KR200181618Y1 - Thin luminescent plate having improved luminance - Google Patents

Thin luminescent plate having improved luminance Download PDF

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KR200181618Y1
KR200181618Y1 KR2019990027210U KR19990027210U KR200181618Y1 KR 200181618 Y1 KR200181618 Y1 KR 200181618Y1 KR 2019990027210 U KR2019990027210 U KR 2019990027210U KR 19990027210 U KR19990027210 U KR 19990027210U KR 200181618 Y1 KR200181618 Y1 KR 200181618Y1
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light emitting
emitting body
layer
present
improved
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KR2019990027210U
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Korean (ko)
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양승남
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주식회사에프에이엘
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources

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Abstract

본 고안은 발광도료층의 상·하측에 각각 전극이 형성되고 전압이 인가됨으로써 발광을 일으키도록 구성된 평면발광체에 있어서, 표면판재의 상측 또는 하측에 40∼70㎛의 입자크기를 갖는 글라스비드층을 50∼80㎛의 두께로 추가로 형성함으로서 발광체의 휘도를 향상시킨 것을 특징으로 한, 휘도가 향상된 평면발광체에 관한 것이다.The present invention has a glass bead layer having a particle size of 40 ~ 70㎛ on the upper side or the lower side of the surface plate material in the planar light emitting body which is formed on the upper and lower sides of the light emitting paint layer and configured to emit light by applying a voltage. The present invention relates to a flat light-emitting body having improved luminance, characterized in that the luminance of the light-emitting body is further improved by further having a thickness of 50 to 80 µm.

Description

휘도가 향상된 평면발광체{thin luminescent plate having improved luminance}Thin luminescent plate having improved luminance

본 고안은 휘도가 향상된 평면발광체에 관한 것으로, 보다 상세하게는 표면판재의 상측 또는 하측에 글라스 비드(glass beads)를 접착·고정시킴으로서 발광체의 휘도를 향상시킨 개량된 평면발광체에 관한 것이다.The present invention relates to a flat light emitting body having improved brightness, and more particularly, to an improved flat light emitting body which improves the brightness of a light emitting body by adhering and fixing glass beads on or below the surface plate.

본 고안의 고안자는 특허출원 제99-18078호(발명의 명칭 : 평면발광체 및 그 제조방법)의 발명자로서, 동 발명은 '발광도료층의 상하측에 각각 전극층이 형성되고 전압이 인가됨으로써 발광을 일으키도록 된 발광체에 있어서, 투명 또는 반투명 재질로 된 표면판재와; 상기 표면판재 위에 형성된 ITO 전극층과; 벤질타입의 포화 폴리에스터 용액 60 내지 70중량%와 발광안료 30 내지 40중량%의 비율로 혼합된 재료를 상기 ITO전극층 위에 도포하여 이루어진 발광도료층과; 사염화주석 40 내지 60중량부, 에탄올 40 내지 60중량부, 불화암모늄 0.5 내지 3중량부 및 증류수 5 내지 30중량부의 비율로 혼합된 재료를 상기 발광도료층위에 도포하여 형성된 제 1투명전극층과; 상기 제 1투명전극층과 전기적으로 연결되며 투명절연층을 사이에 두고 제 1투명전극층과 동일한 재질로 형성된 제 2투명전극층을 포함하여 구성되는 평면발광체 및 그 제조방법'에 관한 것이며, 표면판재와 저면판재를 동일 재질로 하고, 투명전극의 재질을 개량함으로써 발광효과를 향상시킨 것을 특징으로 한다.The inventor of the present invention is an inventor of patent application No. 99-18078 (name of the invention: a flat light emitting body and a method for manufacturing the same), and the present invention is an electrode layer formed on the upper and lower sides of the light emitting paint layer, and the light is applied by applying a voltage. A light emitter, which is intended to be produced, comprising: a surface plate made of a transparent or translucent material; An ITO electrode layer formed on the surface plate; A light emitting paint layer formed by applying a mixed material in a proportion of 60 to 70 wt% of a benzyl type saturated polyester solution and 30 to 40 wt% of a light emitting pigment; A first transparent electrode layer formed by applying a mixed material at a ratio of 40 to 60 parts by weight of tin tetrachloride, 40 to 60 parts by weight of ethanol, 0.5 to 3 parts by weight of ammonium fluoride and 5 to 30 parts by weight of distilled water on the light emitting paint layer; It relates to a flat light emitting body and a method of manufacturing the same comprising a second transparent electrode layer electrically connected to the first transparent electrode layer and formed of the same material as the first transparent electrode layer with a transparent insulating layer therebetween, the surface plate and the bottom surface The plate material is made of the same material, and the light emitting effect is improved by improving the material of the transparent electrode.

위의 발명이 종래 기술에 비해 그 발광효과가 향상된 것은 사실이나 본 고안자는 상기 발명인 평면발광체의 휘도를 좀 더 향상시킬 수 있는 방안을 여러 가지로 연구한 결과 본 고안을 완성하게 되었다.It is true that the above invention is improved in the luminous effect compared to the prior art, but the present inventors have completed the present invention as a result of various studies to improve the brightness of the flat light emitting body of the present invention.

본 고안은 종래 기술에 비해 그 휘도가 향상된 평면발광체를 제공하는 것을 목적으로 한다.The object of the present invention is to provide a flat light emitting body whose luminance is improved compared to the prior art.

본 고안의 다른 목적은 비교적 간단한 구조에 의해 그 휘도가 향상된 평면발광체를 제공하는 것이다.Another object of the present invention is to provide a planar light emitting body whose luminance is improved by a relatively simple structure.

도 1은 종래 평면발광체의 단면도,1 is a cross-sectional view of a conventional flat light emitting body,

도 2는 본 고안의 제 1실시예의 평면발광체의 단면도,2 is a cross-sectional view of the planar light emitting member of the first embodiment of the present invention;

도 3은 본 고안의 제 2실시예의 평면발광체의 단면도이다.3 is a cross-sectional view of the planar light-emitting body of the second embodiment of the present invention.

〈도면의 주요부분의 부호의 설명><Explanation of symbols of main parts of drawing>

1 : 표면판재 2, 4, 5 : 투명전극1: surface plate 2, 4, 5: transparent electrode

3 : 발광도료층 6 : 절연내압층3: light emitting paint layer 6: insulation pressure resistant layer

13 : 투명절연층 50 : 글라스 비드층13 transparent insulating layer 50 glass bead layer

위와 같은 목적을 달성하기 위해 본 고안은 발광도료층의 상·하측에 각각 전극이 형성되고 전압이 인가됨으로써 발광을 일으키게 된 표면발광체에 있어서, 평면발광체의 표면판재 상측 또는 하측에 40∼70㎛의 입자크기를 갖는 글라스 비드(glass beads)를 조밀하고 균일하게 부착한 것을 특징으로 하는, 휘도가 향상된 표면발광체를 제공한다.In order to achieve the above object, the present invention is a surface light-emitting body that is caused to emit light by the electrode is formed on the upper and lower sides of the light-emitting paint layer and the voltage is applied, the surface of the flat light emitting body 40 ~ 70㎛ It provides a surface light-emitting body having improved brightness, characterized in that the glass beads (glass beads) having a particle size is attached densely and uniformly.

더욱 구체적으로 본 고안은,More specifically, the present invention,

50 내지 80㎛의 두께를 갖는 글라스비드층과;A glass bead layer having a thickness of 50 to 80 µm;

투명 또는 반투명 재질로 된 표면판재와;A surface plate of transparent or translucent material;

상기 표면판재 위에 형성된 ITO 전극층과;An ITO electrode layer formed on the surface plate;

벤질타입의 포화 폴리에스터 용액 60 내지 70중량%와 발광안료 30 내지 40중량%의 비율로 혼합된 재료를 상기 ITO전극층 위에 도포하여 이루어진 발광도료층과;A light emitting paint layer formed by applying a mixed material in a proportion of 60 to 70 wt% of a benzyl type saturated polyester solution and 30 to 40 wt% of a light emitting pigment;

사염화주석 40 내지 60중량부, 에탄올 40 내지 60중량부, 불화암모늄 0.5 내지 3중량부 및 증류수 5 내지 30중량부의 비율로 혼합된 재료를 상기 발광도료층위에 도포하여 형성된 제 1투명전극층과;A first transparent electrode layer formed by applying a mixed material at a ratio of 40 to 60 parts by weight of tin tetrachloride, 40 to 60 parts by weight of ethanol, 0.5 to 3 parts by weight of ammonium fluoride and 5 to 30 parts by weight of distilled water on the light emitting paint layer;

상기 제 1투명전극층과 전기적으로 연결되며 투명절연층을 사이에 두고 제 1투명전극층과 동일한 재질로 형성된 제 2투명전극층을 포함하여 구성되는 휘도가 향상된 평면발광체를 제공하는 것이다.The present invention provides a planar light emitting device having an improved brightness including a second transparent electrode layer electrically connected to the first transparent electrode layer and having a transparent insulating layer interposed therebetween and formed of the same material as the first transparent electrode layer.

본 고안의 휘도가 향상된 표면발광체는 조밀하고 균일하게 표면판재 위에 부착된 무수한 글라스비드가 발광된 발광도료층의 빛을 난반사함으로써 평면발광체의 휘도가 대략 15%∼25% 향상된다.The surface light-emitting body of which the brightness of the present invention is improved is approximately 15% to 25% of the brightness of the flat light-emitting body by diffusely reflecting light of the light emitting layer in which numerous glass beads adhered onto the surface plate compactly and uniformly.

이하, 본 고안을 그 실시예에 의해 상세히 설명한다.Hereinafter, the present invention will be described in detail by way of examples.

[실시예 1]Example 1

도 2는 본 고안의 제1 실시예의 평면발광체의 단면도로서, 표면판재(1)의 하부에 배치된 공지의 투명전극(2) 위에 발광도료층(3), 투명전극층(4,5), 절연내압층(6) 및 투명절연층(13)을 각각 일정두께로 차례로 배치하여 구성된 종래의 평면발광체의 구성(도 1참조)에 부가하여 표면판재(1)위에 글라스비드층(50)을 형성하였다.FIG. 2 is a cross-sectional view of the planar light emitting member of the first embodiment of the present invention, wherein the light emitting paint layer 3, the transparent electrode layers 4, 5, and the insulation are disposed on a known transparent electrode 2 disposed below the surface plate 1; The glass bead layer 50 was formed on the surface plate 1 in addition to the conventional planar light-emitting body structure (see FIG. 1) formed by sequentially arranging the pressure-resistant layer 6 and the transparent insulating layer 13 at a predetermined thickness. .

미설명 부호중 2'와 5'는 투명전극층의 노출부, 7은 절연층, 12는 저면판재, 13은 투명절연층이다.Reference numerals 2 'and 5' denote exposed portions of the transparent electrode layer, 7 an insulating layer, 12 a bottom plate material, and 13 a transparent insulating layer.

이때, 글라스 비드층(50)은 크기가 대략 60㎛인 무수한 글라스 비드를 반응형 에폭시수지와 용제를 배합한 접착제와 1:2의 비율로 혼합한 것을 스테인레스 스틸망에 의한 스크린 인쇄방법으로 형성할 수 있다.At this time, the glass bead layer 50 is formed by mixing a myriad of glass beads having a size of approximately 60㎛ with an adhesive containing a reactive epoxy resin and a solvent in a ratio of 1: 2 by a screen printing method using a stainless steel mesh. Can be.

위와 같이 글라스 비드가 부착고정된 제품을 건조로에 넣어 120℃에서 4분간 건조시키고 3분간 110℃로 냉각시키면서 경화시켜서 본 고안의 휘도가 향상된 평면발광체를 제조하였다.As described above, a glass bead attached product was placed in a drying furnace, dried at 120 ° C. for 4 minutes, and cured while cooling to 110 ° C. for 3 minutes to prepare a flat light emitting body having improved brightness.

위에서 스크린 인쇄에 의한 글라스 비드와 접착제 혼합물의 도포두께는 대략 60㎛였고 건조후에 측정한 두께는 대략 40㎛이었다.The coating thickness of the glass beads and adhesive mixture by screen printing from above was approximately 60 μm and the thickness measured after drying was approximately 40 μm.

위와 같은 실시예의 평명발광체의 휘도를 글라스 비드가 부착고정되기 전과 비교한 결과 대략 18%의 휘도 향상효과를 측정할 수 있었다.Comparing the luminance of the flat light emitter of the above embodiment with the glass bead attached before fixing it was able to measure the brightness enhancement effect of approximately 18%.

[실시예 2]Example 2

도 3은 본 고안의 제2 실시예의 평면발광체의 단면도로서, 실시예 1과 달리 투명전극층(2) 밑에 자외선 코팅층(20), 글라스 비드층(50) 표면판재(1)를 차례로 형성한 것이다.3 is a cross-sectional view of the planar light emitting body according to the second embodiment of the present invention. Unlike the first embodiment, an ultraviolet coating layer 20 and a glass bead layer 50 surface plate member 1 are sequentially formed under the transparent electrode layer 2.

위에서, 투명전극층(2) 밑에 글라스 비드층(10)을 형성하는 방법은 실시예 1과 동일하다.Above, the method of forming the glass bead layer 10 under the transparent electrode layer 2 is the same as in the first embodiment.

위의 구성중 자외선 코팅층(20)은 두지 않아도 무방하다.In the above configuration, the ultraviolet coating layer 20 may not be placed.

도 3의 도면 부호중 30은 반사필름층, 40은 제 2절연내압층을 도시한 것이다.In FIG. 3, reference numeral 30 denotes a reflective film layer, and 40 denotes a second dielectric breakdown voltage layer.

위의 실시예 1, 2외에도 여러가지로 실험한 결과, 글라스비드의 크기는 40∼70㎛, 글라스비드와 접착제 혼합물의 두포두께는 대략 50∼80㎛, 건조후의 두께는 40∼70㎛, 건조는 110℃∼140℃에서 3분 내지 6분, 경화는 건조온도에서 20℃∼30℃정도 냉각시키면서 2분 내지 4분의 조건이 적합함이 확인되었다. 휘도향상효과는 15%∼25%로 측정되었다.In addition to the above Examples 1 and 2, various experiments showed that the glass beads had a size of 40-70 μm, the thickness of the glass beads and the adhesive mixture was approximately 50-80 μm, the thickness after drying was 40-70 μm, and the drying 110. It was confirmed that the conditions of 2 minutes to 4 minutes were suitable, while cooling at 20 degreeC-30 degreeC at 3 to 6 minutes and hardening at C-140 degreeC and drying temperature. The brightness enhancement effect was measured to be 15% to 25%.

이상 설명한 바와 같이, 본 고안은 비교적 간단한 구조에 의해 평면발광체의 휘도를 향상시킬수 있고 그에 따라 평면발광체의 실용성을 높이는 효과가 있다.As described above, the present invention can improve the luminance of the planar light emitting body by a relatively simple structure, thereby increasing the practicality of the flat light emitting body.

Claims (2)

발광도료층의 상. 하측에 각각 전극이 형성되고 전압이 인가됨으로써 발광을 일으키도록 구성된 평면발광체에 있어서,Image of light emitting paint layer. In the planar light-emitting body configured to cause light emission by forming an electrode on the lower side and applying a voltage, 평면발광체의 표면판재 상측 또는 하측에 40∼70㎛의 입자크기를 갖는 글라스비드층을 50∼80㎛의 두께로 형성한 것을 특징으로 하는, 휘도가 향상된 평면발광체.A flat light emitting body having improved luminance, characterized in that a glass bead layer having a particle size of 40 to 70 μm is formed on the upper or lower surface plate material of the flat light emitting body to have a thickness of 50 to 80 μm. 제 1항에 있어서, 상기 글라스 비드층은 스크린 인쇄방법으로 형성되는 것을 특징으로 하는, 휘도가 향상된 평면발광체.The flat light emitting device according to claim 1, wherein the glass bead layer is formed by a screen printing method.
KR2019990027210U 1999-12-06 1999-12-06 Thin luminescent plate having improved luminance KR200181618Y1 (en)

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