WO2006107011A1 - 発光ユニット、該発光ユニットを用いた照明装置及び画像読取装置 - Google Patents
発光ユニット、該発光ユニットを用いた照明装置及び画像読取装置 Download PDFInfo
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- WO2006107011A1 WO2006107011A1 PCT/JP2006/307026 JP2006307026W WO2006107011A1 WO 2006107011 A1 WO2006107011 A1 WO 2006107011A1 JP 2006307026 W JP2006307026 W JP 2006307026W WO 2006107011 A1 WO2006107011 A1 WO 2006107011A1
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- Prior art keywords
- light emitting
- light
- emitting element
- emitting unit
- element substrate
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
- H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
- H04N1/0318—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light-source, a lens array and a photodetector array which are supported by a single-piece frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/02835—Using a single or a few point light sources, e.g. a laser diode in combination with a light guide, e.g. optical fibre, glass plate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
- H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
- H04N1/0311—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors using an array of elements to project the scanned image elements onto the photodetectors
- H04N1/0312—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors using an array of elements to project the scanned image elements onto the photodetectors using an array of optical fibres or rod-lenses
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
- H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
- H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
- H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
- H04N2201/03108—Components of integral heads
- H04N2201/03112—Light source
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
- H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
- H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
- H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
- H04N2201/0315—Details of integral heads not otherwise provided for
- H04N2201/03158—Heat radiator
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
- H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
- H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
- H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
- H04N2201/0315—Details of integral heads not otherwise provided for
- H04N2201/0317—Shape
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
- H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
- H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
- H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
- H04N2201/0315—Details of integral heads not otherwise provided for
- H04N2201/03183—Material
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
- H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
- H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
- H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
- H04N2201/0315—Details of integral heads not otherwise provided for
- H04N2201/03195—Coating, e.g. light adsorbing layer
Definitions
- the present invention relates to a light emitting unit, a lighting 'automobile' industrial device incorporating this light emitting unit, a light emitting device and a line lighting device used in general consumer equipment, and an image reading device incorporating this line lighting device.
- An image sensor is incorporated in an image reading apparatus for reading a document, such as a facsimile machine, a copying machine, an image scanner device or the like.
- Image sensors include a contact type and a reduction type, both of which include a line illumination device that illuminates the document surface linearly over the main scanning range.
- a line illumination device using a light guide is known.
- JP-A-8-163320 and JP-A-10-126581 disclose a line illumination device using a rod-shaped or plate-shaped light guide and image reading using the same.
- a take-off device is described.
- the line illuminating device includes a light guide that emits light incident from an end surface force on an inner surface while reflecting the incident light on the inner surface, and a light emitter provided on the end surface side of the light guide.
- the light unit and power are also configured.
- Fig. 14 shows a front view of a conventional light emitting unit
- Fig. 15 shows a perspective view of a conventional line illumination device.
- the light-emitting unit 20 includes a light-emitting element substrate frame material 21 having a lead frame 22 and a light-emitting element 23a.
- the lead frame 22 is connected to the lead terminal portion 22a, which is an external connection terminal, the inner lead portion 22c, and the light emitting element mounted in the opening window.
- the light emitting element is bonded to the lead frame exposed in the opening window, the electrode of the light emitting element and the lead frame are connected by a metal wire 24, and the opening window is sealed with a transparent resin.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-023525
- Patent Document 2 Japanese Patent Laid-Open No. 1136449 Disclosure of the invention
- the quality of the read image can be improved by increasing the luminance of the illumination light of the illuminating device.
- the energization current of the light emitting unit is increased. It is necessary to increase the amount of emitted light.
- the junction temperature rises simultaneously with light emission (heat is emitted from the light emitting element itself).
- the generated heat escapes to the light emitting element substrate side and is finally dissipated into the air, so the rise in junction temperature depends on the heat dissipation characteristics of the light emitting element substrate and is approximately proportional to the current flow. That is, if the heat dissipation characteristics of the substrate used in the light emitting unit are good, the rate of increase in junction temperature is small.
- a lead frame 22 is disposed on a light emitting element substrate frame member 21 made of resin, and light emitting elements 23a, 23b, and 23c are mounted on the lead frame.
- a resin substrate instead of housing the metal lead frame in the resin frame material, an electrode is provided on a metal substrate with high thermal conductivity, and the resin frame material is provided only on the surface of the metal substrate to improve heat dissipation performance.
- the electrode 27 is provided on the metal substrate 28, it is necessary to provide the electrode 27 on the insulating resist 281.
- This insulation resist 281 has thermal conductivity Therefore, there is a problem that the heat of the light emitting element 23 is not efficiently transmitted to the metal substrate 28 and sufficient heat dissipation performance cannot be obtained.
- the present invention provides a light emitting element, a light emitting element substrate for mounting the light emitting element, a light emitting element substrate frame member having an opening window for exposing the light emitting element, A light-emitting unit including an electrode for supplying power to the light-emitting element, wherein the light-emitting element substrate is a metal, and the light-emitting element is directly mounted on the light-emitting element substrate.
- the light emitting element substrate is a metal
- a metal oxide film is provided on the light emitting element substrate
- the light emitting element is formed on the metal oxide film.
- the light emitting unit is mounted on the electrode.
- the metal oxide film is preferably an acid aluminum film.
- the present invention is a rod-shaped illumination device using the light-emitting unit, wherein light incident from the light-emitting unit provided on the end surface side in the length direction of the rod-shaped light guide is reflected by the inner surface of the rod-shaped light guide.
- the illumination device is configured to emit the exit surface force provided along the length direction.
- the present invention is a plate-like illumination device using the light-emitting unit, wherein light incident from a light-emitting unit provided on a side surface in the thickness direction of the plate-like light guide is reflected on the inner surface of the plate-like light guide. It is an illuminating device in which the upper or lower surface force of the plate-like light guide is emitted.
- the present invention is characterized in that the above-described illumination device, a line image sensor, and an optical system for converging reflected light or transmitted light from a document on the line image sensor are incorporated in a housing.
- An image sensor and an image reading apparatus incorporating the image sensor are incorporated in a housing.
- the light-emitting element can be directly mounted on the substrate, heat generated by the light-emitting element having the junction force can be efficiently released to the substrate, and a high current can flow.
- the metal oxide film is provided as the insulating film on the metal substrate, it is possible to flow a high current with better heat dissipation efficiency than the conventional resin resist film.
- the heat dissipation performance is not sufficient. Can't raise the flow. Therefore, even if the size is increased, only the same current as that of the small unit can be passed.
- the heat dissipation performance of the substrate used in the light emitting unit can be improved. It is possible to provide a lighting device with high illuminance.
- FIG. 1 is a cross-sectional view of an image reading apparatus incorporating a line illumination device according to the present invention.
- FIG. 3 is a perspective view showing an example of a light scattering pattern formed on the back surface of the light guide.
- FIG. 4 is a front perspective view of the light emitting unit of the present invention.
- FIG. 5 is a side sectional view of the light emitting unit of the present invention.
- FIG. 6 is a partial sectional view of the light emitting unit of the present invention.
- FIG. 7 is a partial sectional view of a light emitting unit according to another embodiment of the present invention.
- FIG. 9 is a perspective view of a lighting device using the light emitting unit of the present invention.
- FIG. 11 is a sectional view showing another embodiment of the image reading apparatus.
- FIG. 12 Exploded perspective view of the lighting device incorporated in FIG.
- FIG. 15 is a perspective view of a conventional line lighting device.
- FIG. 1 is a cross-sectional view of an image reading apparatus incorporating a line illumination device
- FIG. 2 is an exploded perspective view of the line illumination device
- FIG. 3 is a perspective view showing an example of a light scattering pattern formed on the back surface of the light guide. is there.
- the image reading apparatus is also configured with an image sensor, a glass plate, a housing for housing them, and a force.
- the image sensor has each recess la, lb, 1 in the frame 1 of the image sensor. c is formed, the line illumination device 10 is disposed in the recess lc, and the sensor substrate 4 having the photoelectric conversion element (line image sensor) 3 is attached to the recess lb. Hold the rod lens array 5.
- a glass plate 2 is provided on the upper part of the frame 1.
- the light emitted from the exit surface l ib of the line illumination device 10 is applied to the original G through the glass plate 2, and the reflected light of the original G force is photoelectrically transmitted through the lens array 5 of the erecting equal-magnification imaging system.
- the original G is read by detecting with the conversion element (line image sensor) 3.
- the conversion element line image sensor
- a rod lens array, a flat microlens array, or the like can be used as the erecting equal-magnification imaging system.
- the image sensor frame 1 is moved with respect to the glass plate 2 in the sub-scanning direction of FIG.
- the method of attaching the light emitting unit 20 to the transparent light guide 11 is as follows. A concave portion or a convex portion corresponding to the transparent light guide 11 and the light emitting unit 20 is provided, and the concave portion and the convex portion are fitted.
- the transparent light guide 11 and the light emitting unit 20 may be attached so as to be in close contact with each other, or may be attached at a certain distance so as to form a gap. The amount of light emitted to the light guide can be adjusted according to the mounting distance.
- the line illuminating device 10 is loaded with the light guide 11 on the white light guide case 12 so that the exit surface l ib is exposed, and at one end of the light guide case 12 A light emitting unit including one or a plurality of light emitting elements (for example, light emitting diodes) 23 is attached as a light source.
- the light guide 11 is made of a light-transmitting material such as glass or acrylic, and the cross-sectional shape in the direction perpendicular to the main scanning direction (longitudinal direction) is a rectangular basic shape, and a surface 11a and a side surface provided with a scattering pattern l
- the corners formed by ib and the corners formed by surfaces 11a and 11c are chamfered.
- a light scattering pattern 20 for diffusing light from a light source that also has an incident surface force forms screen printing of white paint or unevenness. And so on.
- the line lighting device 10 introduces light from the light source into the light guide 11 from one end (incident surface) of the light guide 11, and forms light propagating in the light guide 11 on the back surface of the light guide.
- the scattered light is scattered by the light scattering pattern 20, and the scattered light is emitted from the emission surface l ib.
- the light source power is increased. Accordingly, the intensity of light is reduced. Therefore, as shown in FIG. 3, the light scattering pattern formation region is increased as the incident surface force increases, so that the light emitted from the emission surface l ib is uniform over the entire length in the main scanning direction. .
- the light guide 11 is covered with the light guide case 12 to protect the light guide 11 and scattered light is unnecessarily emitted outside the light guide. This increases the intensity of the emitted light.
- FIG. 4 is a front perspective view of the light emitting unit
- FIG. 5 is a side sectional view of the light emitting unit.
- an electrode 27 is provided on a metal substrate 28, and light emitting elements 23 (23a, 23b, 23c) are placed on the electrode. Electric power is supplied to the light emitting element 23 through the electrode 27.
- the light emitting element 23a is blue, 23b is red, and 23c is green.
- the metal substrate 28 is covered with a frame member 29 having an opening window 21 a for exposing the light emitting element 23.
- the material of the frame member 29 is preferably white resin to facilitate reflection of light.
- the inside of the opening window 21a is sealed with a transparent resin 25.
- the metal substrate one having a high thermal conductivity is preferable. For example, aluminum, copper, silver, gold, stainless steel and the like can be used.
- FIG. 6 is an enlarged partial sectional view of a portion A in FIG.
- the light emitting element 23 is directly placed on the metal substrate 28, and an insulating resist film 281 and an electrode 27 are provided in a portion other than the light emitting element 23.
- the light emitting element 23 is bonded onto the metal substrate 28 with a conductive paste or a resin adhesive.
- the light emitting element 23 is electrically connected to the electrode 27 by a metal wire 24.
- the light emitting element is bonded to the metal substrate using conductive paste, but when power supply from the metal wire is sufficient, the light emitting element is made of metal using a transparent adhesive. It is preferable to adhere to the substrate. This is because using a transparent adhesive makes it easier for light to be reflected and allows effective use of emitted light.
- a conductive paste is used for the red light emitting element 23b
- a transparent resin adhesive is used for the blue light emitting element 23a and the green light emitting element 23c.
- FIG. 7 is an enlarged partial sectional view of a light emitting unit showing another embodiment of the present invention.
- a metal oxide film layer 282 On the metal substrate 28, a metal oxide film layer 282, an electrode 27, and a light emitting element 23 are provided in this order.
- the light emitting element 23 is electrically connected to the electrode 27 by a metal wire 24.
- the metal oxide film layer 282 functions as an insulating layer. Use a metal oxide film layer with high thermal conductivity It is preferable.
- the surface can be treated with white alumite to form a metal oxide film. The reason for the white color is that light from the light emitting element can be reflected, and the emission efficiency can be increased.
- FIG. 8 is a connection diagram of light emitting elements in the light emitting unit.
- Figure 8 shows an example of a line illumination device for color reading.
- the light emitting elements 23 mounted in the light emitting unit 20 depending on the purpose of reading.
- the light emitting unit 20 When the light emitting unit 20 is energized, the light emitting element 23 emits light. Increasing the energization current increases the light emission luminance.
- FIG. 9 is a perspective view showing an illumination device incorporating a light emitting unit equipped with a large light emitting element.
- a large light-emitting unit as shown in Fig. 10 (D)
- the area of the upper part of the opening window of the light-emitting element substrate frame material becomes larger than the area of the incident end face of the rod-shaped light guide. 10
- it is desirable to adjust the opening area by filling the colored window 26 with high brightness into the opening window.
- FIG. 11 is a cross-sectional view showing another embodiment of the image reading device
- FIG. 12 is an exploded perspective view of the illumination device incorporated in FIG. 11, and the image reading device shown in FIG.
- the illumination device 30 is placed on the OHP original G or the like so that the transmitted light of the original G can be read by the photoelectric conversion element 3.
- the frame 1 is moved with respect to the glass plate 2 to read a desired area of the original G.
- the light emitting unit 20 is attached to the side surface in the thickness direction of the plate-shaped light guide 31 made of transparent acrylic resin, and the plate-shaped light guide 31 is stored in the white case 32.
- a white reflecting plate 33 is provided on the upper surface serving as the reflecting surface, and a diffusion sheet 34 is provided on the lower surface serving as the emitting surface.
- the illumination device of the present invention can also be used for a reduced image sensor.
- the image reading device 9 using the reduction type image sensor 8 illuminates a document placed on a transparent document table such as glass with a lighting device 10 and reflects light reflected from the document surface to a mirror 7. Reflected in Then, the light is converged by the lens 6 and detected by the photoelectric conversion element 3.
- the image sensor unit may mean only the photoelectric conversion element 3. Force The image sensor in this specification is an illumination device, mirror, photoelectric conversion in the reduction type image sensor. It means a part composed of elements and lenses.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/887,877 US20090034296A1 (en) | 2005-04-04 | 2006-04-03 | Light Emitting Unit, Illumination Device Using Such Light Emitting Unit, and Image Scanner |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2005-107060 | 2005-04-04 | ||
JP2005107060 | 2005-04-04 | ||
JP2006071326A JP2006313321A (ja) | 2005-04-04 | 2006-03-15 | 発光ユニット、該発光ユニットを用いた照明装置及び画像読取装置 |
JP2006-071326 | 2006-03-15 |
Publications (1)
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WO2006107011A1 true WO2006107011A1 (ja) | 2006-10-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/307026 WO2006107011A1 (ja) | 2005-04-04 | 2006-04-03 | 発光ユニット、該発光ユニットを用いた照明装置及び画像読取装置 |
Country Status (5)
Country | Link |
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US (1) | US20090034296A1 (ja) |
JP (1) | JP2006313321A (ja) |
KR (1) | KR20070117707A (ja) |
TW (1) | TW200704147A (ja) |
WO (1) | WO2006107011A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009086488A (ja) * | 2007-10-02 | 2009-04-23 | Rohm Co Ltd | 線状光源装置、およびイメージセンサモジュール |
JP4506823B2 (ja) * | 2007-12-06 | 2010-07-21 | 三菱電機株式会社 | 画像読取装置 |
JP2010021983A (ja) * | 2007-12-21 | 2010-01-28 | Rohm Co Ltd | 導光体、導光体の製造方法、および画像読取装置 |
WO2010146903A1 (ja) * | 2009-06-15 | 2010-12-23 | シャープ株式会社 | 発光モジュール、照明装置、表示装置、およびテレビ受像装置 |
KR20120101290A (ko) * | 2009-06-26 | 2012-09-13 | 후지필름 가부시키가이샤 | 광반사 기판 및 그 제조 방법 |
JP5312368B2 (ja) * | 2010-02-16 | 2013-10-09 | 富士フイルム株式会社 | 金属複合基板およびその製造方法 |
JP5024417B2 (ja) * | 2010-04-21 | 2012-09-12 | 三菱電機株式会社 | 画像読取装置 |
KR101241447B1 (ko) * | 2011-08-03 | 2013-03-11 | 장종진 | 발광 다이오드 패키지 및 그의 제조 방법 |
JP5435085B2 (ja) * | 2012-06-06 | 2014-03-05 | 三菱電機株式会社 | 画像読取装置及び照明装置 |
US9484309B2 (en) * | 2012-08-06 | 2016-11-01 | Sharp Kabushiki Kaisha | Light emitting device and method for manufacturing light emitting device |
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TW567714B (en) * | 2001-07-09 | 2003-12-21 | Nippon Sheet Glass Co Ltd | Light-emitting unit and illumination device and image reading device using light-emitting unit |
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CN100352069C (zh) * | 2002-11-25 | 2007-11-28 | 松下电器产业株式会社 | Led照明光源 |
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- 2006-03-15 JP JP2006071326A patent/JP2006313321A/ja not_active Withdrawn
- 2006-04-03 US US11/887,877 patent/US20090034296A1/en not_active Abandoned
- 2006-04-03 KR KR1020077025582A patent/KR20070117707A/ko not_active Application Discontinuation
- 2006-04-03 WO PCT/JP2006/307026 patent/WO2006107011A1/ja active Application Filing
- 2006-04-04 TW TW095111935A patent/TW200704147A/zh unknown
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JPS63107483U (ja) * | 1986-12-29 | 1988-07-11 | ||
JPH11136449A (ja) * | 1997-10-28 | 1999-05-21 | Techno Philos Kk | 棒状照明装置用光源ユニット |
JPH11298048A (ja) * | 1998-04-15 | 1999-10-29 | Matsushita Electric Works Ltd | Led実装基板 |
JP2003023525A (ja) * | 2001-07-09 | 2003-01-24 | Nippon Sheet Glass Co Ltd | 発光ユニット及びこの発光ユニットを用いた照明装置及び画像読取装置 |
JP2004228170A (ja) * | 2003-01-20 | 2004-08-12 | Matsushita Electric Works Ltd | 配線板及び発光装置 |
JP2005050838A (ja) * | 2003-07-29 | 2005-02-24 | Citizen Electronics Co Ltd | 表面実装型led及びそれを用いた発光装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2006313321A (ja) | 2006-11-16 |
KR20070117707A (ko) | 2007-12-12 |
US20090034296A1 (en) | 2009-02-05 |
TW200704147A (en) | 2007-01-16 |
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