KR19980018023A - Light Transmissive and Reflective Films - Google Patents
Light Transmissive and Reflective Films Download PDFInfo
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- KR19980018023A KR19980018023A KR1019970004784A KR19970004784A KR19980018023A KR 19980018023 A KR19980018023 A KR 19980018023A KR 1019970004784 A KR1019970004784 A KR 1019970004784A KR 19970004784 A KR19970004784 A KR 19970004784A KR 19980018023 A KR19980018023 A KR 19980018023A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
Abstract
본 발명은 전계 효과형 액정표시장치 등에 주로 사용되는 광투과 및 반사형 필름에 관한 것으로, 투명고분자 재료의 편면에 미세한 요철을 부여해 광을 산란시키도록 한 기존 필름에서의 문제점인 심미성과 품위면에 대한 개선을 목적으로 안출된 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a light transmissive and reflective film mainly used in field effect liquid crystal displays, and the like, in which a single surface of a transparent polymer material is provided with fine concavities and convexities to scatter light. It is intended for improvement.
즉, 본 발명은 투명수지층과 투명점착물질에 입자분포크기가 다른 두 종류의 진주안료 또는 백색과 녹색의 두종류 진주안료를 혼합 첨가하고 아울러 육안적 밝음 효과를 증진시키기 위해 형광증백제와 형광염료를 함께 첨가하여 균일 분산 혼합된 광확산 점착층으로 구성된 것임을 특징으로 한 필름에 관한 것으로서, 이와 같이 형성된 광투과 및 반사형 필름은 심미성이 뛰어나고 밝음 효과가 우수한 특징을 지닌다.That is, the present invention is a mixture of two kinds of pearl pigments having different particle distribution sizes or two kinds of pearl pigments of white and green to the transparent resin layer and the transparent adhesive material and at the same time to enhance the visual brightness effect and fluorescent brightener and fluorescence The present invention relates to a film comprising a light-diffusion adhesive layer uniformly dispersed by adding a dye together. The light-transmitting and reflecting film formed as described above has excellent aesthetics and excellent light effect.
Description
본 발명은 전계효과형 액정표시장치 등에 광확산판으로 사용되는 광투과 및 반사형 필름에 관한 것이다,The present invention relates to a light transmissive and reflective film used as a light diffusion plate for a field effect liquid crystal display device.
종래 사용되는 광 확산판으로는 유리 혹은 폴리에스터, 폴리프로필렌 등 투명성이 있는 고분자 재료의 편면에 미세한 요철을 부여해 광을 산란시키도록 하는 것이 알려져 있다. 그러나, 이와같은 확산판으로는 광확산성이 약하고 게다가 손상되기 쉬우며 요철의 크기를 균일하게 마무리하는 것이 고도의 기술을 요하는 문제점이 있다.Conventionally, as a light diffusion plate used, it is known to give fine irregularities to one side of a transparent polymer material such as glass or polyester or polypropylene so as to scatter light. However, such a diffuser plate has a problem in that light diffusivity is weak, and also easily damaged, and uniformly finishing the size of the unevenness requires high technology.
이에 관련된 문제를 해결하는 방법으로서 일본특원소 55-164960(특개소 57-88401)에서는 기판내에서 광을 반사함과 동시에 확산시키는 진주안료를 균일하게 분산시킴과 동시에 광확산 투과성을 갖는 수지층을 형성하는 방법을 제시하였다.As a method for solving the problem, Japanese Patent Application No. 55-164960 (Japanese Patent Application No. 57-88401) uniformly disperses a pearl pigment that reflects and diffuses light in a substrate, and at the same time provides a resin layer having light diffusivity. The method of formation is presented.
이와같은 방법에서는 투명성이 있는 고분자재료의 편면에 진주안료와 기타 금속산화물이 분산된 점착층을 형성시키는 것만으로도 확산성과 자기지지성을 충분히 보완할 수 있는 장점이 있다. 그러나, 상기 방법에 의해 제조된 반사판은 진주안료의 입도분포가 연속적인 점으로 인해 육안적 심미성(진주빛 반짝거림)이 떨어지기 때문에 고품위 칼라면에서 만족스럽지 못한 문제점이 있다.In such a method, there is an advantage that it is possible to sufficiently complement the diffusivity and self-support just by forming an adhesive layer in which pearl pigment and other metal oxides are dispersed on one side of the transparent polymer material. However, the reflecting plate manufactured by the above method has a problem in that it is not satisfactory in terms of high quality color because the visual aesthetics (pearl glitter) are inferior due to the continuous particle size distribution of the pearl pigment.
본 발명은 상기와 같은 문제점을 해결하기 위해 안출된 것으로서, 진주안료의 입도분포의 불연속적인 속성을 도입하여 심미성을 높인 새로운 반사형 필름을 제공하는 것을 그 목적으로 한 것이다.The present invention has been made to solve the above problems, it is an object of the present invention to provide a new reflective film with improved aesthetics by introducing a discontinuous property of the particle size distribution of pearl pigments.
본 발명은 상기와 같은 목적을 달성하기 위하여 투명수지층과 투명점착 물질에 2종류의 입도분포 크기로 된 진주안료 및 형광염료 그리고 형광 증백제가 균일하게 분산 혼합된 광확산 점착층으로 구성된 것임을 특징으로 하는 광투과 및 반사형 필름을 제공한다.In order to achieve the above object, the present invention is composed of a light-diffusion adhesive layer in which two kinds of particle size distribution pearl pigments, fluorescent dyes and fluorescent brighteners are uniformly dispersed and mixed in a transparent resin layer and a transparent adhesive material. It provides a light transmissive and reflective film.
이하에서 본 발명을 구체적으로 설명한다.Hereinafter, the present invention will be described in detail.
일반적으로 백색의 조명광이 백색 그대로 통과하기 위해서는 확산판의 투과 분광스펙트라도 뉴트랄 쪽에 가까워야 하며, 파장 의존성이 없는 형태이어야 한다.In general, in order for the white illumination light to pass through as it is, the transmission spectra of the diffusion plate must be close to the neutral side, and the shape must have no wavelength dependency.
그러나, 종래의 기술인 일본특원소 55-11496호에 따른 진주안료를 함유하는 기판층이 있는 확산판은 분광스펙트라 상에서 볼 때 적색계의 광을 많이 투과시키고 청색계의 광을 흡수하는 경향을 보이는데, 본 발명에서는 청색계의 광을 보충함으로서 뉴트랄계에 가깝게하여 투과색이 백색에 근접되도록 하기 위해 형광염료를 사용한다. 이때 사용되는 형광염료로는 청색계 파장쪽에 발광극대 파장이 있고 동시에 투명물질에 균일하게 용해 또는 분산하는 것이 바람직한데, 특히 분광스펙트럼상에서 500∼520nm파장쪽에 발광극대 파장이 있는 형광염료를 사용하는 것이 효과적이다.However, the diffuser plate having the substrate layer containing pearl pigment according to the conventional Japanese Patent Application No. 55-11496 shows a tendency to transmit a lot of red light and absorb blue light when viewed on a spectroscopic spectrum. In the present invention, a fluorescent dye is used to make the transmission color close to white by replenishing blue light so as to be close to the neutral light. At this time, it is preferable that the fluorescent dye used has a maximal emission wavelength at the blue wavelength side and is uniformly dissolved or dispersed in a transparent material. In particular, it is preferable to use a fluorescence dye having a maximum emission wavelength at the 500-520 nm wavelength on the spectral spectrum. effective.
형광염료의 첨가량은 염료의 발광강도 성능에 따라 다르지만 투명점착물질 100중량부당 약 0.05∼16중량부의 범위에서 첨가할 수 있는데, 0.05중량부 미만에서는 투과광 색조가 변화될 수가 있고 16중량부 초과시에는 일반적으로 투명물질에 대해 용해성이 부족하고 염료의 석출이 많이 생길 우려가 있다.The amount of fluorescent dye added depends on the luminous intensity performance of the dye, but can be added in the range of about 0.05 to 16 parts by weight per 100 parts by weight of the transparent adhesive material. As a result, there is a possibility that the solubility of the transparent material is insufficient and a lot of dyes are precipitated.
그리고, 본 발명에서는 형광염료 외에 형광효과를 증진시키기 위해 선택적으로 형광증백제를 함께 사용할 수도 있는데, 이때 사용되는 형광증백제의 바람직한 첨가량은 투명점착물질 100중량부당 0.1∼6.0중량부로, 0.1중량부 이하에서는 밝기 효과가 적고 6.0중량부 이상에서는 너무 눈이 부신 단점이 있다.In addition, in the present invention, in addition to the fluorescent dye may be optionally used together with the optical brightener to enhance the fluorescent effect, the preferred amount of the optical brightener used is 0.1 to 6.0 parts by weight per 100 parts by weight of the transparent adhesive material, 0.1 parts by weight Less brightness effect is below and there is a disadvantage that too dazzling at 6.0 parts by weight or more.
본 발명에 사용되는 진주안료는 투명성이 우수한 백운모로 구성되며 약 1∼150㎛의 평균경과 각 경의 1/10이하(좋게는 1/15∼1/100)의 후도를 갖는 비늘상 운모의 표면에 직경이 약 0.03∼0.1㎛인 이산화티탄 미립자를 수화물로 하여 도포하고 배소하여 박막상의 티탄피복을 형성하여 얻어진다. 이같이 얻어진 이산화티탄 피복운모를 사용하면 운모가 필름층내에서 배열하여 층상구조를 이루고 입사한 광을 배열한 비늘 조각상의 결정에 규칙적으로 다중반사시켜 심미가 있는 광택이 얻어지는데, 특히 입도분포 크기가 5∼15㎛인 것과 45∼85㎛인 것을 혼합하여 사용하는 것이 효과가 더욱 좋으며, 또한 백색계 진주안료와 녹색계 진주안료를 대략 1∼5 : 1의 비율로 혼용하여 반사칼라면을 연록색으로 만들 수 있다.The pearl pigment used in the present invention is composed of white mica having excellent transparency and has a surface of scaly mica having an average diameter of about 1 to 150 µm and a thickness of less than 1/10 of the diameter (preferably 1/15 to 1/100). It is obtained by coating and roasting titanium dioxide fine particles having a diameter of about 0.03 to 0.1 탆 as a hydrate to form a thin titanium coating. Using the titanium dioxide coated mica obtained in this way, mica is arranged in a film layer to form a layered structure and regularly reflects to the crystals of scales on which incident light is arranged, thereby obtaining aesthetic gloss. It is more effective to use a mixture of ˜15 μm and 45 ˜85 μm, and the white pearl pigment and the green pearl pigment are mixed at a ratio of about 1 to 5: 1 to make the reflective knife ramen green. Can be.
진주안료의 첨가량은 각 안료의 크기, 형상, 재질 등에 따라 다르지만 투명점착물질 100중량부당 약 2∼60중량부의 범위에서 첨가할 수 있다. 2중량부 미만에서는 광의 투과성이 양호한 반면 반사 및 확산효과가 불충분하고, 60중량부 초과시에는 확산효과가 불충분하고 게다가 투과량이 감소하기 때문에 좋지 않다.The amount of pearl pigment added varies depending on the size, shape and material of each pigment, but may be added in the range of about 2 to 60 parts by weight per 100 parts by weight of the transparent adhesive material. If it is less than 2 parts by weight, the light transmittance is good, but the reflection and diffusion effects are insufficient, and if it is more than 60 parts by weight, the diffusion effects are insufficient and the amount of transmission decreases.
본 발명에서 사용되는 투명 수지층은 광학적 투명성이 있는 합성수지를 사용하는데, 구체적으로는, (메타)아크릴계수지, 폴리카보네이트, 아세테이트, 폴리에스터, 폴리스티렌, 폴리우레탄 등의 고분자 재료가 이용된다.As the transparent resin layer used in the present invention, synthetic resin having optical transparency is used. Specifically, polymer materials such as (meth) acrylic resin, polycarbonate, acetate, polyester, polystyrene, polyurethane and the like are used.
그리고, 투명점착물질로는 아크릴계 중합물 또는 공증합물, 우레탄 아크릴계 공중합물과 같이 투명성을 지닌 점착물질이 사용된다.As the transparent adhesive material, an adhesive material having transparency such as an acrylic polymer or a co-polymer and a urethane acrylic copolymer is used.
이하에서 실시예 및 비교예를 들어 본 발명을 좀더 구체적으로 설명한다.Hereinafter, the present invention will be described in more detail with reference to Examples and Comparative Examples.
실시예 및 비교예에 사용되는 진주안료의 입자의 종류 및 크기분포를 하기 표1에 나타내었다.The types and size distributions of particles of pearl pigments used in Examples and Comparative Examples are shown in Table 1 below.
[실시예 1]Example 1
아크릴계 수지를 사용한 투명 수지층과, 아크릴계 공중합체로 된 투명점착물질 100중량부에 하기 표2에 나타낸 등급의 입자크기 및 분포를 지닌 2종류의 진주안료를 각각 10중량부, 형광염료 및 형광증백제를 2.5중량부 첨가 혼합하여 제조된 광확산 점착층으로 광투과 및 반사형 필름을 제조하였으며, 육안관찰에 의한 심미성 정도와 분광스펙트럼상의 특성 투과광 파장을 표2에 나타내었다.10 parts by weight of a transparent resin layer using an acrylic resin and two kinds of pearl pigments having particle sizes and distributions of the grades shown in Table 2, respectively, in 100 parts by weight of a transparent adhesive material made of an acrylic copolymer, fluorescent dyes and fluorescence A light transmitting and reflective film was prepared using a light diffusion adhesive layer prepared by adding 2.5 parts by weight of a whitening agent, and the degree of aesthetics by visual observation and the characteristic transmitted light wavelength on the spectral spectrum are shown in Table 2.
[실시예 2]Example 2
2종류의 진주안료로 백색계 진주안료 12중량부, 녹색계 진주안료 8중량부 사용한 것 외에는 실시예 1과 동일하게 실시하였으며, 육안관찰에 의한 심미성 정도와 분광스펙트럼상의 특성 투과광 파장을 표2에 나타내었다.Except that 12 parts by weight of white pearl pigments and 8 parts by weight of green pearl pigments were used as two kinds of pearl pigments, the same procedure as in Example 1 was carried out. Indicated.
[비교예 1]Comparative Example 1
표2에 나타낸 바와같이 1종류의 진주안료 10중량%, 형광염료 및 형광증백제를 각각 2.5중량부 사용한 것 외에는 실시예와 동일하게 실시하였으며, 육안 관찰에 의한 심미성 정도와 분광스펙트럼상의 특성 투과광 파장을 표2에 나타내었다.As shown in Table 2, except that 10% by weight of one type of pearl pigment, 2.5 parts by weight of fluorescent dyes and optical brighteners were used, the same procedure as in Example was carried out. Is shown in Table 2.
효과 큼--------◎Big effect -------- ◎
효과있음--------○Effective -------- ○
효과적음--------△Effective -------- △
효과없음--------×No effect -------- ×
이와같이 본 발명에 따라 제조된 광투과 및 반사형 필름은 투명점착물질에 혼합, 분산되는 물질 중 진주안료의 입자크기분포에 따라 반투과 필름의 심미성이 차이를 보이기 때문에 고객의 취향에 적합한 진주빛 반사광을 얻을 수 있고, 반사칼라면을 은은한 연록색으로하여 심미성을 향상시킬 수 있는 장점이 있으며, 형광증백제와 형광염료를 사용함에 따라 희고 밝음정도를 증진시켜 액정디스플레이상에서 진주빛 반사효과와 함께 품위있는 외관을 형성한다.As described above, the light-transmitting and reflecting film prepared according to the present invention exhibits aesthetics of the semi-transmissive film according to the particle size distribution of pearl pigments among the materials mixed and dispersed in the transparent adhesive material. It has the advantage of improving the aesthetics by making the reflection knife razor soft green color, and by using the optical brightener and fluorescent dye, it improves the whiteness and brightness, and with the pearlescent reflection effect on the liquid crystal display Form the appearance.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
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| KR19960035103 | 1996-08-23 | ||
| KR101996035103 | 1996-08-23 | ||
| KR96-35103 | 1996-08-23 |
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| KR19980018023A true KR19980018023A (en) | 1998-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1019970004784A KR100200419B1 (en) | 1996-08-23 | 1997-02-17 | Light transmittance and reflex film |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100397722B1 (en) * | 1999-06-30 | 2003-09-13 | 산요덴키가부시키가이샤 | Planar light source unit and display device |
| KR100476068B1 (en) * | 1999-12-04 | 2005-03-10 | 에스케이씨 주식회사 | Light-Diffusing Film |
| KR100466091B1 (en) * | 1996-09-09 | 2005-10-13 | 도레이새한 주식회사 | Manufacturing method of LCD light diffusion film |
| KR100693680B1 (en) * | 1999-06-07 | 2007-03-09 | 닛토덴코 가부시키가이샤 | Diffusing adhesive layer, optical member and liquid-crystal display device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024005517A1 (en) * | 2022-06-29 | 2024-01-04 | 주식회사 상보 | Color film for paint protection |
-
1997
- 1997-02-17 KR KR1019970004784A patent/KR100200419B1/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100466091B1 (en) * | 1996-09-09 | 2005-10-13 | 도레이새한 주식회사 | Manufacturing method of LCD light diffusion film |
| KR100693680B1 (en) * | 1999-06-07 | 2007-03-09 | 닛토덴코 가부시키가이샤 | Diffusing adhesive layer, optical member and liquid-crystal display device |
| KR100397722B1 (en) * | 1999-06-30 | 2003-09-13 | 산요덴키가부시키가이샤 | Planar light source unit and display device |
| KR100476068B1 (en) * | 1999-12-04 | 2005-03-10 | 에스케이씨 주식회사 | Light-Diffusing Film |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100200419B1 (en) | 1999-06-15 |
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