个色轮具有黄和 / 或绿色荧光粉。
- 根据权利要求 9 所述的光源系统,其特征在于,所述出光装置还包括:与所述色轮同轴旋转的至少一个分段式滤光片轮,所述分段式滤光片轮具有至少一种不同颜色的滤光区。
- 根据权利要求 11 所述的光源系统,其特征在于,所述分段式滤光片轮具有黄色和绿色的滤光区。
- 根据权利要求 8-11 中任一项所述的光源系统,其特征在于,所述两组激发光光源交替打开和关闭。
- 根据权利要求 8-11 中任一项所述的光源系统,其特征在于,所述两组激发光光源其中一组光源的打开时间和另一组光源的打开时间部分重叠。
- 根据权利要求 8-11 中任一项所述的光源系统,其特征在于, 采用脉冲宽度调制对两组激光光源进行调节 。
- 根据权利要求 1-11 中任一所述的光源系统,其特征在于,所述光源系统还包括第一滤光片和 / 或第二滤光片,所述第一滤光片设置于所述分光合光装置与所述第一光调制装置之间的光路上,用于对沿第一通道传播的光进行滤光处理,所述第二滤光片设置于所述分光合光装置与所述第二光调制装置之间的光路上,用于对沿第二通道传播的光进行滤光处理。
- 一种投影系统,其特征在于,包括:如权利要求 1-16 中任一项所述的光源系统以及投影镜头;其中,所述投影镜头接收所述光源系统调制后的合光,形成完整的投影图像。
- 一种投影方法,其特征在于,包括步骤:提供至少一组出射激发光的激光光源;接收所述激发光,将所述激发光转换成受激光并出射,所述出光装置包括至少两种不同的波长转换材料,所述至少一种波长转换材料的受激光为复合光;将所述复合光分成沿第一光通道传播的第一波长光及沿第二光通道传播的第二波长光,所述第一波长光及第二波长光的波谱覆盖范围不同,所述受激光的合光为白光;对所述第一光通道传播的光进行调制以及对所述第二光通道传播的光进行调制。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016563806A JP6427749B2 (ja) | 2014-04-23 | 2015-04-23 | 光源システム、投影システム及び方法 |
US15/306,227 US10554938B2 (en) | 2014-04-23 | 2015-04-23 | Light source system, and projection system and method |
EP15782632.2A EP3136169B1 (en) | 2014-04-23 | 2015-04-23 | Light source system, and projection system and method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410166761.4A CN105022212B (zh) | 2014-04-23 | 2014-04-23 | 光源系统、投影系统及方法 |
CN201410166761.4 | 2014-04-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015161810A1 true WO2015161810A1 (zh) | 2015-10-29 |
Family
ID=54331763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2015/077247 WO2015161810A1 (zh) | 2014-04-23 | 2015-04-23 | 光源系统、投影系统及方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10554938B2 (zh) |
EP (1) | EP3136169B1 (zh) |
JP (1) | JP6427749B2 (zh) |
CN (2) | CN109188837B (zh) |
TW (1) | TWI567472B (zh) |
WO (1) | WO2015161810A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108693687A (zh) * | 2017-04-06 | 2018-10-23 | 深圳市光峰光电技术有限公司 | 一种显示系统 |
CN110068982A (zh) * | 2018-01-23 | 2019-07-30 | 深圳光峰科技股份有限公司 | 投影装置及色域调整方法 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105282528B (zh) * | 2014-07-17 | 2018-08-31 | 深圳市光峰光电技术有限公司 | 数字微镜器件控制设备和投影显示系统 |
CN105467733B (zh) * | 2014-08-25 | 2018-08-28 | 深圳市光峰光电技术有限公司 | 投影显示系统及其控制方法 |
CN105739226B (zh) * | 2014-12-08 | 2019-06-21 | 深圳光峰科技股份有限公司 | 投影系统 |
TWI581047B (zh) * | 2015-12-11 | 2017-05-01 | 深圳市繹立銳光科技開發有限公司 | 投影系統 |
CN106444248B (zh) * | 2016-09-13 | 2019-10-22 | 合肥鑫晟光电科技有限公司 | 一种荧光轮、投影光源、投影仪及其控制方法 |
CN108303842B (zh) * | 2017-01-12 | 2020-09-15 | 深圳光峰科技股份有限公司 | 投影显示系统 |
CN108345160B (zh) * | 2017-01-22 | 2020-11-17 | 深圳光峰科技股份有限公司 | 一种投影显示系统 |
CN106873296B (zh) * | 2017-04-05 | 2020-03-31 | 苏州佳世达光电有限公司 | 投影系统 |
CN112946979B (zh) * | 2017-04-27 | 2022-05-13 | 深圳光峰科技股份有限公司 | 光源系统及应用所述光源系统的投影系统 |
CN109324465B (zh) * | 2017-07-31 | 2021-12-31 | 深圳光峰科技股份有限公司 | 显示设备及显示方法 |
CN109426052B (zh) * | 2017-08-24 | 2021-04-06 | 深圳光峰科技股份有限公司 | 投影系统 |
CN110058479B (zh) | 2018-01-19 | 2024-05-14 | 中强光电股份有限公司 | 照明系统与投影装置 |
CN110058477B (zh) | 2018-01-19 | 2021-07-23 | 中强光电股份有限公司 | 投影机、影像产生装置及其影像产生方法 |
CN110058478B (zh) * | 2018-01-19 | 2022-01-18 | 中强光电股份有限公司 | 照明系统与投影装置 |
CN110161787B (zh) | 2018-02-14 | 2021-08-27 | 中强光电股份有限公司 | 投影装置 |
CN110278422B (zh) * | 2018-03-16 | 2022-01-11 | 深圳光峰科技股份有限公司 | 显示设备 |
CN108710256B (zh) * | 2018-03-30 | 2020-09-08 | 苏州佳世达光电有限公司 | 分光模块及应用其的投影装置 |
CN108565676B (zh) * | 2018-06-15 | 2023-09-22 | 江苏镭创高科光电科技有限公司 | 一种激光光源及显示装置 |
CN110632814A (zh) | 2018-06-25 | 2019-12-31 | 中强光电股份有限公司 | 照明系统以及投影装置 |
CN110874002B (zh) | 2018-08-31 | 2021-12-21 | 深圳光峰科技股份有限公司 | 动态调节显示系统色域的系统、方法及显示系统 |
CN111381427A (zh) * | 2018-12-29 | 2020-07-07 | 深圳光峰科技股份有限公司 | 光源系统、显示装置及光源控制方法 |
CN113138525B (zh) * | 2020-01-20 | 2024-03-22 | 苏州佳世达光电有限公司 | 投影装置 |
CN117651908A (zh) * | 2021-07-21 | 2024-03-05 | 索尼集团公司 | 照明装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050259225A1 (en) * | 2004-05-21 | 2005-11-24 | Jds Uniphase Corporation | Two-panel liquid-crystal-on-silicon color management system |
US20070211223A1 (en) * | 2006-03-08 | 2007-09-13 | Texas Instruments Incroporated | System and method for projection systems using sequential color techniques |
CN101231451A (zh) * | 2007-01-25 | 2008-07-30 | 明基电通股份有限公司 | 六段色轮 |
CN101929637A (zh) * | 2009-06-22 | 2010-12-29 | 中强光电股份有限公司 | 照明系统及照明控制方法 |
JP4707646B2 (ja) * | 2006-11-24 | 2011-06-22 | シャープ株式会社 | プロジェクタ |
CN102645827A (zh) * | 2011-11-16 | 2012-08-22 | 深圳市光峰光电技术有限公司 | 光源系统及投影装置 |
CN103019017A (zh) * | 2011-09-26 | 2013-04-03 | 三洋电机株式会社 | 投射型影像显示装置 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5612753A (en) * | 1995-01-27 | 1997-03-18 | Texas Instruments Incorporated | Full-color projection display system using two light modulators |
US5863125A (en) * | 1998-01-30 | 1999-01-26 | International Business Machines Corporation | High efficiency two-SLM projector employing total-internal-reflection prism |
GB2382880A (en) * | 2001-12-10 | 2003-06-11 | Wynne Willson Gottelier Ltd | Colour projector with movable colour filters and elliptical mask window |
JP2006119440A (ja) | 2004-10-22 | 2006-05-11 | Olympus Corp | 面順次照明装置及び画像投射装置 |
CN101203802B (zh) * | 2005-06-20 | 2010-05-19 | 松下电器产业株式会社 | 二维图像显示装置、照明光源及曝光照明装置 |
CN101140405B (zh) * | 2006-09-05 | 2010-09-29 | 深圳华强三洋技术设计有限公司 | 投影装置 |
US7547114B2 (en) * | 2007-07-30 | 2009-06-16 | Ylx Corp. | Multicolor illumination device using moving plate with wavelength conversion materials |
JP4678556B2 (ja) * | 2009-03-17 | 2011-04-27 | カシオ計算機株式会社 | 発光装置及び光源装置並びにこの光源装置を用いたプロジェクタ |
TWI392954B (zh) * | 2009-05-11 | 2013-04-11 | Coretronic Corp | 照明系統及照明控制方法 |
JP2011075919A (ja) * | 2009-09-30 | 2011-04-14 | Casio Computer Co Ltd | 光源装置、投影装置及び投影方法 |
JP5534331B2 (ja) * | 2010-07-30 | 2014-06-25 | カシオ計算機株式会社 | 光源ユニット及びプロジェクタ |
TWI487998B (zh) * | 2010-08-09 | 2015-06-11 | Delta Electronics Inc | 光源系統及其適用之投影機 |
JP2012063564A (ja) * | 2010-09-16 | 2012-03-29 | Panasonic Corp | プロジェクター |
JP2014507013A (ja) * | 2011-02-07 | 2014-03-20 | インテマティックス・コーポレーション | 光ルミネセンスカラーホイール |
JP5750983B2 (ja) * | 2011-04-12 | 2015-07-22 | ウシオ電機株式会社 | プロジェクタ用光源装置 |
US8819499B2 (en) * | 2011-06-09 | 2014-08-26 | At&T Mobility Ii Llc | Sending network reject/error codes from a terminal adaptor to terminal equipment through an at command interface |
US9075299B2 (en) * | 2011-08-27 | 2015-07-07 | Appotronics Corporation Limited | Light source with wavelength conversion device and filter plate |
TWI448806B (zh) * | 2011-09-22 | 2014-08-11 | Delta Electronics Inc | 螢光劑裝置及其所適用之光源系統及投影設備 |
TWM446346U (zh) * | 2012-04-13 | 2013-02-01 | Min Aik Technology Co Ltd | 光源裝置以及應用該光源裝置之投影系統 |
CN103713454B (zh) * | 2012-09-28 | 2016-12-07 | 深圳市绎立锐光科技开发有限公司 | 发光装置及相关投影系统 |
CN103713455B (zh) * | 2012-09-28 | 2016-12-21 | 深圳市绎立锐光科技开发有限公司 | 光源系统及相关投影系统 |
US8847806B2 (en) * | 2012-11-29 | 2014-09-30 | Intel Mobile Communications GmbH | Digital to analog converter comprising mixer |
DE102012223925B4 (de) * | 2012-12-20 | 2024-03-21 | Coretronic Corporation | Beleuchtungsvorrichtung mit Pumplichtquelle, Leuchtstoffanordnung und Filteranordnung |
US9664989B2 (en) * | 2013-05-23 | 2017-05-30 | Texas Instruments Incorporated | Multi-spatial light modulator image display projector architectures using solid state light sources |
DE102013215981A1 (de) * | 2013-08-13 | 2015-02-19 | Osram Gmbh | Lichtmodul und Verfahren zum Erzeugen von wellenlängenkonvertiertem Licht im roten Spektralbereich sowie Verfahren zum Bereitstellen eines Wellenlängenkonversionselements |
-
2014
- 2014-04-23 CN CN201811122057.3A patent/CN109188837B/zh active Active
- 2014-04-23 CN CN201410166761.4A patent/CN105022212B/zh active Active
-
2015
- 2015-04-15 TW TW104112082A patent/TWI567472B/zh active
- 2015-04-23 EP EP15782632.2A patent/EP3136169B1/en active Active
- 2015-04-23 JP JP2016563806A patent/JP6427749B2/ja active Active
- 2015-04-23 US US15/306,227 patent/US10554938B2/en active Active
- 2015-04-23 WO PCT/CN2015/077247 patent/WO2015161810A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050259225A1 (en) * | 2004-05-21 | 2005-11-24 | Jds Uniphase Corporation | Two-panel liquid-crystal-on-silicon color management system |
US20070211223A1 (en) * | 2006-03-08 | 2007-09-13 | Texas Instruments Incroporated | System and method for projection systems using sequential color techniques |
JP4707646B2 (ja) * | 2006-11-24 | 2011-06-22 | シャープ株式会社 | プロジェクタ |
CN101231451A (zh) * | 2007-01-25 | 2008-07-30 | 明基电通股份有限公司 | 六段色轮 |
CN101929637A (zh) * | 2009-06-22 | 2010-12-29 | 中强光电股份有限公司 | 照明系统及照明控制方法 |
CN103019017A (zh) * | 2011-09-26 | 2013-04-03 | 三洋电机株式会社 | 投射型影像显示装置 |
CN102645827A (zh) * | 2011-11-16 | 2012-08-22 | 深圳市光峰光电技术有限公司 | 光源系统及投影装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3136169A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108693687A (zh) * | 2017-04-06 | 2018-10-23 | 深圳市光峰光电技术有限公司 | 一种显示系统 |
CN108693687B (zh) * | 2017-04-06 | 2021-03-05 | 深圳光峰科技股份有限公司 | 一种显示系统 |
CN110068982A (zh) * | 2018-01-23 | 2019-07-30 | 深圳光峰科技股份有限公司 | 投影装置及色域调整方法 |
CN110068982B (zh) * | 2018-01-23 | 2021-09-21 | 深圳光峰科技股份有限公司 | 投影装置及色域调整方法 |
US11650490B2 (en) | 2018-01-23 | 2023-05-16 | Appotronics Corporation Limited | Projection device and color gamut adjustment method |
Also Published As
Publication number | Publication date |
---|---|
JP2017519236A (ja) | 2017-07-13 |
EP3136169A1 (en) | 2017-03-01 |
EP3136169A4 (en) | 2017-04-12 |
JP6427749B2 (ja) | 2018-11-28 |
CN105022212B (zh) | 2018-11-06 |
US10554938B2 (en) | 2020-02-04 |
TW201541180A (zh) | 2015-11-01 |
TWI567472B (zh) | 2017-01-21 |
CN109188837B (zh) | 2020-12-08 |
CN109188837A (zh) | 2019-01-11 |
EP3136169B1 (en) | 2019-12-04 |
US20170048502A1 (en) | 2017-02-16 |
CN105022212A (zh) | 2015-11-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015161810A1 (zh) | 光源系统、投影系统及方法 | |
WO2015149700A1 (zh) | 一种光源系统及投影系统 | |
WO2015161821A1 (zh) | 一种光源系统及投影显示装置 | |
WO2016180298A1 (zh) | 一种发光装置及其发光控制方法、投影设备 | |
CN204595412U (zh) | 发光装置和投影系统 | |
WO2016165569A1 (zh) | 发光装置和投影系统 | |
WO2012138020A1 (en) | Light source apparatus and method for manufacturing the same | |
WO2016161924A1 (zh) | 光源系统和投影系统 | |
WO2018107634A1 (zh) | 光源系统及投影装置 | |
TWI584049B (zh) | 合光控制系統 | |
US10965919B2 (en) | Projector and image display method | |
WO2018126561A1 (zh) | 投影系统 | |
WO2016037521A1 (zh) | 立体图像投影装置和立体显示的眼镜 | |
WO2018113226A1 (zh) | 一种投影显示系统 | |
WO2018010467A1 (zh) | 发光装置及相关投影系统 | |
WO2015183053A1 (en) | Optical device and image projection apparatus including the same | |
CN108234976A (zh) | 支持多种激光光源的dlp投影显示驱动系统 | |
CN108710256A (zh) | 分光模块及应用其的投影装置 | |
WO2018129827A1 (zh) | 投影显示系统 | |
CN1947429A (zh) | 用于具有单色光源的帧序列彩色投影显示器系统的光引擎,系统和驱动方法 | |
WO2013051771A1 (ko) | 파장 변환층을 포함하는 디스플레이 장치 | |
WO2016066074A1 (zh) | 3d投影显示系统 | |
WO2018170987A1 (zh) | 投影系统 | |
WO2016045470A1 (zh) | 立体投影系统 | |
WO2018006633A1 (zh) | 光源及相关投影系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15782632 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016563806 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15306227 Country of ref document: US |
|
REEP | Request for entry into the european phase |
Ref document number: 2015782632 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2015782632 Country of ref document: EP |