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1. 发明专利

JPH11266703A LAMP FOR LIGHT CULTURE 失效
公开(公告)号：JPH11266703A
公开(公告)日：1999-10-05
申请号：JP9402798
申请日：1998-03-23
申请人： MITSUBISHI CHEM CORP , KATAKURA IND CO LTD
发明人： TANAKA FUMIHIRO , WATANABE HIROYUKI , TAKADA TATSUO
IPC分类号： A01G7/00 , F21V19/00
摘要： PROBLEM TO BE SOLVED: To provide a lamp for light culture which is a lamp useful for the light culture of plant, is capable of reducing a lighting cost and supplying a further uniform lighting effect. SOLUTION: In this lamp A for light culture equipped with a semiconductor light emitting part 2 for emitting light rays having 630-700 nm peak wavelength, the semiconductor light emitting part 2 is formed into a shape relatively projecting from its fitting standard face (a base plate 1). Otherwise, the semiconductor light emitting part is formed into a shape relatively recessed from the fitting standard face. In a preferable state, the angle of the optical axis of the semiconductor light emitting part 2 from the fitting standard face is 40-70 deg..

2. 发明专利

JPH08242694A METHOD FOR CULTURING PLANT 失效
公开(公告)号：JPH08242694A
公开(公告)日：1996-09-24
申请号：JP5001995
申请日：1995-03-09
申请人： MITSUBISHI CHEM CORP
发明人： WATANABE HIROYUKI , TANAKA FUMIHIRO , ENDO MASAHIRO
IPC分类号： A01G7/00 , H01L33/28 , H01L33/32 , H01L33/00
摘要： PURPOSE: To provide a light irradiation system suitably applicable to a plant culture device, reducing a power cost, improving light efficiency of plant, by using a light semiconductor as a light source, irradiating a plant with pulse light under specific conditions and efficiently culturing the plant. CONSTITUTION: A light semiconductor such as a light emitting diode is used as a light source and a plant is irradiated with pulse light having 0.5μsec to 20msec period and 20-60% duty ratio (DT ratio) at 300-5,000Lx average illuminance to culture the plant. The wavelength range of the light to be irradiated is preferably a wavelength range of 600-750nm of only red light and a wavelength range using both 600-750nm red light and 400-500nm blue light is preferable.

3. 发明专利

JPH1146575A LIGHTING CULTURE OF STRAWBERRY 失效
公开(公告)号：JPH1146575A
公开(公告)日：1999-02-23
申请号：JP20771097
申请日：1997-08-01
申请人： MITSUBISHI CHEM CORP
发明人： TANAKA FUMIHIRO , WATANABE HIROYUKI
IPC分类号： A01G1/00 , A01G7/00
摘要： PROBLEM TO BE SOLVED: To provide a method for carrying out lighting culture of strawberry, capable of reducing lighting culture cost, enabling proper and sure developing control of leaves and capable of realizing growth of stock and increase in yield by irradiating strawberry with red light having specific peak wavelengths. SOLUTION: Lighting culture of strawberry is carried out by irradiating strawberry with red light having peak wavelengths at 630-700 nm and not substantially containing light having wavelength exceeding 700 nm. The irradiation light amount is preferably >=0.01 μmol/m /s on culture face of strawberry. Optical semiconductor such as light-emitting diode or semiconductor laser or red fluorescent substance is used as light source. When the optical semiconductor is used as the light source, a material using Zn-O doped GaP or GaAlAs-based material is exemplified as a luminescent material having 630-700 nm wavelength. Since the optical semiconductor has extremely sharp emission spectrum and generates pure red light and has low occurrence of heat, the optical semiconductor is preferably used as a light source of the method.

4. 发明专利

JPH08275681A INCREASE IN QUANTITY OF EDIBLE PORTION OF PLANT 失效
公开(公告)号：JPH08275681A
公开(公告)日：1996-10-22
申请号：JP7905695
申请日：1995-04-04
申请人： MITSUBISHI CHEM CORP
发明人： TANAKA FUMIHIRO , WATANABE HIROYUKI , MURASE MAKOTO
IPC分类号： A01G7/00
摘要： PURPOSE: To provide a method for increasing the quantities of the edible portions of a plant, capable of efficiently elongating the leaf stalk portion, flower stalk portion, stalk portion, etc., of the plant and increasing the quantities of the edible portions by supplying far IR light having a prescribed light wavelength peak and emitted from a light semiconductor as a light source. CONSTITUTION: A method for increasing the edible portions of a plant comprises supplying far IR light having a light wavelength peak of 700-760nm and emitted from a light semiconductor such as a light-emitting diode or a semiconductor laser as a light source to the glowing plant such as the plant of the family Cruciferae or Oenanthe. The light is preferably supplied to the growing plant only before harvested.

5. 发明专利

JPH08228599A ILLUMINATION CULTURE OF SHORT-DAY FLOWERING PLANT 失效
公开(公告)号：JPH08228599A
公开(公告)日：1996-09-10
申请号：JP3681195
申请日：1995-02-24
申请人： MITSUBISHI CHEM CORP
发明人： WATANABE HIROYUKI , YOSHINO TORU , TANAKA FUMIHIRO
IPC分类号： A01G1/00 , A01G7/00
摘要： PURPOSE: To illuminate a short-day flowering plant by irradiating a red light having the peak wavelength in a prescribed range, to perform efficient illumination culture of the short-day flowering plant, thus to lower the illumination cost, adequately and surely regulate the flowing and improve the quality of the flowers to be harvested. CONSTITUTION: An optical semiconductor such as a light-emitting diode is used as a light source and a short-day flowering plant such as chrysanthemum is illuminated with a red light having the peak wavelength at 580-740nm, while maintaining the quantity of the light over 20mW/m on the culture surface of the plant to perform the illumination culture of a short-day flowering plant.

6. 发明专利

JP2001000043A LIGHT SOURCE FOR CULTIVATION 失效
公开(公告)号：JP2001000043A
公开(公告)日：2001-01-09
申请号：JP17250299
申请日：1999-06-18
申请人： MITSUBISHI CHEM CORP , COSMO PLANT KK
发明人： UCHIYAMA HISAKAZU , WATANABE HIROYUKI , TANAKA FUMIHIRO
IPC分类号： A01G7/00 , H01L33/30 , H01L33/54 , H01L33/56 , H01L33/60 , H01L33/62 , H01S5/02 , H01L33/00
摘要： PROBLEM TO BE SOLVED: To provide a panel-shaped light source for cultivation utilizing photoconductor elements, further improved in irradiation efficiency and further reduced in production cost. SOLUTION: This light source for cultivation is made up of a panel 1 to be placed nearly against a culture medium, a plurality of plate-like emitters 2 arranged on the surface of the panel 1, and reflective members 3 disposed respectively along the rims of the emitters 2; wherein each of the emitters 2 is such as to be made by directly mounting a number of photoconductor elements 24 on a printed board 21, and each of the reflective members 3 has a reflective surface with the divergence angle with the surface of the adjacent emitter 2 set at 110-150 deg., enabling even rays of light nearly parallel to the surface of the panel 1 to be reflected toward the culture medium side.

7. 发明专利

JPH09149729A RAISING OF PLANT SEEDLING 失效
公开(公告)号：JPH09149729A
公开(公告)日：1997-06-10
申请号：JP31082795
申请日：1995-11-29
申请人： MITSUBISHI CHEM CORP
发明人： TANAKA FUMIHIRO , WATANABE HIROYUKI , MURASE MAKOTO
IPC分类号： A01G7/00
摘要： PROBLEM TO BE SOLVED: To enable high-quality seedlings to be produced more efficiently through enabling healthy seedlings with solid basal portion to be raised, by replenishing far-infrared rays with the light-emitting wavelengths within a specified range only within a specified period after germination in the plant seedling raising stage. SOLUTION: In the seedling raising stage for a plant such as Brassica campestris, far-infrared or infrared rays with the light-emitting wavelengths of 670-950 (pref. 690-950) nm are replenished by e.g. a light-emitting diode only within 10 (pref. 6) days after germination. It is preferable that the intensity of the rays be >=100μW/cm .

8. 发明专利

JPH1014401A LIGHT SUPPLEMENTING APPARATUS FOR INDOOR PLANT 失效
公开(公告)号：JPH1014401A
公开(公告)日：1998-01-20
申请号：JP17800396
申请日：1996-07-08
申请人： MITSUBISHI CHEM CORP
发明人： KOBAYASHI YOSHIKAZU , TANAKA FUMIHIRO , ENDO MASAHIRO
IPC分类号： A01G7/00
摘要： PROBLEM TO BE SOLVED: To provide the subject apparatus, capable of supplying necessary amount of light to a plant, small in size, excellent in space saving, inconspicuous and free from the obstruction of appreciation by placing a fixing device on an illuminant comprising an optical semiconductor. SOLUTION: A fixing device is placed directly or indirectly on an illuminant comprising an optical semiconductor (e.g. a light-emitting diode). For example, an optical semiconductor panel, etc., in which optical semiconductor lamps prepared by resin sealing of an optical semiconductor chip or by hermetic seal of the optical semiconductor chip in a container or optical chips are arranged in an area or in a line on a supporting body, is used as the illuminant. In order to increase the amount of light, a panel is suitably used since the resultant illuminant can be downsized. As the fixing device, a clip is preferable in view of handleability. In the case of indirect fixing of a device, e.g. a clip 2 is placed on an illuminant 1 through a flexible joint 5 so that the direction of the illuminant 1 can be adjusted. Further, a red color optical semiconductor, whose wave length of emitted light is in the range of 600-700nm, is preferable as the optical semiconductor.

9. 发明专利

JPH0937648A CULTURE OF PLANT BY USING LIGHT SEMICONDUCTOR AS LIGHT SOURCE 失效
公开(公告)号：JPH0937648A
公开(公告)日：1997-02-10
申请号：JP19331295
申请日：1995-07-28
申请人： MITSUBISHI CHEM CORP
发明人： WATANABE HIROYUKI , TANAKA FUMIHIRO
IPC分类号： A01G1/00 , A01G7/00
摘要： PROBLEM TO BE SOLVED: To provide a method for culturing a plant, efficiently enabling excellent plant growth at a low cost without causing spindly growth of a plant and without essentially requiring a blue light. SOLUTION: This method for culturing a plant comprises a light semiconductor as a light source. Only a red light having a peak wavelength at 600-700nm is used. The quantity of light is changed in a region shown by the formula log y>=0.031x+1.28[(x): the number of days of culture (day), (y): the quantity of light of irradiation (μmol/m /s)].

10. 发明专利

JPH08205677A REGULATION OF NUTRIENT INGREDIENT CONTENT OF PLANT BODY 失效
公开(公告)号：JPH08205677A
公开(公告)日：1996-08-13
申请号：JP1415595
申请日：1995-01-31
申请人： MITSUBISHI CHEM CORP
发明人： TANAKA FUMIHIRO , WATANABE HIROYUKI , MURASE MAKOTO , ENDO MASAHIRO
IPC分类号： A01G7/00 , H01S5/00
摘要： PURPOSE: To efficiently regulate the content of nutrient ingredients in a plant body, increase a specific nutrient ingredient and remarkably improve the added value of the plant by controlling the strength of blue light, etc., contained in an artificial light source. CONSTITUTION: The content of a nutrient ingredient such as vitamin A or vitamin C of a plant body belonging to the family Compositate, Cruciferae, etc., is regulated by controlling the intensities of blue light at 400-500nm wavelength, red light at 600-700nm wavelength and far infrared light at 670-760nm wavelength contained in an artificial light source of a semiconductor device, etc.

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