WO2000014813A1 - Dispositif dote de moyens de communication optiques - Google Patents
Dispositif dote de moyens de communication optiques Download PDFInfo
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- WO2000014813A1 WO2000014813A1 PCT/JP1999/004664 JP9904664W WO0014813A1 WO 2000014813 A1 WO2000014813 A1 WO 2000014813A1 JP 9904664 W JP9904664 W JP 9904664W WO 0014813 A1 WO0014813 A1 WO 0014813A1
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/12—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12004—Combinations of two or more optical elements
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/43—Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02162—Coatings for devices characterised by at least one potential jump barrier or surface barrier for filtering or shielding light, e.g. multicolour filters for photodetectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/10—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by potential barriers, e.g. phototransistors
- H01L31/101—Devices sensitive to infrared, visible or ultraviolet radiation
- H01L31/102—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier
- H01L31/105—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier the potential barrier being of the PIN type
- H01L31/1055—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier the potential barrier being of the PIN type the devices comprising amorphous materials of Group IV of the Periodic Table
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/12—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
- H01L31/16—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the semiconductor device sensitive to radiation being controlled by the light source or sources
- H01L31/167—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the semiconductor device sensitive to radiation being controlled by the light source or sources the light sources and the devices sensitive to radiation all being semiconductor devices characterised by potential barriers
- H01L31/173—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the semiconductor device sensitive to radiation being controlled by the light source or sources the light sources and the devices sensitive to radiation all being semiconductor devices characterised by potential barriers formed in, or on, a common substrate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K65/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element and at least one organic radiation-sensitive element, e.g. organic opto-couplers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/06—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers
- H01L31/075—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PIN type, e.g. amorphous silicon PIN solar cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/548—Amorphous silicon PV cells
Definitions
- the present invention relates to an apparatus provided with a light transmitting means.
- a predetermined element is connected to a predetermined element by electric wiring, and information is transmitted only by an electric signal to drive a circuit. I have.
- the conventional device in Chapter 3 has a drawback that the signal is delayed due to the capacitance and electric resistance associated with the electric wiring (wiring).
- heat is generated due to wiring resistance.
- An object of the present invention is to provide an optical transmission means of a method different from a method of transmitting information by an electric signal, in particular, an apparatus provided with an optical transmission means capable of increasing the degree of integration and high speed.
- the present invention provides the following devices (1) to (21).
- a light emitting section having at least one light emitting element formed of a thin film, a light receiving section having at least one light receiving element formed of a thin film, and guiding light from the self-illuminating section to the light receiving section.
- a device provided with a light transmitting means, wherein the light transmitting means comprises an integrated light guide.
- An apparatus provided with the light transmitting means according to (1), wherein the tiri self-light emitting unit, the knitting self-light receiving unit, and the dni self-guide are provided in at least one dimension.
- the three-light-emitting part, the self-light-receiving part and the mi3 guide are installed in the two-dimensional direction, and are provided with the light transmission means according to (1).
- a device provided with the light transmitting means according to (1), wherein the three light-emitting parts, the self-light receiving part, and the Hifl self-guide are arranged in a three-dimensional direction.
- An apparatus provided with the light transmitting means according to the above (5) which has a structure in which a layer having at least one of a self light emitting portion, a self light receiving portion, and a third light guide is laminated.
- An apparatus comprising the light transmitting means according to any one of (1) to (10), wherein the light emitting element is an organic EL element.
- optical filter described in (12) above, wherein the optical filter is a distributed reflection type multilayer mirror formed by laminating a plurality of thin films having different refractive indices.
- An apparatus comprising the light transmitting means according to any one of (1) to (13), wherein at least one thin film constituting the light receiving element is formed by patterning by an ink jet method.
- a predetermined circuit block of the plurality of circuit blocks is connected by the light guide path, and between the circuit blocks, a signal is transmitted and received by light via the light guide path.
- An apparatus comprising the light transmitting means according to the above (20).
- FIG. 1 is a diagram schematically showing a main part of an apparatus provided with an optical transmission means according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view showing an example of the structure of ⁇ using an organic EL element as a light-emitting element and an example of the structure of a conductor in the present invention.
- FIG. 3 is a diagram for explaining a method of an organic EL device by inkjet printing.
- FIG. 4 is a cross-sectional view showing a configuration example when a PIN photodiode is used as a light receiving element in the present invention, and a configuration example of a conductor.
- FIG. 5 is a circuit diagram illustrating a configuration example of an amplifier circuit according to the present invention.
- FIG. 6 is a circuit diagram showing another configuration example of the amplifier circuit according to the present invention.
- FIG. 7 is a block diagram illustrating another configuration example of the amplifier circuit according to the present invention.
- Fig. 8 is a circuit diagram showing an example of the configuration of the sobiki in the present development.
- FIG. 9 is a diagram schematically showing a main part of an apparatus provided with a light transmitting means according to another embodiment of the present invention.
- FIG. 10 is a cross-sectional view illustrating a configuration example of a light emitting element and a configuration example of a semiconductor according to the present invention.
- FIG. 11 is a cross-sectional view illustrating a configuration example of a light receiving element and a configuration example of a light guide path according to the present invention.
- FIG. 12 is a cross-sectional view taken along line AA in FIG.
- FIG. 13 is a diagram schematically showing a main part of an apparatus provided with a light transmitting means according to still another embodiment of the present invention.
- FIG. 14 is a view schematically showing a main part of an apparatus provided with a light transmitting means according to still another embodiment of the present invention.
- FIG. 1 is a diagram schematically showing a main part of a first embodiment of an apparatus provided with a light transmitting means of the present invention.
- a light emitting element 3 and a drive circuit for driving the light emitting element 3 are provided on the substrate 2.
- the light emitting element 3 the respective elements constituting the circuit for sending out the signal including the driving circuit and its wiring, the conductor 4, the light receiving element 5, the amplification circuit
- the respective elements constituting the circuit for sending out the signal including the driving circuit and its wiring, the conductor 4, the light receiving element 5, the amplification circuit
- Examples of the material include various types of glass, Si single crystal, ceramics, and quartz.
- the light emitting element 3, the guide 4 and the light receiving element 5 are partially or entirely formed of a thin film.
- Knitting 3 Light-emitting element is constituted by light-emitting element 3 t
- Light-receiving section is constituted by self-light-receiving element 5
- light transmission means is constituted by self-light-emitting element 3, conductor 4 and light-receiving element 5.
- the light emitting element 3 in the device for example, an organic EL element can be used, and as the light receiving element 5, for example, a photodiode can be used.
- FIG. 2 is a cross-sectional view showing an example of a configuration in which an organic EL element is used as the light emitting element 3 in the structure shown in FIG.
- the organic EL element 3a is composed of a transparent 31, a light emitting layer (organic EL layer) 32, an SI 333, and a partition wall (bank) that also serves as a light shielding portion and a wall for preventing ink spreading. 3) It consists of 4.
- the organic EL element T.3a is installed on a light guide 4 to be described later.
- the structure of the organic EL element 3a will be specifically described.
- the partition wall 34 is formed on the SiO 2 layer 43 of the conductor 4 described later. Further, the transparent tt31 and the light emitting layer 32 are formed inside the partition wall 34, respectively. In this case, a transparent layer 31 is formed on the Si 2 layer 43, and a light emitting layer 32 is formed on the transparent ⁇ layer 31. Then, a ⁇ S electrode 33 is formed on the wall 3 4 and the light emitting layer 32 of the knitting 3.
- the transparent 1 is composed of, for example, ITO. Further, the thickness of the transparent layer 31 is preferably about 50 to 500 nm.
- the light-emitting layer 32 uses an organic light-emitting material as a light-emitting substance, and has a high degree of freedom in selecting the emission wavelength. In fact, by selecting a specific material or by combining materials, any length can be obtained. It is possible to select the wavelength of light.
- the energy of excitons in the light-emitting material is The one corresponding to the energy difference between HOMO (highest occupied level) and LUMO (lowest vacant level) corresponding to the width is selected.
- a low molecular weight, a high molecular weight, particularly a conjugated polymer, a conductive high molecular weight, and a dye molecule, which have developed a pirate system in ii, are selected.
- organic light emitting material for example, to emit blue light, anthracene, PPCP, Zn (OxZ) 2 , distilbenzene (DSB), a derivative thereof (PESB) and the like are used.
- organic light emitting material for example, to emit blue light, anthracene, PPCP, Zn (OxZ) 2 , distilbenzene (DSB), a derivative thereof (PESB) and the like are used.
- DSB distilbenzene
- PESB a derivative thereof
- green light for example, Alq 3 , coronene, or the like is used.
- BPPC perylene, DCM, or the like is used.
- a polymer organic light emitting material is used as the organic light emitting material.
- PAT or the like is used for emitting red light
- MEH-PPV or the like is used for emitting orange light
- PDAF is used for emitting blue light.
- FP_PPP, RO-PPP, PPP, etc. To emit purple light, PMPS etc. are used.
- PPV poly (N-vinylcarbazole)
- PPS poly PNPS
- PBPS PBPS
- PVK can change the emission wavelength (emission color) by controlling the mixing concentration and the number of ejections of a dopant ink such as a dye molecule having a poor carrier transport ability such as a u complex.
- the emission color can be adjusted by applying a fluorescent dye to an organic light-emitting material made of PVK.
- TPB 1,1,4,4-tetraphenyl-1,3,1-butadiene
- coumarin 6, and DCM 1 dyes are doped into PVK
- the emission color becomes blue, green, or orange, respectively.
- a wide spectrum can be obtained by simultaneously doping three kinds of dyes into PVK.
- rhodamine B or DCM is configured to be doffable in the PPV, the emission color can be arbitrarily changed from green to red.
- the precursor itself of the conjugated polymer organic compound that mainly forms the light emitting layer 32, or the precursor and a fluorescent dye or the like for changing the light emission customization of the light emitting layer 32 are dissolved in a predetermined amount.
- the dispersed fiber for the organic EL device composition for the light emitting layer 32
- the precursor in the composition for the organic EL device is highly concentrated. It is formed of a daggered thin II Mo (solid thin moon Mo).
- a soluble conjugated polymer itself organic super certain, or a ⁇ polymer, set formed of a fluorescent dye or the like for changing the emission characteristic of the light-emitting layer 3 2 is dissolved in an organic solvent It is a thin film of a polymer obtained by drying or heating a product (a thread material for the light emitting layer 32).
- the thickness of the light emitting layer 32 is preferably about 50 to 500 nm.
- a 1 —Li or the like is used for ⁇ J1S1133. Further, it is preferable that the thickness of 333 is about 10 to 500 nm.
- the partition wall 34 for example, polyimide, SiO 2 or the like is used.
- the thickness of the P 34 wall is preferably larger than the total thickness of the transparent ⁇ 31 and the light emitting layer 32.
- a transmission-side circuit including a drive circuit (not shown) for driving the organic EL element 3a is provided on the substrate 2 shown in FIG. 1.
- a predetermined voltage is applied between the transparent S31 and ⁇ 3 from the self-driving circuit, electrons and holes (holes) are injected into the light emitting layer 32. They move and recombine in the light-emitting layer 32 due to the electric field generated by the applied voltage.
- Exciton is generated by this recombination, and this exciton emits energy (fluorescence or phosphorescence) when returning to the base. That is, it emits light.
- EL emission Such a phenomenon is called EL emission.
- the S3 ⁇ 4i method of the organic EL element 3a will be described.
- the organic EL element 3a having the structure shown in FIG. 2 is manufactured by inkjet printing.
- the manufacturing method by ink jet printing is a method of discharging a predetermined composition (discharge liquid) from a head by an ink jet method, thereby forming a predetermined thin film (layer) material into a pattern and solidifying it. To make a thin film.
- a method for producing the organic EL device 3a by ink jet printing will be specifically described with reference to FIG.
- the partition wall 34 is formed by, for example, photolithography.
- the prepared object for the transparent HS31 is prepared by the ink jet method. It is formed in a pattern on the light guide path 4. That is, a transparent object for transparent 1 is ejected from the nozzle 90 of the inkjet head to form a predetermined pattern. Then, the composition for the transparent electrode 31 on which the pattern has been formed is added and cured to form a transparent film 31.
- an object for the light emitting layer 32 prepared in advance is patterned by an ink jet method. That is, from the nozzle 100 of the inkjet head to the light emitting layer
- a predetermined pattern is formed by discharging an object for 32. Then, the layer 320 of the composition for the light-emitting layer 32 on which the pattern is formed is subjected to a heat treatment, so that the precursor of the conjugated polymer ( ⁇ ) in the layer 320 is highly doped. That is, the layer 320 is solidified to form the light emitting layer 32.
- a step 33 is formed by, for example, sputtering or vapor deposition to obtain an organic EL element 3a having a structure shown in FIG.
- the ink jet method fine printing can be performed easily, in a short time, and accurately.
- the film thickness can be easily and accurately adjusted by increasing or decreasing the discharge amount of the object, it is possible to easily and freely control the properties of the film, the coloring ability, and the coloring ability such as luminance. it can.
- the organic EL element 3a having the desired characteristics and the characteristics and characteristics of the element are integrated on the fiber 2, especially a fine element such as a TFT (thin film transistor) circuit or a single crystal Si-based IC. It can be easily formed on the substrate 2 which is in use.
- a fine element such as a TFT (thin film transistor) circuit or a single crystal Si-based IC. It can be easily formed on the substrate 2 which is in use.
- the light guiding path 4 the Si0 2 layer 41, the Si0 2 layer 43, which consists of the ITO layer 42 provided between the Si0 2 layer 41 and the Si0 2 layer 43 .
- the age is Si0 2 layer 41 force s formed on the substrate 2.
- the thickness of the Si ⁇ 2 layer 41 is 50 nn! It is preferably about 10 to about 10 m. ITO layer
- the thickness of 42 is preferably about 30 nm to 10 m.
- the thickness of S i0 2nd layer 43 is 50 nn! It is preferable to be about 10 m.
- the light guide path 4 includes at least the organic EL element 3 a (light emitting element It extends from 3) to a PIN photodiode 5a (light receiving element 5) described later, and guides light from the organic EL element 3a to the PIN photodiode 5a.
- the fine wire 4 can be manufactured by using the method of 5 kinds of thinness!] Nasei method (CVD, PVD, etc.) and photolithography.
- the conductor can also be manufactured by ink-jet printing like the organic EL element 3a described above. That is, at least one thin film (layer) constituting the light guide path 4 can be manufactured by patterning a predetermined textile by an ink jet method and solidifying the same as in the above-described organic EL element 3a. In this case, the effect of the ink jet printing described above can be obtained.
- a PIN photodiode can be used as the light receiving element 5 in the structure shown in FIG.
- FIG. 4 is a cross-sectional view showing an example of the configuration of a field treatment using a PIN photodiode as the light receiving element 5 and an example of the configuration of the light guide 4.
- the PIN photodiode 5a has a light receiving unit window electrode 51, a p-type a_SiC layer (p-type semiconductor layer) 52, an i-type a-Si layer (semiconductor layer) 53, and an n-type a — It is composed of a SiC layer (n-type semiconducting layer) 54, an A1—Si—Cu layer 55 that also serves as an upper part of the light receiving section and wiring (electrical wiring).
- the light-receiving window 1, the p-type a—SiC layer 52, the i-type a—Si layer 53, the n-type a—SiC layer 54, and the A 1 _Si—Cu layer 55 are arranged from the bottom in FIG. This) is stacked with one drunk.
- the PIN photodiode 5a is installed on the light guide 4 so that the light receiving section window electrode 51 faces the ITO layer 42 of the light guide 4 described above. Note that the portions corresponding to the front 13 light receiving unit window 51 of the guide Shin 4, S i 0 2 layer 43 is not formed.
- the light receiving section window SS51 is made of, for example, ITO.
- the thickness of the light receiving section window 51 is preferably about 50 nm to 1 ⁇ m.
- the thicknesses of the p-type a-SiC layer 52, the i-type a-Si layer 53, the n-type a_S iC layer 54, and the Al-S i-Cu layer 55 are 50 nm and 80 nm, respectively. 0 nm, 50 nm and
- each layer of the knitting is not limited to the value of the knitting itself. That is, there is considerable variation in the thickness of each layer, and the thickness of each layer has a considerable degree of freedom.
- This PIN photodiode 5a can also be manufactured by ink jet printing like the organic EL element 3a described above. That is, at least one thin film (layer) constituting the PIN photodiode 5a is formed by patterning a predetermined object by an ink jet method and fixing the same as in the above-described organic EL element 3a. Can be manufactured. In this case, the effect of the inkjet printing described above can be obtained.
- an organic photodetecting material (organic) can be used in addition to the above-described PIN photodiode 5a.
- organic light detecting material for example, the same material as the above-described organic EL element 3a can be used. For example,? ? And Shiano? ? Mix of ⁇ ! Etc. are used.
- the input side of the amplifier circuit 6 is connected to the PIN photodiode 5a described above.
- Examples of the amplifier circuit 6 include a CMOS type digital amplifier circuit 61 having P-channel and N-channel MOS-FETs (field effect transistors) shown in FIG. 5, a bipolar transistor and a MOS-FET shown in FIG. B i—CMOS type digital amplifier circuit 62, an amplifier circuit composed of an A / D converter I 6 32 and an A / D converter 63 1 shown in FIGS. 7 and 8 etc. Are mentioned.
- the amplifying circuit 63 In the case of the amplifying circuit 63, the electric signal (analog signal) is input to the power supply 631, and its direct (signal level) power is greatly changed to A / D conversion. ⁇ ⁇ ⁇ Entered in 6 3 2. Then, the amplified signal is converted from an analog signal to a digital signal by A / D conversion ⁇ 632 and output.
- a predetermined circuit 8 is connected to the output side of the amplifier circuit 6 via a wiring 7.
- Circuit 8 for example, formed on Si single crystal Circuit with a built-in FET (field effect transistor) and a circuit with a TFT (thin film transistor).
- the transmitted (generated) electric signal is input to the driving circuit, and the driving circuit generates the organic E element 3 & (light emitting element 3) based on the electric signal. ) To emit light. As a result, an optical signal (light) is generated. That is, the organic EL element 3a is driven by the drive circuit, converts the electric signal into an optical signal (light), and transmits (transmits) the signal.
- a flow having a magnitude corresponding to the amount of received light that is, an electric signal (signal) is output (the optical signal is converted into an electric signal and output).
- the signal from the PIN photodiode 5 a is amplified by the amplifier circuit 6; the signal is input to the circuit 8 via the wiring 7.
- Circuit 8 operates based on this signal.
- information (signal) is transmitted mainly by optical communication in the device 1 in which fine elements are integrated. No heat is generated between the PIN photodiode 5a and the electrical wiring due to the resistance of the electrical wiring, thereby reducing the heat generated from the device 1.
- the organic EL element 3a, the light guide 4, the PIN photodiode 5a, etc. are formed on the substrate 2 by inkjet printing, and the productivity of the device 1 is improved. And is advantageous for mass production.
- FIG. 9 is a diagram schematically showing a main part of an apparatus provided with a light transmitting means according to another embodiment of the present invention.
- FIG. 9 is a plan view (planar arrangement of each member).
- the light-emitting portion is composed of a plurality (three in the present embodiment) of light-emitting elements 30 having different light-emitting characteristics (peak wavelength of emitted light in this embodiment).
- the light receiving section is constituted by a plurality (three in this embodiment) of light receiving elements 50 for receiving light from the corresponding light emitting element 30.
- the device 10 has an S counter 2.
- a plurality (three in this embodiment) of wiring (electrical wiring) 70 and a circuit 8 are provided respectively.
- each element constituting the tiff self-driving circuit and its wiring there are three light emitting elements 30; each element constituting the tiff self-driving circuit and its wiring; a light guide 4; three light receiving elements 50; and three amplifier circuits 60
- Each element constituting the circuit and its three west lines, three wirings 70, and each element constituting the circuit 8 and its wiring are integrated.
- anti-reflection 2 material examples include various glasses, Si single crystals, ceramics, and quartz.
- the light emitting element 30, the conductor 4, and the light receiving element 50 are partially or entirely formed of a thin film.
- the optical element 30 in this device 10 has a different peak wavelength of the emitted light.
- the peak wavelengths of the light emitted by the 33 light emitting elements 30 are ⁇ , ⁇ 2, and ⁇ 3 , respectively. It is preferable that the light input, the light input 2 and the person 3 are separated to some extent so that the light receiving element 50 can selectively receive light.
- Each light-emitting element 30 in this device 10 is constituted by changing the material and the organic material of the organic EL layer (light-emitting layer 32), and by changing the material of the film I '. be able to.
- FIG. 10 is a cross-sectional view showing a configuration example of the light emitting element 30 and a configuration example of the waveguide S ⁇ 4.
- the light emitting element 30 is composed of a transparent 31, a light emitting layer (organic EL layer) 32, a 3 ⁇ 4 @@ 3 3, and a partition wall which also serves as a light shielding portion and a wall for preventing ink spreading.
- An organic EL element 3a composed of 34 and an optical filter 35.
- the optical element 30 is provided on a guide 4 to be described later.
- the plastic wall 34 is formed on the SiO 2 layer 43 of the light guide 4 described later.
- the transparent layer 31, the light emitting layer 32 and the optical filter 35 are formed inside the partition wall 34.
- ⁇ ′ 33 is formed on the mm 34 and the light emitting layer 32.
- This ⁇ Smi level is a common electrode of each organic EL element 3a.
- the light emitting layer 32 By using organic light-emitting materials as light-emitting substances, the degree of freedom in selecting the emission wavelength is great, and virtually any wavelength can be selected by selecting a specific material or combining materials. Is possible.
- the energy of excitons in the light-emitting material should correspond to the energy difference between H OMO (highest occupied level) and L UMO (lowest vacant level) corresponding to the band gap of the organic substance. Is selected.
- low molecular weight, high molecular weight, especially, high molecular weight separated polymer, conductive high molecular weight, and dye molecule are selected.
- the materials used for the light emitting layer 32 in the organic EL device 3a having the structure shown in FIG. 2 described above can be used according to a desired wavelength.
- the wavelength of light (peak wavelength, wavelength band, etc.) obtained from the light emitting layer can be adjusted to some extent by the optical filter 35.
- a normal absorption-type optical color filter can be used as the optical filter 135, thereby allowing only light of a desired color (wavelength) to pass therethrough and forming an optical signal. can do.
- a distributed anti-smoke multilayer mirror can be used as the optical filter.
- light emitted from the organic EL element 3a usually has a wavelength band (wavelength spread) of 100 nm or more.
- this wavelength is narrowed. It is possible to increase the bandwidth (narrow the wavelength spread).
- a plurality of DBR mirrors are used, for example, a plurality of lights having different peak wavelengths and sharp peaks can be obtained from light having a wavelength band of about 100 nm.
- the peak wavelength of the optical element 30 can be set to ⁇ ,,, 2 and 3 , and peak of the optical element 3 0 be cowpea to change the optical filter 3 5 - a peak wavelength it Resona lambda,, can be set to lambda 2 Oyobie 3.
- the knitting mirror is a laminate of a plurality of thin films having different refractive indices, and in particular, a laminate having a plurality of pairs of two thin films having different refractive indices (laminated periodically).
- the constituent components of the thin film in the tulBD BR mirror include, for example, a semiconductor material and a dielectric material. Of these, a dielectric material is preferable. These can be formed using normal vacuum techniques. In addition, as a dielectric material, an organic compound that is soluble in an organic compound can be used as a starting material, which facilitates application to the pattern formation by the above-described ink jet method.
- the organic EL element 3a of the optical element 30 is formed by ink jet printing like the organic EL element 3a of the device 1 described above! You can do it. That is, at least one thin film (layer) constituting the organic EL element 3a of the optical element 30 is: As in the case of the organic EL element 3a of the device 1 described above, a predetermined composition can be formed into a pattern by an ink jet method, and the pattern can be formed. The effect of the ink-jet printing described above can be obtained for this ⁇ .
- the thin film constituting the DBR mirror (optical filter 35) of the optical element 30 can be formed by a liquid phase printing method.
- fi self-liquid sword method means that the thin film material (liquid), which dissolves or disperses the 5 constituents of the self-thin film, is used as a thin film spray (coating solution).
- each DBR mirror is manufactured by inkjet printing like the organic EL element 3a of the device 1 described above. That is, each thin film constituting each DBR mirror can be manufactured by patterning a knitted material by an ink jet method and solidifying the same as in the organic EL element 3a of the device 1 described above. In this case, the effects of the above-described inkjet printing can be obtained.
- Shirube ⁇ 4 is composed of a Si0 2 layer 41, and Si_ ⁇ 2 layer 43, an I TO layer 42 provided between the these Si0 2 layer 41 and the Si0 2 layer 43 Have been.
- the Si0 2 layer 41 is formed on the fiber 2.
- the thicknesses of the SiO 2 layer 41, the ITO layer 42, and the SiO 2 layer 43 are the same as those of the device 1 described above.
- the light guide 4 extends from at least the light element 30 to each light receiving element 50, and guides light from the light element 30 to the corresponding light receiving element 50.
- This lead 1 ⁇ 4 can be manufactured by ink jet printing like the organic EL element 3a described above. That is, at least one thin film (layer) forming the light guide path 4 is manufactured by patterning a predetermined textile by an ink jet method and solidifying the same as in the above-described organic EL element 3a. In this case, the effect of the inkjet printing described above can be obtained.
- the light receiving element 50 includes, for example, a PIN photodiode and a predetermined optical filter. It can be composed of an optical element and a predetermined optical filter similar to the device 1 described above.
- FIG. 11 is a cross-sectional view showing a configuration example of the light receiving element 50 and a configuration example of) 4.
- FIG. 12 is a cross-sectional view taken along line AA in FIG.
- each light receiving element 50 has a light receiving unit window S ⁇ 51, a p-type a-SiC layer (p-type semiconductor layer) 52, an i-type a-Si layer (semiconductor layer) 53, and an n-type a—PIN photodiode 5 a composed of SiC layer (n-type semiconductor layer) 54, Al—Si—Cu layer 55 that also serves as upper S3 ⁇ 4 and wiring (electric wire), and optical filter It is composed of 56.
- optical filters 56 the light receiving window 51, the p-type a-SiC layer 52, the i-type a-Si layer 53, the n-type a-SiC layer 54 and the Al-Si-Cu layer 55
- the layers are stacked in this order from the side.
- the optical filter 56 is formed so as to cover the light receiving unit window electrode 51.
- Each light receiving element 50 is installed on the light guide 4 such that the light receiving portion window ⁇ 51 faces the above-described I layer 42 of the light guide 4 via the optical filter 56. Note that the SiO 2 layer 43 is not formed in a portion of the light guide 4 corresponding to the tiifS light receiving unit window electrode 51.
- the structure and thickness of the light receiving unit window 1 are the same as those of the device 1 described above.
- the thicknesses of the p-type a_SiC layer 52, the i-type a_Si layer 53, the n-type a_SiC layer 54, and the Al—Si—Cu layer 55 are the same as those of the device 1 described above.
- the optical filter 56 of each light-receiving element 50 ⁇ light to selectively maximize folly only (human?, a predetermined one wavelength of lambda 2 Oyobie third light having a peak wavelength), it its optical characteristics are set.
- optical filters 56 include, for example, the above-mentioned distribution Ml smoke multilayer film mirror.
- DBR mirror can be used.
- light in a narrower wavelength band can be selected than when an optical filter is used, and the resolution in the longitudinal direction of the wavelength is increased.
- the PIN photodiode 5a of each light receiving element 50 can also be manufactured by ink-jet printing like the organic EL element 3a described above. That is, at least one thin film (layer) constituting the PIN photodiode 5a can be formed by patterning a predetermined thread material by an ink jet method and solidifying the same as in the organic EL element 3a described above. . In this case, the effects of the ink jet printing described above can be obtained.
- the thin film forming the DBR mirror (optical filter 56) of each light receiving element 50 can be formed by the above-described liquid phase method.
- each DBR mirror is manufactured by inkjet printing, like the organic EL element 3a described above. That is, it is preferable that each thin film constituting each DBR mirror be formed by patterning a knitted material by an ink jet method and solidifying the same as in the organic EL element 3a described above. The effect of the ink jet printing described above can be obtained for this symbol.
- the input side of the corresponding amplifying circuit 60 is connected to the PIN photodiode 5a of each light receiving element 50 described above.
- a predetermined circuit 8 is connected to the output side of each amplifier circuit 60 via a corresponding wiring 70.
- amplifier circuit 60 and the circuit 8 are the same as those of the device 1 described above, and a description thereof will be omitted.
- Such a device 10 and the above-described device 1 can be used, for example, in a wide range, from an LSI transistor using the state-of-the-art 0.18 TFTm rule to a transistor circuit having a 2-3 / m rule such as a TFT. It can correspond to the degree of integration.
- the organic EL element 3a of the optical element 30 is not illustrated as described above. It emits light when driven by a drive circuit. That is, each organic EL element 3a transmits (transmits) an optical signal (light).
- each organic EL element 3a transmits (transmits) an optical signal (light).
- a typical case of signal transmission in which the peak wavelength is related will be described.
- different wavelengths of light are emitted from the light emitting layer 32 of the organic light emitting element 3 & depending on the material and structure of each light emitting layer 32.
- the transparent 1 is shown, and the optical filter 35 is further narrowed down to narrower band light, the light having the peak wavelength ⁇ 2 , and the light having the wavelength ⁇ 3. It is emitted from one thirty-five.
- the light having a peak wavelength emitted from the fixed optical filter 135 and having a peak wavelength of human 1 (hereinafter referred to as “light of a specific wavelength”), that is, light having a specific wavelength obtained by passing through the optical filter 35 is S After passing through the i 0 2 layer 43, the light enters the ITO layer 42. Then, the light, after, S i 0 2 layers 4 1 and the ITO layer 4 second interface and S i 0 2 layers 4 3 and the ITO layer 4 PIN photo an ITO layer 4 within 2 while repeatedly reflected second interface Proceed towards diode 5a.
- the other two types of light emitting elements 30 emit light having peak wavelengths of humans 2 and 3, respectively, and are guided to the light receiving element 50 by the light guide path 4.
- the light is cut by the optical filter 56 of the light receiving element 50 and is not received.
- the tiilEP IN photodiode 5a outputs a current corresponding to the amount of received light, that is, an electric signal (signal) (the optical signal is converted into an electric signal and output).
- the signal from the PIN photodiode 5 a is amplified by the amplifier circuit 60 and is input to the circuit 8 via the tu-torii line 70. Circuit 8 operates based on this signal.
- the heat generated from the device 10 can be reduced, and the signal transmission ME can be greatly improved.
- the productivity of the device 10 is improved, which is advantageous for mass production.
- the device 10 includes a plurality of light-emitting elements 30 having different peak wavelengths of emitted light and a plurality of light-receiving elements 50 for receiving light (light of a specific wavelength) from the corresponding light-emitting element 30. Therefore, a plurality of pieces of information can be transmitted at the same time using the same light guide path 4 (information can be transmitted by multi-channel optical communication using the same light guide path 4). For this reason, the wiring can be simplified as compared with a device using only electric wiring. Then, the area occupied by the Nishikimi line can be reduced as compared with the device using only the electric wire, so that a device having the same function can be formed smaller. That is, the degree of integration increases.
- optical elements 30 and the respective light receiving elements 50 in the knitting 3 arrangement 10 are arranged in the horizontal direction in FIG. 9, but in the present invention, they are arranged in the vertical direction in FIG. You may.
- optical filter 35 and the optical filter 56 in the knitting 3 arrangement 10 are not limited to the DBR mirror in the present invention, and may be configured using, for example, an optical color filter or the like. .
- the optical filter 35 was omitted, and the emission characteristic I 'of the emission layer 32 of the organic EL element 3a (particularly, the peak wavelength of emitted light) was changed.
- the light emitting characteristics of the light emitting element 30 may be changed.
- the optical filter 35 is not omitted, and the light emission characteristic I ′ of the light emitting layer 32 of the organic EL element 3 a (particularly, the peak of the light to be emitted) is obtained. Wavelength).
- FIG. 13 is a schematic diagram of the device 100 having the optical transmission means of the present invention used when it is actually incorporated in a semiconductor circuit such as an LSI circuit or a TFT circuit.
- FIG. 3 is a diagram illustrating a state (a diagram illustrating a planar arrangement of members).
- circuit blocks 8 1 (A) and 8 2 (B) is installed (formed).
- the circuit block 81 includes a light emitting element 301, a driving circuit 11 for driving the light emitting element 301, a light receiving element 502, and an amplifying element 62.
- the circuit block 82 includes a light emitting element 302, a driving circuit 12 for driving the light emitting element 302, a light receiving element 501, and an amplifying element 61. ing. Knitting 3
- the light emitting element 301 is coupled to the light receiving element 501 so that light can be transmitted to the self-receiving light receiving element 501 via the conductor 401 provided on the substrate 2. Have been.
- the knitting light emitting element 302 is arranged so that light can be transmitted to the knitting 3 light receiving element 502 via the fine wire 402 set on the fiber 2. Connected to 502.
- This device 100 is capable of mutually converting an electric signal into an optical signal and transmitting / receiving the signal between a circuit block 81 and a circuit block 82 installed inside. ing. That is, the optical signal transmitted from the circuit block 81 can be received by the circuit block 82, and conversely, the optical signal transmitted from the circuit block 82 can be received by the circuit block 81. It has become.
- the same ⁇ -material as that of the device 1 described above can be used.
- the light-emitting elements 301, 302, the light-receiving elements 501, 502, and the light guides 401, 402 of the device 100 also have the same material as the device 1 described above. Alternatively, the same process as that of the device 1 described above can be applied. Also, the drive circuits 11 and 12 of the device 100 are usually each composed of an electronic circuit using a bipolar transistor, MSFET, or the like.
- this device 100 is substantially similar to that of device 1 described above, in that the power circuit blocks 81 and 82 can each transmit and receive (especially in parallel); Transmission from 8 1 to 8 2 and circuit block 8 2 to 8 1 Device 1 is different from the device 1 in that the transmission of the message (especially in parallel) can be performed.
- this device 100 only one type of light is used as light for forming an optical signal as in device 1 described above.
- the present invention is not limited to this, and as in device 100 described above. Needless to say, transmission and reception functions using a plurality of lights having different peak wavelengths may be provided. This 3 ⁇ 4 can be realized by appropriately combining the above-described device 100 and the above-described device 10.
- the device provided with the light transmitting means of the present invention can be applied to a semiconductor chip embodying a semiconductor integrated circuit of HIS, between circuit blocks in one semiconductor chip (between a predetermined circuit block and another circuit block).
- the device provided with the light transmitting means of the present invention can be used as a signal transmitting device between TFT circuits (between a predetermined TFT circuit and another TFT circuit) or a signal transmitting device between a TFT circuit and one semiconductor circuit. It can also be applied to transmission devices.
- the device provided with the light transmitting means of the present invention can be applied to a device for transmitting a signal to a flat panel display such as a liquid crystal display, a plasma display, and an organic EL display, for example, as the above-described configuration.
- a flat panel display such as a liquid crystal display, a plasma display, and an organic EL display, for example, as the above-described configuration.
- the light emitting element, the light guide, and the light receiving element are installed in a one-dimensional direction.
- the light emitting element, the light guide, and the light receiving element are installed in the two-dimensional direction (substrate). May be installed in two-dimensional directions).
- the light transmitting means may include a plurality of sets of a light emitting unit, a light receiving unit, and a light guide path.
- this apparatus semiconductor device 20 includes a first layer 20a, a second layer 20b, a third layer 20c, a fourth layer 20d, and a fifth layer 20e on the substrate 2 in this order. This is a multi-layered device that is laminated.
- the relationship between the light emitting unit 213 and the light receiving unit 227 in the fifth layer 20e is the same as the relationship between the light emitting unit and the light receiving unit of the device 1 or the device 10 described above.
- the relationship between the light emitting portion between different layers (in the direction perpendicular to the substrate 2) and the light receiving portion connected via the light emitting portion (not shown) ⁇ that is, the light emitting portion 211 and the light receiving portion 223
- This device 20 is preferably manufactured, for example, as follows.
- the first layer 20a, the second layer 20b, the third layer 20c, the fourth layer 20d, and the fifth layer 20e are respectively formed on a predetermined substrate (not shown).
- the first layer 20 a is peeled off from the BS plate by a predetermined method, and is transferred onto the substrate 2.
- the second layer 20b, the third layer 20c, the fourth layer 20d, and the fifth layer 20e are peeled off from each other, and are sequentially overlapped (transferred) while performing alignment by a predetermined method.
- a method described in Japanese Patent Application Laid-Open No. H10-125930 by the applicant can be adopted.
- the same effects as those of the device 1 and the device 10 described above can be obtained, and high integration can be easily achieved.
- the number of layers constituting the device is not limited to five, and may be, for example, two to four, or six or more.
- the light emitting element is configured by an organic EL element.
- the light emitting element is not limited to this, and may be, for example, an EL element, a light emitting diode (LED), or a semiconductor. It may be composed of a laser (laser diode) or the like.
- the light receiving element is configured by a PIN photodiode.
- the light receiving element is not limited to this, and is constituted by, for example, various photodiodes such as PN photodiodes, avalanche photodiodes, phototransistors, photoluminescence (organic photoluminescence), and the like. It may be done.
- information is transmitted mainly by optical communication in a device in which fine elements are integrated. This makes it possible to reduce the amount of heat generated, and to realize a device (circuit) with a high responsiveness and a large delay in signal.
- the thin film constituting the element is formed by patterning using an ink jet method
- fine patterning can be performed easily, in a short time, and accurately.
- the thickness can be easily and accurately adjusted by increasing or decreasing the discharge amount of the composition, it is possible to easily and freely control the properties of the film.
- the ink jet method can easily achieve a high light emitting / receiving element and a semiconductor element.
- an element having desired characteristics, characteristics, and a pattern can be easily formed on a substrate (for example, a substrate on which an element such as a TFT having a single junction or a TFT circuit is integrated).
- a substrate for example, a substrate on which an element such as a TFT having a single junction or a TFT circuit is integrated.
- the same light guide path is used. Multiple pieces of information can be transmitted.
- the wiring can be simplified compared to a device using only an electric wire.
- the area occupied by the wiring can be reduced as compared with the device using only the electric wiring, and the generation of heat can be suppressed, whereby high integration can be achieved.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Inorganic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Electroluminescent Light Sources (AREA)
- Optical Communication System (AREA)
- Optical Integrated Circuits (AREA)
- Optical Couplings Of Light Guides (AREA)
- Semiconductor Lasers (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020007004867A KR100626562B1 (ko) | 1998-09-04 | 1999-08-27 | 광 전달 장치 및 이를 제조하는 방법 |
US09/530,754 US6430325B1 (en) | 1998-09-04 | 1999-08-27 | Device having a light transmission device |
EP99940547A EP1043780A4 (en) | 1998-09-04 | 1999-08-27 | DEVICE WITH OPTICAL COMMUNICATION MEANS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/251014 | 1998-09-04 | ||
JP25101498A JP4258860B2 (ja) | 1998-09-04 | 1998-09-04 | 光伝達手段を備えた装置 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/530,754 A-371-Of-International US6430325B1 (en) | 1998-09-04 | 1999-08-27 | Device having a light transmission device |
US10/175,449 Division US6775428B2 (en) | 1998-09-04 | 2002-06-20 | Device having a light transmission device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000014813A1 true WO2000014813A1 (fr) | 2000-03-16 |
Family
ID=17216361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/004664 WO2000014813A1 (fr) | 1998-09-04 | 1999-08-27 | Dispositif dote de moyens de communication optiques |
Country Status (7)
Country | Link |
---|---|
US (2) | US6430325B1 (ja) |
EP (2) | EP1569280A3 (ja) |
JP (1) | JP4258860B2 (ja) |
KR (1) | KR100626562B1 (ja) |
CN (2) | CN1277319C (ja) |
TW (1) | TW434899B (ja) |
WO (1) | WO2000014813A1 (ja) |
Cited By (1)
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US11350051B2 (en) | 2017-10-04 | 2022-05-31 | Sony Semiconductor Solutions Corporation | Solid-state imaging element and electronic device |
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- 1998-09-04 JP JP25101498A patent/JP4258860B2/ja not_active Expired - Fee Related
-
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- 1999-08-27 WO PCT/JP1999/004664 patent/WO2000014813A1/ja active IP Right Grant
- 1999-08-27 CN CNB2004100040645A patent/CN1277319C/zh not_active Expired - Fee Related
- 1999-08-27 EP EP05075817A patent/EP1569280A3/en not_active Withdrawn
- 1999-08-27 KR KR1020007004867A patent/KR100626562B1/ko not_active IP Right Cessation
- 1999-08-27 US US09/530,754 patent/US6430325B1/en not_active Expired - Lifetime
- 1999-08-27 CN CNB998020117A patent/CN1181564C/zh not_active Expired - Fee Related
- 1999-08-27 EP EP99940547A patent/EP1043780A4/en not_active Ceased
- 1999-08-31 TW TW088114987A patent/TW434899B/zh not_active IP Right Cessation
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2002
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Cited By (1)
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---|---|---|---|---|
US11350051B2 (en) | 2017-10-04 | 2022-05-31 | Sony Semiconductor Solutions Corporation | Solid-state imaging element and electronic device |
Also Published As
Publication number | Publication date |
---|---|
US6775428B2 (en) | 2004-08-10 |
JP4258860B2 (ja) | 2009-04-30 |
CN1519595A (zh) | 2004-08-11 |
EP1043780A4 (en) | 2004-11-17 |
KR20010031799A (ko) | 2001-04-16 |
CN1277319C (zh) | 2006-09-27 |
CN1181564C (zh) | 2004-12-22 |
EP1043780A1 (en) | 2000-10-11 |
US20030026517A1 (en) | 2003-02-06 |
EP1569280A2 (en) | 2005-08-31 |
CN1287691A (zh) | 2001-03-14 |
US6430325B1 (en) | 2002-08-06 |
KR100626562B1 (ko) | 2006-09-22 |
TW434899B (en) | 2001-05-16 |
EP1569280A3 (en) | 2006-06-07 |
JP2000082807A (ja) | 2000-03-21 |
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