KR20030002488A - The method of production of coated mirror which is capable of Control transmission - Google Patents
The method of production of coated mirror which is capable of Control transmission Download PDFInfo
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- KR20030002488A KR20030002488A KR1020010038128A KR20010038128A KR20030002488A KR 20030002488 A KR20030002488 A KR 20030002488A KR 1020010038128 A KR1020010038128 A KR 1020010038128A KR 20010038128 A KR20010038128 A KR 20010038128A KR 20030002488 A KR20030002488 A KR 20030002488A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
- C03C17/008—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character comprising a mixture of materials covered by two or more of the groups C03C17/02, C03C17/06, C03C17/22 and C03C17/28
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10293—Edge features, e.g. inserts or holes
- B32B17/10302—Edge sealing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10431—Specific parts for the modulation of light incorporated into the laminated safety glass or glazing
- B32B17/10467—Variable transmission
- B32B17/10495—Variable transmission optoelectronic, i.e. optical valve
- B32B17/10513—Electrochromic layer
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Ceramic Engineering (AREA)
- Glass Compositions (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
Description
본 발명은 투과도 조절이 가능한 코팅유리 및 이의 제조방법으로서, 더욱 상세하게는 두 장의 유리 사이에 PLZT[PbLa(Zr,Ti)O3]를 코팅함으로써 평행 또는 수직전압을 인가시 비교적 낮은 전원으로도 충분히 광의 투과도를 변화시켜 광차단을 가능하게 하는 코팅유리 및 이의 제조방법에 관한 것이다.The present invention is a coating glass that can control the transmittance and a method of manufacturing the same, and more particularly, by coating PLZT [PbLa (Zr, Ti) O 3 ] between two sheets of glass even with a relatively low power source when applying a parallel or vertical voltage The present invention relates to a coated glass and a method for manufacturing the same, which sufficiently change light transmittance to enable light blocking.
기존의 투과도를 임의로 조절할 수 있는 유리는 액정을 이용한 샌드위치 구조의 복층유리 등이 있다. 이들의 구조는 투명 박막이 전극으로 코팅된 두장의 유리를 전극면이 서로 마주보도록 배열하고 그 사이에 액정을 넣은 후 모서리를 씰링(sealing)하고 전극면에 전류를 가할 수 있도록 배선한 다음 한쪽 유리의 바깥면에 거울용 반사물질(크롬, 알루미늄, 은 등)을 코팅한 구조로 되어 있다.Existing glass that can arbitrarily adjust the transmittance is a sandwich glass and the like using a liquid crystal. Their structure is to arrange two sheets of glass coated with a transparent thin film so that the electrodes face each other, put liquid crystal between them, seal the edges, and wire them so that current can be applied to the electrodes. It has a structure coated with a mirror reflective material (chrome, aluminum, silver, etc.) on the outside.
이의 작동을 위하여 액정의 투과도를 원하는 만큼 변화시킬 수 있는 정도의 전압을 양쪽 유리 사이에 인가하여 이로 인해 액정이 재배열하여 투과도를 변하게 한다. 이때 전압을 인가하지 않으면 불투명하고, 전압을 인가시에 투명하게 되어 투과도를 변화시킨다.For this operation, a voltage is applied between the two glasses so as to change the transmittance of the liquid crystal as desired, thereby rearranging the liquid crystal to change the transmittance. At this time, if a voltage is not applied, it is opaque, and when a voltage is applied, it becomes transparent and changes transmittance.
이러한 액정 타입의 가변 투과 유리는 액정을 유리 사이에 넣고 봉입시켜야 하며, 액정 자체가 가지는 특성 등에 기인하여 대면적화가 힘들고, 또한 교류전원을 이용하여야 하고, 전압을 인가하여 투과도를 높여도 액정 자체의 특성으로 인하여 자동차용 유리에 사용가능한 수준의 투과도(가시광선 투과 70% 이상)를 가지지 못하는 문제점이 있다.In such liquid crystal type variable transmission glass, liquid crystal must be sandwiched and enclosed between the glass, and due to the characteristics of the liquid crystal itself, it is difficult to make a large area, and it is necessary to use an AC power supply and to increase the transmittance by applying a voltage to the liquid crystal itself. Due to its properties, there is a problem in that it does not have a level of transmittance (visible light transmission of 70% or more) usable for automotive glass.
이에, 본 발명자들은 상기 문제점을 문제점을 해결하기 위하여 연구한 결과, 두 장의 유리 사이에 PLZT를 코팅하여 평행 또는 수직 전압을 인가시 적은 양의 전원으로도 광의 투과도를 변화시켜 투과도 조절이 가능한 코팅유리를 제조함으로써 본 발명을 완성하게 되었다.Therefore, the present inventors have studied the above problems to solve the problem, the coating glass that can control the transmittance by changing the transmittance of light even with a small amount of power when applying a parallel or vertical voltage by coating PLZT between two sheets of glass The present invention was completed by preparing
따라서, 본 발명은 투과도 조절이 가능한 코팅유리 및 이의 제조방법을 제공하는데 그 목적이 있다.Accordingly, an object of the present invention is to provide a coating glass and a method of manufacturing the same that can control the transmittance.
도 1은 본 발명에 따른 코팅 유리에 평행전압을 가하여 투과도를 낮추는 구조를 나타낸 것이다.Figure 1 shows a structure to lower the transmittance by applying a parallel voltage to the coated glass according to the present invention.
도 2는 본 발명에 따른 코팅 유리에 수직전압을 가하여 투과도를 낮추는 구조을 나타낸 것이다.Figure 2 shows a structure to lower the transmittance by applying a vertical voltage to the coating glass according to the present invention.
도 3은 본 발명에 따른 시험품의 코팅 후 사진을 나타낸 것이다.Figure 3 shows a photograph after the coating of the test article according to the present invention.
도 4는 본 발명의 비교예로서 제작된 시험품(란탄늄 12 몰%)의 사진을 나타낸 것이다.Figure 4 shows a photograph of a test article (lanthanum 12 mol%) prepared as a comparative example of the present invention.
도 5는 본 발명의 비교예로서 제작된 시험품(란탄늄 4 몰%)의 사진을 나타낸 것이다.Figure 5 shows a photograph of a test article (lanthanum 4 mol%) prepared as a comparative example of the present invention.
본 발명은 두 장의 유리 사이에 PLZT [PbLa(Zr,Ti)O3, 란타늄 8 ∼ 10 몰%] 을 코팅한 코팅유리 및 이의 제조방법을 그 특징으로 한다.The present invention is characterized by a coating glass coated with PLZT [PbLa (Zr, Ti) O 3 , lanthanum 8-10 mol%] between two sheets of glass and a method of manufacturing the same.
이와 같은 본 발명을 더욱 상세히 설명하면 다음과 같다.Referring to the present invention in more detail as follows.
본 발명은 투광성이 변하는 광전효과를 이용한 것으로, 이러한 광전효과를 갖는 재료를 박막으로 유리표면에 코팅하여 전압을 인가하면 비교적 낮은 직류 전원(12 ∼ 42 V)으로도 충분히 광의 투과도를 변화시켜 광차단을 가능하게 할 수 있다. 이러한 광전효과를 갖는 물질로 본 발명에서는 PZT[Pb(Zr,Ti)O3]에 소결조제로 8 ∼ 10 몰% 란탄늄을 투입하여 제조된 PLZT를 사용한다. 이때, PLZT중의 란탄늄의 양이 8 몰% 미만이면 기공율이 상승하여 투과도가 떨어지며, 또한 10 몰%를 초과하여 포함되면 소결체의 강도가 저하되는 문제가 있다.The present invention utilizes a photoelectric effect of varying light transmittance. When a material having such a photoelectric effect is coated on a glass surface with a thin film and a voltage is applied, the light transmittance is sufficiently changed even with a relatively low DC power supply (12 to 42 V). Can be enabled. As a material having such a photoelectric effect, in the present invention, PLZT prepared by adding 8-10 mol% lanthanum as a sintering aid to PZT [Pb (Zr, Ti) O 3 ] is used. At this time, if the amount of lanthanum in the PLZT is less than 8 mol%, the porosity is increased to decrease the permeability, and if it is contained in excess of 10 mol%, the strength of the sintered compact is deteriorated.
본 발명에 따른 코팅유리의 제조방법은 다음과 같다.Method for producing a coated glass according to the present invention is as follows.
같은 크기의 ITO(Indium Tin Oxide)로 코팅된 두 장의 유리의 상, 하단에 도선을 연결할 수 있도록 전극을 마련한다. 그런 다음, 한 장의 유리에 준비된 PLZT 용액을 스프레이, 스핀, 딥 코팅 법 등으로 코팅한 후, 500 ∼ 750 ℃로 유지된 전기로에 넣고 가열하여 치밀한 PLZT 박막을 제조한다. 두 장의 유리를 겹친 후 모서리를 실리콘 실런트 등으로 접합한다.An electrode is prepared to connect the conductors to the upper and lower sides of two pieces of glass coated with the same size of indium tin oxide (ITO). Then, the PLZT solution prepared on one glass is coated by spraying, spin, dip coating, etc., and then placed in an electric furnace maintained at 500 to 750 ° C. to prepare a compact PLZT thin film. After overlapping the two sheets of glass, the edges are bonded with a silicone sealant.
같은 크기의 일반 유리 중 한 장에 PLZT 용액을 상기와 같은 방법으로 코팅 및 경화한 후 유리의 상, 하단에 전극을 접착시킨다. 그런 다음, 자동차 유리의 접합에 사용되는 PVB-필름을 삽입하여 접합유리 공정으로 접합제작한다.After coating and curing the PLZT solution on one sheet of glass of the same size in the same manner as above, the electrodes are attached to the upper and lower portions of the glass. Then, the PVB-film used for the bonding of automotive glass is inserted to produce the laminated glass process.
첨부도면의 도 1은 ITO 등의 투명 박막이 코팅된 두 장의 유리 사이에 PLZT 코팅을 하고 양쪽 유리에 평행 전압을 가하여 결정립 내의 굴절률을 변화시켜 광산란을 유발시킴으로써 투과도를 낮추는 코팅유리의 구조를 나타낸 것이다. 또한, 도 2는 같은 크기의 두 장의 유리에 한쪽 상단에 전극을 두고 다른 유리는 하단에 전극을 두어 그 사이에 PLZT 코팅을 한 후 양단에 전압을 가하여 투과도를 낮추는 코팅유리의 구조를 나타낸 것이다.FIG. 1 of the accompanying drawings shows a structure of a coated glass that lowers the transmittance by applying a PLZT coating between two sheets of transparent thin film coated with ITO or the like and applying a parallel voltage to both glasses to change the refractive index in the grain to cause light scattering. . In addition, Figure 2 shows the structure of the coated glass to lower the transmittance by applying an electric voltage at both ends after the electrode on the top of the two sheets of glass of the same size and the electrode on the bottom of the other glass and the PLZT coating between them.
이하, 본 발명을 다음 실시예에 의거하여 더욱 상세하게 설명하겠는바, 본 발명이 이에 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail based on the following examples, but the present invention is not limited thereto.
실시예 1Example 1
같은 크기의 ITO(Indium Tin Oxide)로 코팅된 두 장의 유리의 상, 하단에 도선을 연결할 수 있도록 전극을 마련하였다. 그런 다음, 한 장의 유리에 준비된PLZT(란타늄 9 몰%)용액을 딥 코팅(Dip Coating)법으로 코팅한 후, 720 ℃로 유지된 전기로에 넣고 가열하여 치밀한 PLZT 박막을 제조하였다. 두 장의 유리를 겹친 후 모서리를 실리콘 실런트로 접합하였다.An electrode was prepared to connect the conductors to the upper and lower ends of two sheets of glass coated with ITO (Indium Tin Oxide) of the same size. Then, a PLZT (9 mol%) solution prepared on a piece of glass was coated by a dip coating method, and then placed in an electric furnace maintained at 720 ° C. to prepare a dense PLZT thin film. After the two glasses were overlapped, the edges were bonded with a silicone sealant.
같은 크기의 일반 유리 중 한 장에 PLZT 용액 (란탄늄 9 몰%) 을 상기와 같은 방법으로 코팅 및 경화한 후 유리의 상, 하단에 전극을 접착시켰다. 그런 다음, 자동차 유리의 접합에 사용되는 PVB-필름을 삽입하여 접합유리 공정으로 접합 제작하였다.The PLZT solution (9 mol% of lanthanum) was coated and cured on one sheet of ordinary glass of the same size, and the electrodes were attached to the upper and lower portions of the glass. Then, the PVB-film used for the bonding of automotive glass was inserted to produce a laminated glass process.
비교예 1 및 2Comparative Examples 1 and 2
란탄늄의 양 변화에 따른 투과율 등의 효과를 파악하기 위하여 란탄늄의 함량이 각각 4 몰%와 12몰%인 용액을 제조하여 실시예와 같이 시험품을 제작하였다.In order to understand the effects such as transmittance according to the amount of lanthanum, a solution having a lanthanum content of 4 mol% and 12 mol%, respectively, was prepared, and a test article was manufactured as in Example.
시험예 :투과도, 크랙 발생 유무 등의 효과 비교 Test Example: Comparison of effects such as permeability and crack occurrence
실시예 1 및 비교예 1, 2에 대하여 가시광선의 투과도 및 크랙 발생 정도를 조사하였으며, 그 결과를 다음 표 1에 나타내었다. 이때, 가시광선의 투과도 측정은 분광측정기구를 사용 하여 380 ∼ 400 nm 파장의 범위에서 측정하였다.Example 1 and Comparative Examples 1 and 2 were examined for the visible light transmittance and the degree of crack generation, the results are shown in Table 1 below. At this time, the transmission of visible light was measured in the range of 380 ~ 400 nm wavelength using a spectrophotometer.
상기 표 1과 같이, 실시예는 비교예1, 2에 비교하여 가시광선 투과율 및 코팅후의 크랙 등에 있어서 차이를 보였다.As shown in Table 1, the Examples showed a difference in visible light transmittance, cracks after coating and the like compared to Comparative Examples 1 and 2.
즉, 란탄늄의 양이 기준량보다 적은 경우 기공율의 증가로 투명도가 떨어져서(도 5 참조) 가시광 투과율이 저하되고 작동 전압이 올라가며, 반면 기중량 보다 많은 경우 강도가 저하되어 코팅 후 크랙이 발생하게 되는 것이다(도 4 참조).That is, when the amount of lanthanum is less than the reference amount, the transparency decreases due to the increase in porosity (see FIG. 5), so that the visible light transmittance decreases and the operating voltage increases. (See FIG. 4).
상기에 설명한 바와 같이, 본 발명에 따른 코팅유리는 기존의 액정형 방현미러 등에 적용시 부품 및 공정과정이 간단해 질 수 있고, 차량의 앞유리나 옆유리에 적용시 투과도를 낮추어 주어 마주오는 차량의 강한 빛에 의한 시야의 방해를 해결해준다. 또한, 수입하고 있는 액정형의 방현미러를 대체하여 원가절감을 할 수 있고, 대 면적화가 가능하다.As described above, the coated glass according to the present invention can simplify the parts and processing process when applied to the conventional liquid crystal anti-glare mirror, and lower the transmittance when applied to the windshield or side glass of the vehicle It solves the disturbance of the vision by the strong light. In addition, it is possible to reduce the cost and large area by replacing the imported liquid crystal type antiglare mirror.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030095739A (en) * | 2002-06-14 | 2003-12-24 | 현대자동차주식회사 | PLZT coating glass having buffer layer and method for manufacturing the same |
| EP1600428A1 (en) * | 2004-05-25 | 2005-11-30 | HONDA MOTOR CO., Ltd. | Control structure for controlling water drop slidable property of surface |
| GB2497464A (en) * | 2010-10-05 | 2013-06-12 | Hewlett Packard Development Co | Scrambling an address and encrypting write data for storing in a storage device |
| KR20220062436A (en) | 2020-11-06 | 2022-05-17 | 주식회사 제뉴원사이언스 | A pharmaceutical composition for the treatment of atopic dermatitis comprising a mixed extract including Betula Platyphylla Japonica Bark Extract and Dictamnus dasycarpus bark extract as an active ingredient |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01187528A (en) * | 1988-01-22 | 1989-07-26 | Asahi Glass Co Ltd | Light control element |
| KR910006766A (en) * | 1989-09-29 | 1991-04-30 | 서주인 | Camera Shutter |
| KR950017602U (en) * | 1993-12-24 | 1995-07-22 | Windshield glass with polarization | |
| KR960001926A (en) * | 1994-06-22 | 1996-01-26 | 미따라이 하지메 | Magnetic particles for the filling means, and electrophotographic apparatus, process cartridge and image forming method comprising the same |
| KR960002074A (en) * | 1994-06-29 | 1996-01-26 | 김주용 | Printer input buffer and data input method using PIPO |
| KR0138152B1 (en) * | 1989-04-29 | 1998-04-28 | 정용문 | Light switching device using gase element |
| KR100195102B1 (en) * | 1995-12-15 | 1999-06-15 | 윤종용 | A control device of optical quantum for display |
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- 2001-06-29 KR KR1020010038128A patent/KR20030002488A/en not_active Application Discontinuation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01187528A (en) * | 1988-01-22 | 1989-07-26 | Asahi Glass Co Ltd | Light control element |
| KR0138152B1 (en) * | 1989-04-29 | 1998-04-28 | 정용문 | Light switching device using gase element |
| KR910006766A (en) * | 1989-09-29 | 1991-04-30 | 서주인 | Camera Shutter |
| KR950017602U (en) * | 1993-12-24 | 1995-07-22 | Windshield glass with polarization | |
| KR960001926A (en) * | 1994-06-22 | 1996-01-26 | 미따라이 하지메 | Magnetic particles for the filling means, and electrophotographic apparatus, process cartridge and image forming method comprising the same |
| KR960002074A (en) * | 1994-06-29 | 1996-01-26 | 김주용 | Printer input buffer and data input method using PIPO |
| KR100195102B1 (en) * | 1995-12-15 | 1999-06-15 | 윤종용 | A control device of optical quantum for display |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030095739A (en) * | 2002-06-14 | 2003-12-24 | 현대자동차주식회사 | PLZT coating glass having buffer layer and method for manufacturing the same |
| EP1600428A1 (en) * | 2004-05-25 | 2005-11-30 | HONDA MOTOR CO., Ltd. | Control structure for controlling water drop slidable property of surface |
| GB2497464A (en) * | 2010-10-05 | 2013-06-12 | Hewlett Packard Development Co | Scrambling an address and encrypting write data for storing in a storage device |
| KR20220062436A (en) | 2020-11-06 | 2022-05-17 | 주식회사 제뉴원사이언스 | A pharmaceutical composition for the treatment of atopic dermatitis comprising a mixed extract including Betula Platyphylla Japonica Bark Extract and Dictamnus dasycarpus bark extract as an active ingredient |
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