CN1700088A - Light source device - Google Patents
Light source device Download PDFInfo
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- CN1700088A CN1700088A CNA2005100728325A CN200510072832A CN1700088A CN 1700088 A CN1700088 A CN 1700088A CN A2005100728325 A CNA2005100728325 A CN A2005100728325A CN 200510072832 A CN200510072832 A CN 200510072832A CN 1700088 A CN1700088 A CN 1700088A
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- supply apparatus
- light
- back light
- heat
- light supply
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Abstract
The objective is to provide a light source device capable of preventing a high-pressure mercury discharge lamp disposed in the light source device from being abnormally heated even when return light is generated from an optical element, and to provide a display device. This light source device comprises: a discharge vessel equipped with a pair of electrodes arranged oppositely to each other and composed by enclosing a luminescent substance in a discharge space; the high-pressure mercury discharge lamp comprising a pair of sealed parts projecting from the discharge vessel; a reflecting mirror including the high-pressure mercury discharge lamp for reflecting light emitted from the high-pressure mercury discharge lamp; and a front glass plate disposed on the opening side of the reflecting mirror. The light source device is characterized by installing, in the vicinity of the front glass plate, a return light absorption member for absorbing the return light to convert it to heat.
Description
Technical field
The present invention relates to utilize light supply apparatus at projector.Particularly relate to and a kind ofly possess short arc (Short Arc) the type discharge lamp that in the discharge space of the pair of electrodes that possesses subtend configuration, has sealed mercury, rare gas and halogen etc., and the display device that is provided with the light supply apparatus of front glass and has disposed this light supply apparatus.
Background technology
In the past, in image projecting type display device such as liquid crystal announcer, used the light supply apparatus that disposes high-voltage mercury discharging lamp at concave reflection within the border.The catoptrons that the reflection horizon that is made of the dielectric multilayer film for example is set on the concave mirror of the ellipse of revolution shape that constitutes with quartz glass that use in this light supply apparatus more.Also have, in this catoptron, be configured in the discharge space of pair of electrodes and seal the short-arc type high-voltage mercury discharging lamp as luminescent substance such as mercury, rare gas, halogen with subtend configuration.This light supply apparatus requires miniaturization and, high-performance along with popularizing of nearest liquid crystal projector particularly movable (Movable type), thereby also requires the small-sized and high brightness of this light supply apparatus itself.
In addition, this high-voltage mercury discharging lamp that is disposed in this light supply apparatus must make the mercury that is sealed in this discharge space fully evaporate when lighting, and makes this discharge vessel all become very high temperature.Also have, from the outstanding sealing of this discharge space also along with the temperature of this discharge space becomes high temperature.Be provided with the metal forming that is made of Mo etc. of the electrode that is used for supplying power to a pair of subtend configuration and the outer lead that is connected with this metal forming in sealing portion, when the temperature of sealing portion became too high, these metal part were because the generation unfavorable condition is corroded in oxidation etc.Therefore, on toss about the mirror side or the front glass etc. of this light supply apparatus, emptying aperture was set in the past, and utilized this emptying aperture to send cooling air, cooled off this high-voltage mercury discharging lamp.For example, in No. 3183213 communique of special permission, record on the front glass at this catoptron emptying aperture is set, make the sealing of this high-voltage mercury discharging lamp outstanding from this emptying aperture, thus natural air cooling sealing portion partly, or carry out forced air-cooling and cool off.Also have, for example, according to No. 3381566 communique of special permission, announcement has along with the side in this catoptron open side is provided with emptying aperture, head in this catoptron is provided with the hole that air draft is used, form flowing of air in open side to the cephalad direction of this catoptron, cool off the structure of sealing portion thus from this catoptron.
Fig. 6 represents the skeleton diagram of light supply apparatus in the past.Light supply apparatus 50 by catoptron 51, be configured in discharge lamp 52 in this catoptron 51, and the front glass 53 that disposes in the mode of the front openings portion that covers this catoptron 51.Also have, this discharge lamp 52 by the pair of electrodes 55 of discharge vessel 54, subtend configuration this discharge vessel 54 in, from the outstanding sealing 56 of this discharge vessel 54, be sealed in the sealing portion 56 and the metal forming 57 that is connected with this electrode 55, welding constitute at excellent 58 of the outside lead of the other end of this metal forming 57.This discharge lamp 52 is connected with base portion 59 by bond 60.This base portion 59 is provided with cooling air and discharges with hole 61.Also have, be provided with the emptying aperture 62 that feeds cooling air on this catoptron 51, represent as the arrow among Fig. 6, the cooling air that flows into from this emptying aperture 62 cools off the outside lead rod 58 of this discharge lamp 52 etc., discharges with hole 61 from this cooling air at last and discharges.
Yet, on this front glass of this light supply apparatus, emptying aperture is set, when cooling off from the sealing of outstanding this high-voltage mercury discharging lamp of this front glass, just in case cause lamp breakage etc. sealing portion is come off, then the formation thing that conjecture will produce this high-voltage mercury discharging lamp undesirable condition such as peels off from the emptying aperture of this front glass.Also have, when this mirrored side is provided with emptying aperture and is used for being taken into cooling air, have what is called to cause that the formation thing of this high-voltage mercury discharging lamp peels off the problem to this light supply apparatus.
Therefore, if on this catoptron, emptying aperture is set, though can address the above problem, but it is negative to be, if on this catoptron, emptying aperture is set, the sealing etc. that then is disposed at this high-voltage mercury discharging lamp in this catoptron becomes very high temperature, and producing so-called early stage illumination worsens or short life, more has problem such as breakage to produce.Therefore, propose in this light supply apparatus of a kind of so-called closed that does not have emptying aperture on this catoptron, cooling sealing portion etc. becomes the method for the part of high temperature.
For example, open the 2001-222976 communique, record this light supply apparatus of the situation that in this catoptron, does not import cooling air according to the spy.According to this communique, make the part of sealing portion outstanding or integrated from this front glass in order to cool off the sealing that is disposed at this high-voltage mercury discharging lamp in this catoptron, blow cooling air in the catoptron front and make its cooling.Further disclose: by means of the high material of the pyroconductivity that constitutes by copper coin etc. across sealing portion total length and be wound on absorption component, this absorption component in the sealing portion and connect this catoptron heat is exported to outside heat-conducting part and the heat unit of emitting the heat that is imported roughly, cool off sealing portion.
No. the 3183213rd, (patent documentation 1) special permission
No. the 3381566th, (patent documentation 2) special permission
(patent documentation 3) spy opens 2001-222976 number
Summary of the invention
(problem that invention institute desire solves)
Yet, even in this light supply apparatus monomer, can reduce the temperature of sealing portion etc., when in fact assembling for display device such as liquid crystal projectors, when lighting test, be positioned at the sealing or the outside lead of the open side of this catoptron, also can produce with the unusual problems that heat such as power supply of this outside lead welding, particularly, the registered trademark of Texas Instruments Inc) or use the display device etc. of reflective liquid crystal using digital mirror device (DMD:, in the display device that converges from the pattern of the light of this light supply apparatus, the ratio of unusual heating such as sealing portion is remarkable.Moreover this heating also has the so-called problem that causes the reason of the weld portion broken string between outside lead portion and the supply lines that produces.
Therefore, the problem of institute of the present invention desire solution does not have the light supply apparatus of unusual heating for a kind of this high-voltage mercury discharging lamp that is disposed in the light supply apparatus is provided.Particularly, provide a kind of not unusually heater configuration in the light supply apparatus of the sealing portion that converges this high-voltage mercury discharging lamp in this light supply apparatus of the display device of the pattern of the light of this light supply apparatus radiation etc.
(in order to solve the device of problem)
For the unusual heating of this light supply apparatus, the result of probe, the unusual heating main cause of sealing portion are to reflect in the optical element of this display device etc. from the light that this light supply apparatus radiates, and produce the back light that is incident to this light supply apparatus again.Particularly because when this display device is the optically focused pattern, reflect the cause that can converge to sealing portion in the path of the light of the optical element of this display device side etc.By means of this back light, heater configuration produces the undesirable condition of so-called broken string at last in the outside lead of the sealing portion of the reflection horizon of this light supply apparatus (Reflector) open side and molybdenum (Mo) paper tinsel and oxidation.
Therefore, light supply apparatus of the present invention comprises: by the discharge vessel that has sealed luminescent substance in the discharge space of the pair of electrodes with subtend configuration with from the outstanding high-voltage mercury discharging lamp that a pair of sealing constituted of this discharge vessel; Wrap this high-voltage mercury discharging lamp, and reflecting the reflection of light mirror that radiates from this high-voltage mercury discharging lamp; And the front glass that is disposed at the open side of this catoptron, it is characterized in that, near this front glass, be provided with the absorption back light and it is transformed to the back light absorption component of heat.This back light absorption component for example constitutes with the material of so-called aluminium or copper.Also have, this back light absorption component is transformed to heat by the absorption back light and is expelled to the outside.Moreover, by suitable selection the surface state of this back light absorption component for example is made as uneven surface etc., by the part of this back light of diffusion, can reduce the light that is back to this light supply apparatus.In addition, in the present invention, being meant the periphery that comprises this front glass on this front glass near the so-called front glass, not only is the catoptron outside, also can be this catoptron inside.
Also have, it is characterized in that, on this back light absorption component, be provided with the heat radiator that heat release is used.The light that is incident to this back light absorption component is transformed to heat, effectively is expelled to the outside from this heat radiator.
Moreover, it is characterized in that this back light absorption component has diffusion function and/or the absorption function to this back light on the surface of this back light absorption component.In addition, so-called this diffusion function and/or absorption function are color such as additional black in order to absorb this back light, or the surface that makes this light-absorbing member is a uneven surface, and the mode with this back light of diffusion has small concavo-convex various forms such as diffusing surface and can obtain.
Also have, it is characterized in that, above-mentioned catoptron constitutes with the good metal of heat conductivity.In addition, the good metal of so-called heat conductivity of the present invention is meant to have high thermotolerance, and is the high material of pyroconductivity, for example, and aluminium, copper, magnesium or comprise at least a alloy of these metals etc.
And, it is characterized in that, be provided with heat liberation board at the outstanding outside lead rod of side's sealing from this high-voltage mercury discharging lamp of the open side that is disposed at this catoptron.
Also have, it is characterized in that this heat liberation board is made of the material with flexibility.
Moreover, display device of the present invention, make the light transmission optical element portion that radiates from light supply apparatus, throwed by the spatial modulation element, above-mentioned light supply apparatus comprises: by the discharge vessel that has sealed luminescent substance in the discharge space of the pair of electrodes with subtend configuration with from the outstanding high-voltage mercury discharging lamp that a pair of sealing constituted of this discharge vessel; Wrap this high-voltage mercury discharging lamp, and reflecting the reflection of light mirror that radiates from this high-voltage mercury discharging lamp; And the front glass that is disposed at the open side of this catoptron, above-mentioned display device is characterised in that, absorbs the back light absorption component that is transformed to heat to the back light of this light supply apparatus and with it from optical element portion and/or spatial modulation unit and is arranged near the front glass of these optical devices.
[effect of invention]
Invention according to claim 1 record of the present invention, when the light that radiates from the catoptron of this light supply apparatus returns in this catoptron once again, owing to absorb this back light and it is transformed to the effect of the back light absorption component of heat, this back light can not heat the sealing of this high-voltage mercury discharging lamp or the weld portion of outside lead rod and power supply etc.Also have, this back light absorption component for example constitutes with the material of so-called aluminium or copper.This back light absorption component has so-called by means of suitable selection: 1) back light is absorbed, be transformed to heat, heat release is to outside; 2) back light is absorbed, be transformed to heat, conduct to this light supply apparatus and heat release; 3) surface state of this back light absorption component for example is made as uneven surface etc., and the part of diffusion back light, the function that the light quantity that is incident to this back light absorption component is reduced.Thereby have what is called and prevent that back light from causing that the temperature of sealing portion rises, eliminate the advantage of the undesirable condition of hardware in the oxidation sealing portion etc.
Also have, in the invention of claim 2 record of the present invention, by means of the heat release heat radiator that is arranged at this back light absorption component, has the so-called advantage of easily this back light absorption component that the light that returns this light supply apparatus once again is transformed to heat being cooled off itself.
And, invention according to claim 3 record of the present invention, owing to possess diffusion function or absorption function on the surface of this back light absorption component, therefore the effect of the heating that causes except the back light that suppresses to sealing portion also has what is called to prevent the advantage of this back light absorption component of superheated itself.
According to the invention of claim 4 record of the present invention, owing to constitute this catoptron, therefore have by reflected light absorption component absorption reflected light with the good metal of heat conductivity, can effectively discharge the advantage of the heat that is produced.At this, use the good material of heat conductivity at the body portion of the catoptron that constitutes with metal, for example be provided with the visible-light reflector member that constitutes by dielectric multilayer film etc. in the reflecting surface side of this matrix.In addition, the good metal of so-called in the present invention heat conductivity is meant aluminium, copper, magnesium or comprises at least a alloy of these metals etc.These metals have high thermotolerance, and are the high material of pyroconductivity.
Also have, invention according to claim 5 record of the present invention, from the outstanding outside lead rod of side's sealing of this high-voltage mercury discharging lamp heating plate is being set, therefore the temperature that has the outside lead rod of so-called conduction that reduces origin self discharge container or radiation heating can reduce the advantage of the bad phenomenon such as oxidation of the metal material that is disposed at sealing.
And, invention according to claim 6 record of the present invention, because above-mentioned heat liberation board is to constitute with the material with flexibility, therefore in the time of can fully being absorbed in the lighting of this high-voltage mercury discharging lamp or when extinguishing the caused stress of thermal expansion that produces, therefore can not apply load to this high-voltage mercury discharging lamp or this catoptron, can damaged advantage so have these members.
Also have, invention according to claim 7 record of the present invention, owing to can prevent to be configured in reflections such as optical element on the display device from the light that light supply apparatus radiates, the back light that is incident to this light supply apparatus again heats sealing of this high-voltage mercury discharging lamp etc., therefore can suppress to be arranged at the caused undesirable condition of heating of this high-voltage mercury discharging lamp in the light supply apparatus on this display device, also have the advantage that can realize the stable life-span.
Description of drawings
Fig. 1 is the explanation skeleton diagram in path of the light of expression display device of the present invention.
Fig. 2 is the explanation skeleton diagram of the 2nd embodiment of expression light supply apparatus of the present invention.
Fig. 3 is the explanation skeleton diagram of the 3rd embodiment of expression light supply apparatus of the present invention.
Fig. 4 is the explanation skeleton diagram of the 4th embodiment of expression light supply apparatus of the present invention.
Fig. 5 is the explanation skeleton diagram of the 5th embodiment of expression light supply apparatus of the present invention.
Fig. 6 is an explanation skeleton diagram of representing the summary of light supply apparatus in the past.
Embodiment
Light supply apparatus of the present invention, for the optical element that prevents transmission display device not etc. and the light that is reflected on the surface of this optical element etc. converges on this high-voltage mercury discharging lamp that is disposed in this catoptron as back light, and at the front glass of this catoptron or be provided with near it and absorb this back light and be converted into heat and be discarded to outside back light absorption component.Below, use the description of drawings specific embodiment.
[embodiment 1]
According to Fig. 1 the 1st embodiment of the present invention is described.Fig. 1 is the skeleton diagram of explanation display device 16 of the present invention.This display device 16 by: light supply apparatus 15, the photolysis that will be radiated from this light supply apparatus 15 are the rotary-type color filter 11 of colour content and can allow 12 formations of optics system through the light incident of this color filter 11.In addition, though be not shown in Fig. 1, this optics system 12 for example includes: make through the uniform bar lens of the light of this color filter 12; The signal of video signal that is made of liquid crystal cell or DMD etc. generates the reflection-type spatial modulation element of usefulness; To be projected to the projection lens of display board such as screen etc. in the picture signal that this spatial modulation element constitutes.Also have, this light supply apparatus 15 that is configured in this display device 16 is by being constituted with lower member: high-voltage mercury discharging lamp 5; Wrapping the catoptron 8 of this high-voltage mercury discharging lamp 5; Engage with the head 8a of this catoptron 8 and the base portion 7 of this high-voltage mercury discharging lamp 5 of fixing; The front glass 9 that is provided with in the mode of the peristome 8b side that covers this catoptron 8; And the back light absorption component 10 that is disposed at this front glass 9.This back light absorption component 10 for example constitutes with the material of so-called aluminium or copper.Also have, this high-voltage mercury discharging lamp 5 has: the pair of electrodes 1 of subtend configuration is arranged at discharge vessel 3 in the discharge space 2 and the sealing 4 that protrudes in the two ends of this discharge vessel 3, and sealing portion 4 be by: the metal forming 6a that constitutes by the Mo that is electrically connected with this electrode 1 etc., and and the excellent 6b of outside lead of this metal forming 6a welding constituted.This back light absorption component 10 is the modes that are not incident to the metal forming 6a or the outside lead rod 6b of this high-voltage mercury discharging lamp 5 with back light, has the sufficient size that covers these parts.In the present embodiment, be Φ 70mm with respect to the diameter of for example this front glass 9, the aluminium sheet of configuration diameter of phi 7mm.
The arrow of Fig. 1 is represented the path of the light that radiated from this high-voltage mercury discharging lamp 5, particularly, from these high-voltage mercury discharging lamp 5 radiation, with catoptron 8 reflections, sees through color filter 11 and is incident to optics system 12.At this, need not see through color filter 11 or optical element 12 from the part of the light of this light supply apparatus 15 radiation, for example reflex to these light supply apparatus 15 sides as back light by back light path r (dotted arrow) from color filter 11.Because this back light is absorbed by back light absorption component 10, and be transformed to heat and be discharged from, therefore can suppress wrapping this high-voltage mercury discharging lamp 5, particularly suppress the unusual heating of this back light of this 6b of outside lead portion or metal forming 6a in this light supply apparatus 15.Also have owing to be provided with thin heat radiator 17 at the back light light incident side of this back light absorption component 10, therefore when back light absorbed by this back light absorption component 10 and be transformed to hot after, can effectively be expelled to the outside by means of this heat radiator.Moreover, if the surface of this back light absorption component 10 is made as uneven surface, can make this back light diffusion, can reduce the light that is back to this light supply apparatus.The color of enclosing black on the surface of this back light absorption component 10 also has, if can improve the absorption efficiency of back light and improve hot conversion efficiency.In addition, in the present embodiment, after absorbing back light and being transformed to heat, cool off by means of air-supply to outside cooling air etc., in the heat that this light supply apparatus side transmission utilization conduction is produced, it is all also can to cool off this light supply apparatus.
[embodiment 2]
Fig. 2 is the summary section of the 2nd embodiment of expression light supply apparatus of the present invention.This light supply apparatus 47 absorbs material 10 with back light and is arranged in the catoptron 9 in the light supply apparatus shown in the embodiment 1 16.Do not see through color filter 11 or optical element 12 etc. from the part of the light of light supply apparatus 47 radiation, and reflex to these light supply apparatus 47 sides as back light.This back light sees through front glass 25, is transformed to heat by back light absorption component 48 absorptions that are disposed at catoptron 23 inside.Be provided with on this back light absorption material 48 and be used for being maintained fixed the hold-down bars 49 that this back light absorbs material 48, an end of this hold-down bars 49 keeps being connected with lid 24 with the front glass of the peristome 23a side that is arranged on this catoptron 23.The heat that produces at this back light absorption component 48 is to be conveyed to this front glass by this hold-down bars 49 to keep usefulness to cover 24, and is expelled to the outside.The temperature of the outside lead rod 29 of this high-voltage mercury discharging lamp 22 is risen and thermolysis can be made.This back light absorbs material 48 and for example constitutes with the material of so-called aluminium or copper.Also have,, can improve the absorption efficiency of back light, and improve the conversion efficiency of heat in the color of the additional black in the surface of this back light absorption component 26.Because this back light absorption component 26 is disposed in the catoptron 23, therefore be made as diffusing surface with its surface with this back light absorption component 26 under the situation of present embodiment, the color that is not so good as the additional black in order to improve absorptivity is preferable.In addition, in the present embodiment, keep with covering 24 with metals such as aluminium formation catoptron 23 or front glass.
[embodiment 3]
Fig. 3 is the summary section of the 3rd embodiment of expression light supply apparatus of the present invention.This light supply apparatus 21 is by being constituted with lower member: high-voltage mercury discharging lamp 22; Wrapping the catoptron 23 of this high-voltage mercury discharging lamp 22; The front glass that is arranged at the peristome 23a side of this catoptron 23 keeps with covering 24; Keep this front glass to keep with the front glass 25 that covers 24; Near and the back light absorption component 26 of central authorities that is arranged at this front glass.Also have, this high-voltage mercury discharging lamp 22 is by being constituted with lower member: discharge vessel 27, the sealing of giving prominence to from this discharge vessel 27 28 and the outside lead rod 29 that is embedded in sealing portion 28 are connected with electric power supply line 30 on this outside lead rod 29.In the present embodiment, this catoptron 23 is made of the good metal of heat conductivity, for example with formation such as aluminium, is provided with heat release sheet 32 in head 31 sides of this catoptron 23.Also have, this electric power supply line 30 is to be connected with the power supply post 34 that connects insulation material 23 on this catoptron 23.Have again, be connected with heat liberation board 35, can effectively discharge the heat of this outside lead rod 29 in the outside lead rod 29 that is embedded in sealing portion 28.Also have, the light incident side at back light is formed with thin heat release with heat radiator 36 on the back light absorption component 26 of this front glass 25 being arranged at, and will be transformed to heat at the light that this back light absorption component 26 absorbs, and effectively discharges from this heat radiator 36.This back light absorption component 26 for example constitutes with the material of so-called aluminium or copper.Also have,, can make this back light diffusion, and can reduce the light that returns this light supply apparatus if the surface of this back light absorption component 26 is made as uneven surface.Also have,, and can improve the conversion efficiency of heat if the color of enclosing black on the surface of this back light absorption component 26 can improve the absorption efficiency of back light.
[embodiment 4]
Fig. 4 is the summary section of the 4th embodiment of expression light supply apparatus of the present invention.In this light supply apparatus 40, be configured in catoptron 23 in high-voltage mercury discharging lamp 22 outside lead rod 29 heat liberation boards that are connected, 41 perforation front glass 25 and be provided with, the front end of this heat liberation board 41 is connected with radiator 42.This radiator 42 for example is provided with the heat radiator that heat release is used.Also have, be provided with the back light absorption component 26 that is used for making the hole that cooling air passes through in the front of this radiator 42 in side surface direction (the last side direction of Fig. 4), because this back light absorption component 26 covers the back light that is incident to this radiator 42, so radiator 42 can not be heated on the contrary because of this back light.At this, the outside lead of this high-voltage mercury discharging lamp 22 rod 29 is because become very high temperature from heat that this high-voltage mercury discharging lamp 22 conducted, but, for example send cooling air by front glass side at this light supply apparatus 40, just can effectively cool off this back light absorption component 26 or radiator 42, prevent that these outside lead rod 29 grades are by superheated.Also have, because this heat liberation board 41 constitutes with the material with flexibility, even therefore these high-voltage mercury discharging lamp 22 thermal expansions when this high-voltage mercury discharging lamp 22 is lighted, owing to can not apply unnecessary stress, therefore can not make this high-voltage mercury discharging lamp 22 breakages to sealing portion 28 or outside lead rod 29.
[embodiment 5]
Fig. 5 is the summary section of the 5th embodiment of expression light supply apparatus of the present invention.This light supply apparatus 45 is situations that heat release sheet 46 is set on the front glass of the open side that is located at catoptron 23 keeps with lid 24.By this heat release sheet 46 is set, can effectively discharge from the heat of being conducted with the outside lead of this back light absorption component 26 or this high-voltage mercury discharging lamp 22 rod 29 heat liberation boards that are connected 35.
Claims (7)
1. a light supply apparatus comprises: by the discharge vessel that has sealed luminescent substance in the discharge space of the pair of electrodes with subtend configuration with from the outstanding high-voltage mercury discharging lamp that a pair of sealing constituted of this discharge vessel; Wrap this high-voltage mercury discharging lamp, and reflecting the reflection of light mirror that radiates from this high-voltage mercury discharging lamp; And the front glass that is disposed at the open side of this catoptron, it is characterized in that,
Near this front glass, be provided with and absorb back light and it is transformed to the back light absorption component of heat.
2. light supply apparatus as claimed in claim 1 is characterized in that, is provided with the heat radiator that heat release is used on this back light absorption component.
3. light supply apparatus as claimed in claim 1 or 2 is characterized in that, described back light absorption component has diffusion function and/or the absorption function to this back light on the surface of this back light absorption component.
4. as any described light supply apparatus in the claim 1 to 3, it is characterized in that described catoptron constitutes with the good metal of heat conductivity.
5. as any described light supply apparatus in the claim 1 to 4, it is characterized in that, be provided with heat liberation board at the outstanding outside lead rod of side's sealing from this high-voltage mercury discharging lamp of the open side that is disposed at this catoptron.
6. light supply apparatus as claimed in claim 5, wherein, described heat liberation board is made of the material with flexibility.
7. display device, make the light transmission optical element portion that radiates from light supply apparatus, throwed by the spatial modulation element, described light supply apparatus comprises: by the discharge vessel that has sealed luminescent substance in the discharge space of the pair of electrodes with subtend configuration with from the outstanding high-voltage mercury discharging lamp that a pair of sealing constituted of this discharge vessel; Wrap this high-voltage mercury discharging lamp, and reflecting the reflection of light mirror that radiates from this high-voltage mercury discharging lamp; And the front glass that is disposed at the open side of this catoptron, described display device is characterised in that,
Absorption is transformed to heat from optical element portion and/or spatial modulation unit to the back light of this light supply apparatus and with it back light absorption component is arranged near the front glass of these optical devices.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004150257 | 2004-05-20 | ||
| JP2004150257A JP2005332701A (en) | 2004-05-20 | 2004-05-20 | Light source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1700088A true CN1700088A (en) | 2005-11-23 |
Family
ID=35476207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100728325A Pending CN1700088A (en) | 2004-05-20 | 2005-05-20 | Light source device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005332701A (en) |
| CN (1) | CN1700088A (en) |
| TW (1) | TW200538823A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101896992B (en) * | 2007-12-17 | 2013-01-30 | 株式会社Orc制作所 | Discharge lamp |
| JP5825546B2 (en) * | 2011-02-25 | 2015-12-02 | 株式会社ブイ・テクノロジー | Light irradiation device for exposure equipment |
-
2004
- 2004-05-20 JP JP2004150257A patent/JP2005332701A/en not_active Withdrawn
-
2005
- 2005-02-22 TW TW094105295A patent/TW200538823A/en unknown
- 2005-05-20 CN CNA2005100728325A patent/CN1700088A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005332701A (en) | 2005-12-02 |
| TW200538823A (en) | 2005-12-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |