KR101994077B1 - Information display device using flexible solar cell - Google Patents

Information display device using flexible solar cell Download PDF

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KR101994077B1
KR101994077B1 KR1020170175588A KR20170175588A KR101994077B1 KR 101994077 B1 KR101994077 B1 KR 101994077B1 KR 1020170175588 A KR1020170175588 A KR 1020170175588A KR 20170175588 A KR20170175588 A KR 20170175588A KR 101994077 B1 KR101994077 B1 KR 101994077B1
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solar cell
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KR20190074166A (en
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박기주
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(주)솔라플렉스
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
    • 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
    • H01L31/0248—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 characterised by their semiconductor bodies
    • H01L31/036—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 characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes
    • H01L31/0392—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 characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including thin films deposited on metallic or insulating substrates ; characterised by specific substrate materials or substrate features or by the presence of intermediate layers, e.g. barrier layers, on the substrate
    • H01L31/03923—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 characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including thin films deposited on metallic or insulating substrates ; characterised by specific substrate materials or substrate features or by the presence of intermediate layers, e.g. barrier layers, on the substrate including AIBIIICVI compound materials, e.g. CIS, CIGS
    • 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
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0543—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the refractive type, e.g. lenses
    • 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
    • H01L31/14—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 light source or sources being controlled by the semiconductor device sensitive to radiation, e.g. image converters, image amplifiers or image storage devices
    • 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
    • Y02E10/52—PV systems with concentrators
    • 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
    • Y02E10/541—CuInSe2 material PV cells

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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

본 발명은 플렉시블 태양전지를 이용한 정보 표시 장치에 관한 것으로서, CIGS 박막형 태양전지를 발전소자로 채택함으로써 정보 표시장치의 플렉시블하면서도 대면적화를 용이하게 구현할 수 있을 뿐만 아니라, CIGS 태양전지에 펀칭 홈을 형성하여 펀칭 홈에 엘이디 발광소자를 배치하는 구조를 채택함으로써 태양전지모듈에 발광부인 엘이디 발광소자를 직접 삽입하는 구조를 채택하여 정보, 광고 등을 표현하는 정보 표시 장치 구현에 대한 디자인 룰의 제한을 해소할 수 있는 플렉시블 태양전지를 이용한 정보 표시 장치에 관한 것이다.The present invention relates to an information display apparatus using a flexible solar cell. By adopting a CIGS thin film solar cell as a power plant, it is possible to easily realize a flexible and large-sized information display apparatus, and also to form a punching groove in a CIGS solar cell By adopting the structure in which the LED light emitting element is arranged in the punching groove, the LED light emitting element, which is a light emitting part, is directly inserted into the solar cell module, thereby eliminating the restriction of the design rule for implementing information display apparatus expressing information and advertisement And more particularly, to an information display apparatus using a flexible solar cell.

Description

플렉시블 태양전지를 이용한 정보 표시 장치{Information display device using flexible solar cell}BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an information display device using a flexible solar cell,

본 발명은 플렉시블 태양전지를 이용한 정보 표시 장치에 관한 것으로서, CIGS 박막형 태양전지를 발전소자로 채택함으로써 정보 표시장치의 플렉시블하면서도 대면적화를 용이하게 구현할 수 있을 뿐만 아니라, CIGS 태양전지에 펀칭 홈을 형성하여 펀칭 홈에 엘이디 발광소자를 배치하는 구조를 채택함으로써 태양전지모듈에 발광부인 엘이디 발광소자를 직접 삽입하는 구조를 채택하여 정보, 광고 등을 표현하는 정보 표시 장치 구현에 대한 디자인 룰의 제한을 해소할 수 있는 플렉시블 태양전지를 이용한 정보 표시 장치에 관한 것이다.The present invention relates to an information display apparatus using a flexible solar cell. By adopting a CIGS thin film solar cell as a power plant, it is possible to easily realize a flexible and large-sized information display apparatus, and also to form a punching groove in a CIGS solar cell By adopting the structure in which the LED light emitting element is arranged in the punching groove, the LED light emitting element, which is a light emitting part, is directly inserted into the solar cell module, thereby eliminating the restriction of the design rule for implementing information display apparatus expressing information and advertisement And more particularly, to an information display apparatus using a flexible solar cell.

최근 석유나 석탄과 같은 기존 에너지 자원의 고갈이 예상되면서 이들을 대체할 대체 에너지에 대한 관심이 높아지고 있다. 그 중에서도 태양전지는 반도체의 성질을 이용하여 빛 에너지를 전기에너지로 변환하는 장치로서 다른 신재생 에너지원에 비하여 그 에너지원을 장소에 구애받지 않고 사용할 수 있다는 장점이 있다.With the recent depletion of existing energy sources such as oil and coal, interest in alternative energy to replace them is increasing. Among them, the solar cell is a device for converting light energy into electric energy by utilizing the properties of semiconductor, and it has an advantage that the energy source can be used regardless of place, compared with other renewable energy sources.

일반적으로 태양전지는 태양이 방출하는 빛 에너지를 반도체 특성을 이용하여 전기 에너지로 변환시키는 장치로서, p-n접합으로 구성된 다이오드를 사용하며, 광흡수층으로 사용되는 물질에 따라 다양한 종류로 구분된다.Generally, a solar cell is a device that converts the light energy emitted by the sun into electric energy by using the semiconductor characteristic. The diode is composed of a p-n junction and classified into various types according to the material used as the light absorbing layer.

태양전지의 구조 및 원리에 대해서 간단히 설명하면, 태양전지는 P(Positive)형 반도체와 N(Negative)형 반도체를 접합시킨 PN 접합 구조를 하고 있으며, 이러한 구조의 태양전지에 태양광이 입사되면, 입사된 태양광이 가지고 있는 에너지에 의해 상기 반도체 내에서 정공(Hole)과 전자(Electron)가 발생하고, 이때, PN접합에서 발생한 전기장에 의해서 상기 정공(+)는 P형 반도체쪽으로 이동하고 상기 전자(-)는 N형 반도체쪽으로 이동하게 되어 전위가 발생하게 됨으로써 전력을 생산할 수 있게 된다.The structure and principle of a solar cell will be briefly described. A solar cell has a PN junction structure in which a P (positive) semiconductor and an N (negative) semiconductor are bonded. When solar light enters the solar cell having such a structure, Holes and electrons are generated in the semiconductor due to the energy of the incident sunlight. At this time, the holes (+) move toward the P-type semiconductor due to the electric field generated at the PN junction, (-) is moved toward the N-type semiconductor to generate the electric potential, so that the electric power can be produced.

특히, 광흡수층으로 실리콘을 사용하는 태양전지는 결정질 기판형 태양전지와, 비정질의 박막형 태양전지로 구분된다.Particularly, a solar cell using silicon as a light absorbing layer is classified into a crystalline substrate type solar cell and an amorphous thin film type solar cell.

근래에는 다양한 산업분야에서 엘이디를 응용한 다양한 제품이 개발되어 적용되고 있는데, 특히 고휘도의 엘이디 램프는 수명이 반영구적이면서도 소비전력이 매우 낮은 장점이 있으므로, 기존의 형광등이나 백열등, 나트륨등 및 수은등을 비롯한 다양한 전등을 대체할 수 있다.In recent years, a variety of products employing LEDs have been developed and applied in various industrial fields. Particularly, since a high-brightness LED lamp has a semi-permanent lifetime and low power consumption, it can be used in a variety of applications including conventional fluorescent lamps, incandescent lamps, sodium lamps, Can replace various lamps.

즉, 엘이디 램프를 통해 각종 유해물질이 포함되고 수명이 짧은 기존의 전등을 대체함에 따라 환경오염을 줄일 수 있는 효과가 있음과 더불어, 엘이디 램프의 낮은 전력소모를 통해 에너지 절감 효과도 얻을 수 있을 뿐만 아니라, 광소자의 종류에 따라 적색, 녹색, 청색의 광 출력을 얻을 수 있어, 광통신을 비롯하여 전자광고판 등에 문자나 숫자 등의 영상을 표시하는데 많이 이용되고 있다.In other words, it is possible to reduce the environmental pollution by replacing the conventional lamp which includes various harmful substances through the LED lamp and the short life span, and the energy saving effect can be obtained through the low power consumption of the LED lamp However, the light output of red, green, and blue can be obtained depending on the type of the optical device, and is widely used for displaying images such as letters and numbers on optical communication and electronic billboards.

또한, 문자나 숫자 등의 영상을 여러 가지 색상으로 표시하기 위해서 서로 다른 색(빛의 3원색)의 엘이디 칩들을 근접 배치함으로써 색의 간섭을 통해 자연의 색을 표현하도록 하고 있다.In addition, in order to display images such as characters and numerals in various colors, LED chips of different colors (three primary colors of light) are disposed close to each other to express natural colors through interference of colors.

이러한 장점을 이용한 종래의 기술로서는 대한민국 등록특허 제10-1225980호의 "발광장치"가 제안되었다.As a conventional technique using these advantages, Korean Patent Registration No. 10-1225980 entitled "Light Emitting Device" has been proposed.

이를 도 1을 참조하여 설명하면, 태양광이 입사하는 전면기판(110)과 전면기판(110)과 대향하는 후면기판(120) 사이에 복수의 태양전지(150)가 배열되는 태양전지모듈(100), 후면기판(120)상에 위치하는 발광부(200) 및 태양전지모듈(100)과 발광부(200)를 체결하는 체결부(11)를 포함하고, 발광부(200)는 후면기판(120)상의 도광판(210)과 도광판(210)의 적어도 일 측면에 위치하는 발광소자모듈(220)을 포함한다.1, a solar cell module 100 in which a plurality of solar cells 150 are arranged between a front substrate 110 on which sunlight is incident and a rear substrate 120 facing the front substrate 110 A light emitting unit 200 positioned on the rear substrate 120 and a coupling unit 11 connecting the solar cell module 100 and the light emitting unit 200. The light emitting unit 200 includes a rear substrate And a light emitting device module 220 disposed on at least one side of the light guide plate 210 and the light guide plate 210 on the light guide plate 120.

태양전지(150)는 결정질 실리콘(crystalline silicon), 화합물 반도체(compound semiconductor), 적층형(tandem), 비정질 실리콘(a-Si), 미세결정 실리콘(c-Si), 구리인듐갈륨셀레늄(CIGS), 카드뮴 텔룰라이드(CdTe), 염료감응(dye-sensitized), 및 유기(organic) 등 다양한 형태로 구현되며, 태양전지모듈(100)은 복수의 태양전지(150), 복수의 태양전지를 전기적으로 연결하는 복수의 리본(143), 복수의 리본(143)을 연결하는 버스 리본(145), 복수의 태양전지(150)를 상면 및 하면에서 밀봉하는 제1 밀봉 필름(131)과 제2 밀봉 필름(132), 태양전지(150)의 수광면을 보호하는 전면 기판(110) 및 태양전지(150)의 이면을 보호하는 후면 기판(120)을 포함한다.The solar cell 150 may be a crystalline silicon, a compound semiconductor, a tandem, an amorphous silicon (a-Si), a microcrystalline silicon (c-Si), a copper indium gallium selenium (CIGS) The solar cell module 100 is implemented in various forms such as cadmium telluride (CdTe), dye-sensitized, and organic. The solar cell module 100 includes a plurality of solar cells 150, A bus ribbon 145 connecting the plurality of ribbons 143, a first sealing film 131 sealing the top and bottom surfaces of the plurality of solar cells 150, and a second sealing film 132, a front substrate 110 for protecting the light receiving surface of the solar cell 150, and a rear substrate 120 for protecting the back surface of the solar cell 150.

전면 기판(110)은 태양광을 투과하도록 제1 밀봉 필름(131) 상에 위치하며, 외부의 충격 등으로부터 태양전지(150)를 보호하기 위해 강화유리를 사용하며, 태양전지모듈(100)에서 생성된 전류는 후면기판(120) 상에 위치하는 발광부(200)로 전달되며, 발광부(200)는 이를 이용하여 광을 생성할 수 있다.The front substrate 110 is placed on the first sealing film 131 to transmit sunlight and uses a tempered glass to protect the solar cell 150 from an external impact or the like, The generated current is transmitted to the light emitting unit 200 located on the rear substrate 120, and the light emitting unit 200 can generate light using the generated current.

그러나, 이러한 종래의 기술은 태양광을 구동전원으로 사용할 수 있는 발광장치에 관한 것이나, 태양광이 입사하는 전면기판과 전면기판과 대항하는 후면기판 사이에 복수의 태양전지가 배열되는 태양전지 모듈, 후면기판상에 위치하는 발광부 및 태양전지 모듈과 발광부를 체결하는 체결부를 포함하며, 발광부는 후면기판상의 도광판과 도광판의 적어도 일 측면에 위치하는 발광소자모듈을 포함함으로써, 유연성 있는 정보 표시 장치의 대면적화 구현에 대한 어려움 및 발광부와 태양전지모듈의 일체화되지 않아 정보 표시 장치의 구현에 대한 디자인 룰에 제한이 존재한다.However, such a conventional technology relates to a light emitting device that can use solar light as a driving power source, a solar cell module in which a plurality of solar cells are arranged between a front substrate on which sunlight is incident and a rear substrate facing the front substrate, And a light emitting unit located on at least one side of the light guide plate and the light guide plate on the rear substrate, the light emitting unit including the light emitting unit located on the rear substrate and the connecting unit connecting the solar cell module and the light emitting unit, There is a limitation in the design rule for the implementation of the information display device because of the difficulty in realizing the large area and the integration of the light emitting portion and the solar cell module.

상기와 같은 종래 기술의 문제점을 해결하기 위하여 안출된 본 발명은 CIGS 태양전지를 채택함으로써 정보 표시장치의 평판형, 원통형 등의 플렉시블하면서도 대면적화를 용이하게 구현하기 위한 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art as described above, and it is an object of the present invention to easily realize a flexible and large-sized flat panel type or cylindrical type information display device by adopting CIGS solar cell.

또한, CIGS 태양전지에 펀칭 홈을 형성하여 펀칭 홈에 엘이디 발광소자를 배치하는 구조를 채택함으로써 태양전지모듈에 발광부인 엘이디 발광소자를 직접 삽입하는 구조를 채택함으로써 정보 표시 장치 구현에 대한 디자인 룰의 제한을 해소하기 위한 또 다른 목적이 있다.In addition, by adopting a structure in which a punching groove is formed in a CIGS solar cell and an LED light emitting element is arranged in a punching groove, a structure for directly inserting an LED light emitting element as a light emitting portion into a solar cell module is adopted, There is another purpose to overcome restrictions.

본 발명의 상기 목적은 플렉시블 태양전지를 이용한 정보 표시 장치에 있어서, 광 수집 능력을 증대시키기 위한 광 수집층; 상기 광 수집층의 하부에 위치하는 제1 접착제층; 상기 제1 접착제층의 하부에 위치하며 엘이디 광원을 수용하기 위한 펀칭 홈이 형성된 태양광 발전을 위한 플렉시블 CIGS 태양전지층; 상기 플렉시블 CIGS 태양전지층 하부에 위치하는 제2 접착제층; 상기 제2 접착제층 하부에 위치하는 절연체층; 상기 플렉시블 CIGS 태양전지층, 제2 접착제층 및 절연체층을 관통하여 배치되는 엘이디 발광소자; 상기 엘이디 발광소자의 하부에 배치되며, 상기 엘이디 발광소자의 전기적인 접속을 위하여 배치되는 플렉시블 엘이디 기판층; 상기 플렉시블 엘이디 기판층 하부에 위치하는 제3 접착제층; 상기 제3 접착제층 하부에 배치되는 방열판; 상기 방열판의 하부에 배치되는 플렉시블 배터리로 구성되는 것을 특징으로 하는 플렉시블 태양전지를 이용한 정보 표시 장치에 의해 달성된다.The above object of the present invention is achieved by an information display apparatus using a flexible solar cell, comprising: a light collecting layer for increasing light collecting ability; A first adhesive layer positioned below the light collection layer; A flexible CIGS solar cell layer for photovoltaic generation which is located below the first adhesive layer and has a punching groove for receiving an LED light source; A second adhesive layer positioned under the flexible CIGS solar cell layer; An insulator layer positioned below the second adhesive layer; An LED light emitting element disposed through the flexible CIGS solar cell layer, the second adhesive layer, and the insulator layer; A flexible LED substrate layer disposed below the LED light emitting device and disposed for electrical connection of the LED light emitting device; A third adhesive layer positioned below the flexible LED substrate layer; A heat sink disposed below the third adhesive layer; And a flexible battery disposed at a lower portion of the heat dissipation plate. The information display apparatus using the flexible solar battery is provided.

따라서, 본 발명의 플렉시블 태양전지를 이용한 정보 표시 장치는 CIGS 태양전지를 채택함으로써 정보 표시장치의 평판형, 원통형 등의 플렉시블하면서도 대면적화를 용이하게 구현하는 효과가 있다.Therefore, the information display device using the flexible solar cell of the present invention has the effect of easily realizing the flat display, the cylindrical display, etc. of the information display device flexibly and large-sized by adopting the CIGS solar cell.

또한, 본 발명은 CIGS 태양전지에 펀칭 홈을 형성하여 펀칭 홈에 엘이디 발광소자를 배치하는 구조를 채택함으로써 태양전지모듈에 발광부인 엘이디 발광소자를 직접 삽입하는 구조를 채택함으로써 정보 표시 장치 구현에 대한 디자인 룰의 제한을 해소할 수 있는 효과가 있다.In addition, the present invention adopts a structure in which a punching groove is formed in a CIGS solar cell and an LED light emitting element is arranged in a punching groove, thereby directly embedding an LED light emitting element as a light emitting part in a solar cell module. The limitation of the design rule can be solved.

도 1은 종래의 기술에 따른 발광장치의 구성도,
도 2는 본 발명에 따른 플렉시블 태양전지를 이용한 정보 표시 장치의 단면 개략도이다.1 is a configuration diagram of a conventional light emitting device,
2 is a schematic cross-sectional view of an information display device using a flexible solar cell according to the present invention.

본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

따라서, 본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형예들이 있을 수 있음을 이해하여야 한다.Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

이하 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명하기로 한다. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명에 따른 플렉시블 태양전지를 이용한 정보 표시 장치의 단면 개략도이다. 도 2에 도시된 바와 같이, 본 발명의 플렉시블 태양전지를 이용한 정보 표시 장치는 광 수집 능력인 집광 효율을 높이기 위하여 광 수집층(310)이 형성된다.2 is a schematic cross-sectional view of an information display device using a flexible solar cell according to the present invention. As shown in FIG. 2, in the information display apparatus using the flexible solar cell of the present invention, a light collecting layer 310 is formed in order to increase the light collecting efficiency.

이러한 광 수집층(310)은 광 확산판 또는 렌즈중 어느 하나로 구성되며, 보다 바람직하기로는 벌집(honeycomb)형상이 반복적으로 형성되는 것이 더욱 바람직하다.The light collecting layer 310 may be formed of any one of a light diffusion plate and a lens, and more preferably, a honeycomb shape is repeatedly formed.

또한, 광 수집층(310) 상부에는 다이아몬드 나노 파우더층 또는 실리콘 산화물층을 형성함으로써 옥외에서의 사용 가능성이 높은 플렉시블 태양전지를 이용한 정보 표시 장치의 강도를 보강하는 것이 가능하다.Further, by forming a diamond nano-powder layer or a silicon oxide layer on the light collecting layer 310, it is possible to reinforce the strength of the information display device using the flexible solar cell which is highly likely to be used outdoors.

이와 같은 강도를 보강하는 소재로서 다이아몬드 나노 파우더층 또는 실리콘 산화물층을 사용하는 것은 일반적으로 강화유리를 사용하는 것이 일반적이나 강화유리의 경우 충격에 약하여 깨짐 현상이 발생되기 쉬우므로 이를 개선하기 위한 것이다.The use of a diamond nano-powder layer or a silicon oxide layer as a material for reinforcing such strength is generally performed by using tempered glass. However, in the case of tempered glass, it is vulnerable to impact and is likely to be cracked.

이중, 실리콘 산화물층은 상압 플라즈마 코팅에 의하여 형성하는 것이 더욱 바람직하다.It is more preferable that the silicon oxide layer is formed by atmospheric pressure plasma coating.

이러한 광 수집층(310)의 하부에는 광 수집층(310)과 플렉시블 CIGS(Copper Indium Gallium Selenide) 태양전지층(330)을 접착하기 위한 제1 접착제층(320)이 형성된다.A first adhesive layer 320 for bonding the light collecting layer 310 and the flexible CIGS (Copper Indium Gallium Selenide) solar cell layer 330 is formed under the light collecting layer 310.

여기서, 플렉시블 CIGS 태양전지층(330)은 정보 또는 광고 등의 정보를 표시하기 위한 엘이디 광원(360)을 수용하기 위하여 펀칭 홈이 형성되며, CIGS 태양전지는 비 실리콘 계열 태양전지 가운데 광 흡수율이 높아 에너지 변환 효율이 가장 높으며 안정성이 뛰어날 뿐만 아니라 원자재 소비가 적으며 공정 비용과 재료 비용이 저렴한 장점을 보유하고 있는 소재이다.Here, the flexible CIGS solar cell layer 330 is formed with punching grooves to accommodate an LED light source 360 for displaying information such as information or advertisement, and the CIGS solar cell has a high light absorption rate among non-silicon solar cells It has the highest energy conversion efficiency and is not only superior in stability, but also consumes less material, and has advantages of low process cost and low material cost.

이러한 플렉시블 CIGS 태양전지층(330)은 제1 접착제층의 하부에 위치하여 엘이디 광원(360)을 수용하기 위한 펀칭 홈이 형성되며, 펀칭 홈은 레이저 또는 기구적 홀 가공장치에 의하여 형성되며, 보다 바람직하기로는 레이저 가공장치에 의하여 홀을 가공하여 레이저 조사시 발생하는 션트(shunt)된 소자를 에지 아이솔레이션(edge isolation)하는 방식을 적용한다.The flexible CIGS solar cell layer 330 is positioned below the first adhesive layer to form a punching groove for receiving the LED light source 360. The punching groove is formed by a laser or a mechanical hole processing apparatus, Preferably, the hole is processed by a laser processing apparatus to apply edge isolation to a shunt element generated during laser irradiation.

또한 플렉시블 CIGS 태양전지층(330) 하부에는 절연체층(350)과 접착하기 위한 제2 접착제층(340)이 구비된다.In addition, a second adhesive layer 340 for adhering to the insulator layer 350 is provided under the flexible CIGS solar cell layer 330.

본 발명의 정보 또는 광고 등을 표시하기 위한 엘이디 발광소자(360)는 플렉시블 CIGS 태양전지층(330), 제2 접착제층(340) 및 절연체층(350)을 관통하여 배치된다.The LED light emitting device 360 for displaying information or advertisement of the present invention is arranged to pass through the flexible CIGS solar cell layer 330, the second adhesive layer 340, and the insulator layer 350.

이중 엘이디 발광소자(360)의 정보 또는 광고 등의 표시를 위하여 엘이디 발광소자(360)에 전기적인 신호를 공급하기 위하여 구비되는 엘이디 기판층(370)은 플레시블한 소재에 의하여 형성되며, 플렉시블 소재는 일반적인 FPCB(Flexible Printed Circuit Board)기술분야에서 사용되는 소재를 사용한다.The LED substrate layer 370, which is provided for supplying an electric signal to the LED light emitting device 360 for display of information or advertisements of the dual LED light emitting device 360, is formed of a flexible material, A material used in a general FPCB (Flexible Printed Circuit Board) technology is used.

또한, 플렉시블 엘이디 기판층(370)의 하부에는 제3 접착제층(380)이 형성되며, 이러한 제3 접착제층(380)은 플렉시블 엘이디 기판층(370)과 방열판(400)을 접착한다.A third adhesive layer 380 is formed under the flexible LED substrate layer 370 and the third adhesive layer 380 bonds the flexible LED substrate layer 370 to the heat sink 400. [

이러한 제3 접착제층(380)에는 엘이디 발광소자(360)에 공급되는 전력이 불안정한 경우 엘이디 발광소자(360)의 안정적인 발광을 확보하기 위하여 캐패시터(390)을 접속함으로써 엘이디 발광소자(360)에 공급되는 전력이 불안정한 경우 캐패시터(390)가 이를 보완함으로써 엘이디 발광소자(360)의 안정적인 발광 성능을 확보하는 것이 가능하다.When the electric power supplied to the LED light emitting device 360 is unstable, the third adhesive layer 380 is supplied to the LED light emitting device 360 by connecting the capacitor 390 to ensure stable light emission of the LED light emitting device 360 The capacitor 390 compensates for the unstable power, thereby ensuring stable light emitting performance of the LED light emitting device 360. [

또한, 제3 접착제층(380)의 하부에 배치되는 방열판(400)은 도면에서 별도로 도시하지 않았으나, 하부에 방열핀(미도시)을 구비하여 방열효율을 높이는 것이 가능하다.The heat dissipation plate 400 disposed below the third adhesive layer 380 is not shown in the drawing, but a heat dissipation fin (not shown) may be provided at the lower portion to increase the heat dissipation efficiency.

또한, 방열판(400)의 하부에는 일반적인 충방전용 배터리를 구비하는 것도 가능하나, 보다 바람직하기로는 플렉시블한 충방전용 배터리(410)로 형성함으로써 본 발명인 플렉시블 태양전지를 이용한 정보 표시 장치의 형태적인 가변성을 더욱 확보하는 것이 가능하다.Further, it is possible to provide a general battery for exclusive use of relief in the lower part of the heat sink 400, but more preferably, it is formed of a flexible battery 410 for exclusive use of charge, so that the formability of the information display device using the flexible solar battery of the present invention It is possible to secure more.

또한, 광 수집층(310)의 하부에 강도 보강층(미도시)을 배치하며, 강도 보강층 상부에는 광 수집층(310)과의 접착을 위한 제4 접착제층(미도시)을 구비하는 것이 더욱 바람직하다.It is further preferable that a strength reinforcing layer (not shown) is disposed below the light collecting layer 310 and a fourth adhesive layer (not shown) is provided above the strength gathering layer 310 for bonding to the light collecting layer 310 Do.

본 발명에서 각각의 층을 접착하기 위한 제1 내지 제4 접착제층은 EVA(Ethylene-Vinyl Acetate), PO(Poly-Olefin) 또는 PVB(Poly-Vinyl Butyral) 소재중 어느 하나로 형성되는 것이 바람직하나, 이들 접착제 층에 사용되는 소재를 혼용하여 사용하는 것도 가능하다.In the present invention, the first to fourth adhesive layers for bonding the respective layers are preferably formed of any one of EVA (Ethylene-Vinyl Acetate), PO (Poly-Olefin) and PVB (Poly-Vinyl Butyral) It is also possible to use the materials used for these adhesive layers in combination.

본 발명은 이상에서 살펴본 바와 같이 바람직한 실시예를 들어 도시하고 설명하였으나, 상기한 실시예에 한정되지 아니하며 본 발명의 정신을 벗어나지 않는 범위 내에서 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 다양한 변경과 수정이 가능할 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, Various changes and modifications will be possible.

310 : 광 수집층 320 : 제1 접착제층
330 : 플렉시블 CIGS 태양전지층 340 : 제2 접착제층
350 : 절연체층 360 : 엘이디 발광소자
370 : 플렉시블 엘이디 기판층 380 : 제3 접착제층
390 : 캐패시터 400 : 방열판
410 : 플렉시블 배터리 310: light collecting layer 320: first adhesive layer
330: Flexible CIGS solar cell layer 340: Second adhesive layer
350: insulator layer 360: LED light emitting element
370: Flexible LED substrate layer 380: Third adhesive layer
390: capacitor 400: heat sink
410: Flexible battery

Claims (8)

플렉시블 태양전지를 이용한 정보 표시 장치에 있어서,
광 수집 능력을 증대시키기 위한 광 수집층;
상기 광 수집층의 하부에 위치하는 제1 접착제층;
상기 제1 접착제층의 하부에 위치하며 엘이디 광원을 수용하기 위한 펀칭 홈이 형성된 태양광 발전을 위한 플렉시블 CIGS 태양전지층;
상기 플렉시블 CIGS 태양전지층 하부에 위치하는 제2 접착제층;
상기 제2 접착제층 하부에 위치하는 절연체층;
상기 플렉시블 CIGS 태양전지층, 제2 접착제층 및 절연체층을 관통하여 배치되는 엘이디 발광소자;
상기 엘이디 발광소자의 하부에 배치되며, 상기 엘이디 발광소자의 전기적인 접속을 위하여 배치되는 플렉시블 엘이디 기판층;
상기 플렉시블 엘이디 기판층 하부에 위치하는 제3 접착제층;
상기 제3 접착제층 하부에 배치되는 방열판;
상기 방열판의 하부에 배치되는 플렉시블 배터리로 구성되며,
상기 광 수집층 상부에는 다이아몬드 나노 파우더층 또는 실리콘 산화물층을 형성하며, 상기 실리콘 산화물층은 상압 플라즈마 코팅에 의하여 형성되는 것을 특징으로 하는 플렉시블 태양전지를 이용한 정보 표시 장치.
An information display apparatus using a flexible solar cell,
A light collection layer for increasing light collection capability;
A first adhesive layer positioned below the light collection layer;
A flexible CIGS solar cell layer for photovoltaic generation which is located below the first adhesive layer and has a punching groove for receiving an LED light source;
A second adhesive layer positioned under the flexible CIGS solar cell layer;
An insulator layer positioned below the second adhesive layer;
An LED light emitting element disposed through the flexible CIGS solar cell layer, the second adhesive layer, and the insulator layer;
A flexible LED substrate layer disposed below the LED light emitting device and disposed for electrical connection of the LED light emitting device;
A third adhesive layer positioned below the flexible LED substrate layer;
A heat sink disposed below the third adhesive layer;
And a flexible battery disposed under the heat sink,
Wherein a diamond nano powder layer or a silicon oxide layer is formed on the light collecting layer, and the silicon oxide layer is formed by atmospheric pressure plasma coating.
제1항에 있어서,
상기 광 수집층은 광 확산판 또는 렌즈중 어느 하나로 구성되는 것을 특징으로 하는 플렉시블 태양전지를 이용한 정보 표시 장치.
The method according to claim 1,
Wherein the light collecting layer is formed of a light diffusing plate or a lens.
제2항에 있어서,
상기 광 수집층은 벌집형상을 가지는 것을 특징으로 하는 플렉시블 태양전지를 이용한 정보 표시 장치.
3. The method of claim 2,
Wherein the light collecting layer has a honeycomb shape.
제1항에 있어서,
상기 제3 접착제층에는 상기 엘이디 발광소자의 안정화를 위하여 접속되는 캐패시터가 포함되는 것을 특징으로 하는 플렉시블 태양전지를 이용한 정보 표시 장치.
The method according to claim 1,
Wherein the third adhesive layer includes a capacitor connected to stabilize the LED light emitting device.
제1항에 있어서,
상기 광 수집층 하부에 강도 보강층을 배치하며, 상기 강도 보강층 상부에는 상기 광 수집층과의 접착을 위한 제4 접착제층을 구비하는 것을 특징으로 하는 플렉시블 태양전지를 이용한 정보 표시 장치.
The method according to claim 1,
Wherein an intensity reinforcing layer is disposed under the light collecting layer and a fourth adhesive layer is provided on an upper portion of the intensity reinforcing layer for adhesion to the light collecting layer.
제1항에 있어서,
상기 제1 내지 제4 접착제층은 EVA, PO 또는 PVB 소재중 어느 하나로 형성되는 것을 특징으로 하는 플렉시블 태양전지를 이용한 정보 표시 장치.
The method according to claim 1,
Wherein the first to fourth adhesive layers are formed of one of EVA, PO, and PVB materials.
삭제delete 삭제delete
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