JPH0927298A - Flat type light source - Google Patents
Flat type light sourceInfo
- Publication number
- JPH0927298A JPH0927298A JP7173175A JP17317595A JPH0927298A JP H0927298 A JPH0927298 A JP H0927298A JP 7173175 A JP7173175 A JP 7173175A JP 17317595 A JP17317595 A JP 17317595A JP H0927298 A JPH0927298 A JP H0927298A
- Authority
- JP
- Japan
- Prior art keywords
- light source
- face plate
- flat
- discharge
- insulating substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Liquid Crystal (AREA)
- Discharge Lamp (AREA)
Abstract
(57)【要約】 （修正有）
【課題】 透過型液晶パネル等、バックライトが必要な
表示素子を使用する、例えばテレビ、ゲーム機等の情報
映像機器やワープロ等のＯＡ機器、若しくは光源を内臓
した表示システム等において、簡単な構造で高輝度、高
効率、長寿命の平板型光源を提供する。
【解決手段】 発光面となる透光性を有する面板１０
と、面板の内面に形成された複数の透明導電膜２０から
なる電極と、透明導電膜が外部電極部とされる部分以外
を覆って設けられた透光性を有する誘電体層３０と、面
板と対向して配置され、透明導電膜電極と交叉する方向
で、放電空間を区画して設けられた複数の放電路５０
と、放電路の内壁面に被着された蛍光体６０とを有する
絶縁基板４０からなり、面板と絶縁基板とを一体に封着
し、内部に希ガス、又は希ガスと水銀を封入する。
(57) [Abstract] (Correction) [Problem] Use of a display element such as a transmissive liquid crystal panel that needs a backlight, for example, an information image device such as a television or a game machine, an OA device such as a word processor, or a light source (EN) Provided is a flat panel light source having a simple structure, high brightness, high efficiency, and long life in a built-in display system or the like. A light-transmitting face plate having a light-transmitting property.
An electrode composed of a plurality of transparent conductive films 20 formed on the inner surface of the face plate, a transparent dielectric layer 30 covering the portion other than the portion of the transparent conductive film serving as an external electrode portion, and a face plate. A plurality of discharge paths 50 that are arranged to face each other and partition a discharge space in a direction intersecting with the transparent conductive film electrodes.
And a phosphor 60 attached to the inner wall surface of the discharge path, the face plate and the insulating substrate are integrally sealed, and a rare gas or a rare gas and mercury are sealed inside.
Description
【０００１】[0001]
【産業上の利用分野】本発明は平面状に発光する平板型
光源に関し、より詳細には透過型液晶パネル等、バック
ライトが必要な表示素子を使用する、例えばテレビ、ゲ
ーム機やカーナビゲーションシステム等の情報映像機器
やワープロ等のＯＡ機器、若しくは光源を内臓した表示
システム等における平板型光源に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat plate type light source which emits light in a plane, and more particularly, uses a display element such as a transmissive liquid crystal panel which needs a backlight, for example, a television, a game machine or a car navigation system. The present invention relates to a flat panel light source in an information image device such as the above, an OA device such as a word processor, or a display system including a light source.
【０００２】[0002]
【従来の技術】液晶パネルは薄型軽量で、消費電力が少
ないため、テレビやワープロ、パソコン等のＯＡ機器あ
るいは各種の情報映像ディスプレイとして広く利用され
ている。この液晶パネルは自発光素子でないため、画像
表示のために背面から光を供給する平板型の面状照明装
置や平板型光源が必要である。2. Description of the Related Art Since a liquid crystal panel is thin and lightweight and consumes little power, it is widely used as an OA device such as a television, a word processor, a personal computer or various information video displays. Since this liquid crystal panel is not a self-luminous element, a flat type planar illumination device or a flat type light source that supplies light from the back side for image display is required.
【０００３】図８は、例えば特開平６−２３１７３１に
記載されている従来の平板型光源の構造図で、透光性を
有する前面平面基板１００と、前面平面基板１００の内
面に被着された蛍光体膜６０と、前面平面基板１００に
対向して設けられた背面基板１１０と、背面基板１１０
の内面にパターン形成された導体電極２１と、導体電極
２１を覆う誘電体膜３１と、誘電体膜３１の上面に被着
された蛍光体膜６１と、前面平面基板１００と背面基板
１１０とに一定の間隙を保持して放電空間５１を密封す
る外枠体４５とを備え、放電からの紫外線で蛍光体６
０、６１を励起発光させる。本構成では、前面平面基板
１００が発光面となり、この上に液晶パネルが設けられ
る。FIG. 8 is a structural view of a conventional flat plate type light source described in, for example, Japanese Patent Application Laid-Open No. 6-231731. Phosphor film 60, rear substrate 110 provided so as to face front flat substrate 100, and rear substrate 110
The conductor electrode 21 patterned on the inner surface of the substrate, the dielectric film 31 covering the conductor electrode 21, the phosphor film 61 deposited on the upper surface of the dielectric film 31, the front flat substrate 100 and the rear substrate 110. And an outer frame body 45 that holds a constant gap and seals the discharge space 51, and the phosphor 6 is irradiated by ultraviolet rays from the discharge.
0 and 61 are excited to emit light. In this configuration, the front flat substrate 100 serves as a light emitting surface, and the liquid crystal panel is provided thereon.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記し
た従来の平板型光源では、電極上の誘電体上に蛍光体が
塗布されている構造のため、放電時のイオン衝撃で蛍光
体が劣化する。このため、輝度の低下が激しく、寿命が
短いという問題があった。また、電極を接近させて並べ
ているため、放電のモードは負グローを利用することに
なる。このため、発光効率が悪く、消費電力が大きい等
の問題もあった。However, in the above-mentioned conventional flat type light source, since the phosphor is coated on the dielectric on the electrode, the phosphor is deteriorated by ion bombardment during discharge. Therefore, there has been a problem that the brightness is drastically reduced and the life is short. Further, since the electrodes are arranged close to each other, the negative glow is used as the discharge mode. Therefore, there are problems that the luminous efficiency is poor and the power consumption is large.
【０００５】本発明の目的は上記した問題点を解消する
ためになされたもので、簡単な構造で高輝度、高効率、
長寿命な平板型光源を提供することにある。The object of the present invention is to solve the above-mentioned problems, and has a simple structure, high brightness, high efficiency,
It is to provide a long-life flat panel light source.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
本発明による平板型光源は、発光面となる透光性を有す
る面板と、該面板の内面に形成された複数の透明導電膜
からなる電極と、該透明導電膜が外部電極部とされる部
分以外を覆って設けられた透光性を有する誘電体層と、
前記面板と対向して配置され、前記透明導電膜電極と交
叉する方向で、放電空間を区画して設けられた複数の放
電路と、該放電路の内壁面に被着された蛍光体とを有す
る絶縁基板とを備え、前記面板と前記絶縁基板とが一体
に封着され、内部に希ガス、又は希ガスと水銀が封入さ
れている。In order to achieve the above object, a flat type light source according to the present invention comprises a light-transmitting face plate and a plurality of transparent conductive films formed on the inner surface of the face plate. An electrode, and a transparent dielectric layer provided so as to cover the portion other than the portion where the transparent conductive film serves as an external electrode portion,
A plurality of discharge paths that are arranged so as to face the face plate and partition the discharge space in a direction that intersects with the transparent conductive film electrode; and a phosphor that is adhered to the inner wall surface of the discharge path. An insulating substrate is provided, the face plate and the insulating substrate are integrally sealed, and a rare gas, or a rare gas and mercury are sealed inside.
【０００７】[0007]
【作用】本発明のように構成された平板型光源によれ
ば、発光面となる透光性を有する面板の内面には透明導
電膜からなる電極が形成され、面板と対向して配置され
た絶縁基板の放電空間を形成する内壁面に被着された蛍
光体が発光する。According to the flat plate type light source constructed as in the present invention, an electrode made of a transparent conductive film is formed on an inner surface of a light-transmitting face plate which is a light emitting surface, and is arranged so as to face the face plate. The phosphor attached to the inner wall surface forming the discharge space of the insulating substrate emits light.
【０００８】発光面に形成されている電極は透明である
ので、蛍光体の発光を減少させないと共に、蛍光体の発
光は反射光を利用するので高輝度化が図れる。Since the electrode formed on the light emitting surface is transparent, the light emission of the phosphor is not reduced, and the light emitted from the phosphor uses reflected light, so that high brightness can be achieved.
【０００９】また、放電は蛍光体が塗布されていない面
板で発生し、面板上で面放電を行うため、蛍光体への荷
電粒子の衝突がほとんどなくなる。このため、蛍光体の
劣化が少なくなり、輝度の低下が少なく長寿命になる。Further, since the discharge is generated on the face plate not coated with the phosphor, and the face discharge is performed on the face plate, collision of the charged particles on the phosphor is almost eliminated. Therefore, the phosphor is less deteriorated, the luminance is less deteriorated, and the life is extended.
【００１０】また、電極間は陽光柱が発生するよう充分
長く配置してあり、放電時は陽光柱を利用して蛍光体を
発光させるので、高輝度、高効率になり低消費電力化が
可能になる。Further, the electrodes are arranged long enough to generate a positive column, and the fluorescent column is used to emit light during discharge, so that high brightness, high efficiency and low power consumption are possible. become.
【００１１】[0011]
【実施例】つぎに本発明の実施例を図面と共に説明す
る。図１は本発明による平板型光源の一実施例を示す断
面斜視図である。図において、１０はソーダガラス等か
らなる透光性の面板（以下、面板と称する）で、内面に
はネサ膜またはＩＴＯ膜等からなる透明導電膜の電極２
０が設けられており、さらにその表面全面には透光性の
誘電体層３０が、例えば厚膜印刷法で形成されている。
４０はソーダガラスやセラミック等からなる絶縁基板
で、放電空間を区画して放電路５０が電極２０と交叉す
る方向に並んでおり、放電路５０の内壁面には放電で発
生した紫外線で発光する蛍光体６０が塗布されている。
前記面板１０と前記絶縁基板４０とは、例えば低融点ガ
ラス等（図示せず）を用いて一体に気密封着され、放電
路５０内にはキセノン、クリプトン、アルゴン、ヘリウ
ム、ネオン等の希ガス、又は水銀と始動用ガスとしてア
ルゴンやネオン−アルゴン等の混合ガスが封入されてい
る。希ガスは要求される特性により単体または二種類以
上混合して封入する。封入圧力は、１ｋＰａから１００
ｋＰａの範囲で、適当な圧力を選択すればよい。Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a sectional perspective view showing an embodiment of a flat plate type light source according to the present invention. In the figure, 10 is a light-transmitting face plate made of soda glass or the like (hereinafter referred to as a face plate), and an electrode 2 of a transparent conductive film made of a Nesa film or an ITO film on the inner surface.
0, and a transparent dielectric layer 30 is formed on the entire surface by, for example, a thick film printing method.
Reference numeral 40 denotes an insulating substrate made of soda glass, ceramics or the like, and a discharge space is defined so that the discharge path 50 is aligned in a direction intersecting with the electrode 20. The inner wall surface of the discharge path 50 emits ultraviolet rays generated by the discharge. The phosphor 60 is applied.
The face plate 10 and the insulating substrate 40 are integrally hermetically sealed by using, for example, a low melting point glass (not shown) or the like, and a rare gas such as xenon, krypton, argon, helium or neon is contained in the discharge path 50. Alternatively, mercury and a mixed gas such as argon or neon-argon as a starting gas are enclosed. The rare gas may be used alone or as a mixture of two or more depending on the required characteristics. Filling pressure is from 1 kPa to 100
An appropriate pressure may be selected within the range of kPa.
【００１２】本発明の平板型光源によれば、発光面とな
る面板１０に形成されている電極は透明であるので蛍光
体の発光を減少させないと共に、蛍光体の発光は反射光
を利用するので面輝度で10,000ｃｄ／ｍ2以上と高輝度
化が図れ、明るいディスプレイが得られる。According to the flat-type light source of the present invention, since the electrodes formed on the face plate 10 serving as a light emitting surface are transparent, the emission of the phosphor is not reduced and the emitted light of the phosphor utilizes reflected light. The surface brightness can be increased to 10,000 cd / m 2 or more, and a bright display can be obtained.
【００１３】放電路５０の寸法は、輝度や表示画面の大
きさにもよるが、深さは０．１mmから５mm程度が利用範
囲で、なかでも１mmから３mmの範囲がバックライト用と
して輝度、効率両者から望ましい。放電路５０のピッチ
は、深さと同じ位から大気圧の差圧で面板が破損しない
程度までの間の適当な長さでよい。また、駆動周波数
は、10ｋＨｚから500ｋＨｚで、正弦波か矩形波、また
はパルス電圧を印加して電界放電を行わせる。駆動回路
の電流容量によっては、透明導電膜２０は図２に示した
ように、分割して両側から取り出したり、途中に複数本
設けても良い。The size of the discharge path 50 depends on the brightness and the size of the display screen, but a depth of about 0.1 mm to 5 mm is a usable range, and a range of 1 mm to 3 mm is a brightness for a backlight. It is desirable from both efficiency. The pitch of the discharge path 50 may be an appropriate length from the same level as the depth to the extent that the face plate is not damaged by the pressure difference of atmospheric pressure. The driving frequency is 10 kHz to 500 kHz, and a sine wave, a rectangular wave, or a pulse voltage is applied to cause electric field discharge. Depending on the current capacity of the drive circuit, the transparent conductive film 20 may be divided and taken out from both sides as shown in FIG. 2, or a plurality of transparent conductive films 20 may be provided in the middle.
【００１４】さらに面板１０の内面に設けられた透光性
の誘電体層３０の表面をＭｇＯ等の保護層（図示せず）
で覆ってやることで、動作電圧の低下、スパッタの減少
が可能になり、さらに長寿命の平板型光源になる。Further, the surface of the transparent dielectric layer 30 provided on the inner surface of the face plate 10 is covered with a protective layer (not shown) such as MgO.
By covering with, it becomes possible to reduce the operating voltage and the spatter, and it becomes a flat type light source with a longer life.
【００１５】図３（ａ）、（ｂ）、（ｃ）は面板に電極
を形成した状態の部分平面図で、面板１０の内面に形成
されたＩＴＯ膜やネサ膜等の透明導電膜２０の上に重ね
て細い線状の電極７０や、ストライプ状電極７１、メッ
シュ状電極７２等の金属電極を形成したものである。本
構成にすることで、透明導電膜２０の抵抗が高くても金
属電極の抵抗が小さく、電極２０全面がほぼ同電位にな
る。この結果、放電の均一性を増すことができ、発光の
均斉度を良くすることが出来る。また、放電電流を増加
した場合でも透明導電膜２０での抵抗損を減少できる。
８０は電力導入用の端子で外部に出ている。3 (a), 3 (b) and 3 (c) are partial plan views in which electrodes are formed on the face plate. The transparent conductive film 20 such as an ITO film or a NES film formed on the inner surface of the face plate 10 is shown. Metal electrodes such as thin linear electrodes 70, stripe-shaped electrodes 71, mesh-shaped electrodes 72, etc. are formed on top of each other. With this configuration, even if the resistance of the transparent conductive film 20 is high, the resistance of the metal electrode is low, and the entire surface of the electrode 20 has substantially the same potential. As a result, the uniformity of discharge can be increased and the uniformity of light emission can be improved. Moreover, even when the discharge current is increased, the resistance loss in the transparent conductive film 20 can be reduced.
Reference numeral 80 is a terminal for introducing electric power, which is exposed to the outside.
【００１６】図４は本発明による平板型光源の放電路の
断面を示したもので、絶縁基板４０に設けられた放電路
５０の断面の基本形状が、面板に向かって開くような勾
配や曲面、又はそれらを組合せた形状を有し、（ａ）は
矩形とテーパを組み合わせたもの、（ｂ）は半円筒状の
放電路５０を並べた例である。本構造にすることで、放
電路５０の壁面に塗布された蛍光体６０の発光が有効に
表示面側に取り出せ、高輝度化が達成できる。また、放
電路が設けられている絶縁基板を、フォルステライト等
の白色系のセラミックスで形成すれば反射率が良く、さ
らに高輝度化が図れる。FIG. 4 shows a cross section of the discharge path of the flat light source according to the present invention. The basic shape of the cross section of the discharge path 50 provided in the insulating substrate 40 is a slope or a curved surface that opens toward the face plate. , Or a combination thereof, (a) is a combination of a rectangle and a taper, and (b) is an example in which semi-cylindrical discharge paths 50 are arranged. With this structure, the light emission of the phosphor 60 applied to the wall surface of the discharge path 50 can be effectively extracted to the display surface side, and high brightness can be achieved. Further, if the insulating substrate provided with the discharge path is made of white ceramics such as forsterite, the reflectance is good and the brightness can be further increased.
【００１７】図５は本発明による平板型光源の別の実施
例を示す放電路の断面図で、絶縁基板４１はソーダガラ
ス等を用い、金型上で加熱成形したり、プレス成形した
り、溶融したガラスを型に注入して成形する等の方法で
半円筒状や波形の放電路５０を製作することが出来る。
本実施例のように、絶縁基板にガラス等の透光性を有す
る絶縁材料で構成する場合、裏面に、例えばアルミニウ
ムのような反射膜９０を設けてやれば発光面１０の輝度
を増加させることができる。FIG. 5 is a sectional view of a discharge path showing another embodiment of the flat plate type light source according to the present invention. The insulating substrate 41 is made of soda glass or the like and is heat-molded or press-molded on a mold. The semi-cylindrical or corrugated discharge path 50 can be manufactured by a method such as injecting molten glass into a mold and molding.
When the insulating substrate is made of a transparent insulating material such as glass as in the present embodiment, the brightness of the light emitting surface 10 can be increased by providing a reflective film 90 such as aluminum on the back surface. You can
【００１８】図６は本発明による絶縁基板の別の実施例
を示す断面図で、放電路を有する絶縁基板を製作する
際、平板状の絶縁板４２と、放電空間を区画する三角形
の仕切り板４３と、外界と密封する外枠体４４とを並べ
て形成したもので、これらは、例えば低融点ガラスフリ
ットで接着して一体にすればよい。仕切り板４３はガラ
スやセラミックの丸棒等を用いてもよい。本構成にすれ
ば、単純な部品を用いることで、簡単に絶縁基板を作成
できる利点がある。FIG. 6 is a cross-sectional view showing another embodiment of the insulating substrate according to the present invention. When manufacturing an insulating substrate having a discharge path, a flat insulating plate 42 and a triangular partition plate for partitioning a discharge space are provided. 43 and an outer frame body 44 for sealing with the outside world are formed side by side, and these may be integrated by bonding with a low melting point glass frit, for example. The partition plate 43 may be a glass or ceramic round bar or the like. According to this structure, there is an advantage that an insulating substrate can be easily manufactured by using simple parts.
【００１９】図７は、本発明による平板型光源の他の実
施例を示す図で、放電路５０の軸方向（長手方向）の断
面図で、発光面となる透光性を有する面板１０の内面に
形成された透明導電膜からなる電極２０と、該透明導電
膜を覆って設けられた透光性を有する誘電体層３０から
なり、絶縁基板４０の内壁面には蛍光体６０が被着され
ているとともに、前記誘電体層３０が放電空間５０に面
した部分で、前記電極２０以外の表面に蛍光体６１を被
着したことを特徴とする。本構成によれば、電極２０の
上には蛍光体６１が塗布されていないため輝度劣化が少
ない。また、蛍光体の被着面積が多くなり明るくなる。
さらに、蛍光体が光拡散効果を出し、発光面の均斉度が
向上する効果もある。但し、面板１０の蛍光体６１は薄
く塗布することが重要で、厚くなると明るさが逆に減少
するので注意が必要である。FIG. 7 is a view showing another embodiment of the flat-type light source according to the present invention, which is a cross-sectional view of the discharge path 50 in the axial direction (longitudinal direction) and shows a light-transmitting face plate 10 having a light transmitting property. An electrode 20 made of a transparent conductive film is formed on the inner surface, and a transparent dielectric layer 30 is provided so as to cover the transparent conductive film. The phosphor 60 is attached to the inner wall surface of the insulating substrate 40. In addition, the phosphor layer 61 is coated on the surface other than the electrode 20 in the portion of the dielectric layer 30 facing the discharge space 50. According to this configuration, since the phosphor 61 is not coated on the electrode 20, the deterioration in brightness is small. In addition, the area covered by the phosphor is increased and it becomes brighter.
In addition, the phosphor has a light diffusing effect, which also improves the uniformity of the light emitting surface. However, it is important that the phosphor 61 of the face plate 10 is applied thinly, and as the thickness thereof increases, the brightness decreases conversely.
【００２０】また、動作時の温度が40℃を越えるような
場合、例えばIn-Hg、Bi-In-Hg、Bi-Pb-Sn-Hg、Zn-Hg等
の水銀アマルガムを内部に封入すれば水銀の蒸気圧を最
適な値に制御でき、発光効率を低下させることがない。When the temperature during operation exceeds 40 ° C., if mercury amalgam such as In-Hg, Bi-In-Hg, Bi-Pb-Sn-Hg, Zn-Hg is enclosed inside. The vapor pressure of mercury can be controlled to an optimum value, and luminous efficiency is not reduced.
【００２１】以上、実施例で述べたように、本発明によ
る平板型光源は、簡単な構造で装置を薄形軽量にできる
と共に、装置製作時のコスト低下が図れ、信頼性が高
く、高輝度、高効率、長寿命の平板型光源が得られる。As described above in the embodiments, the flat-type light source according to the present invention can make the device thin and lightweight with a simple structure, reduce the cost at the time of manufacturing the device, have high reliability and high brightness. It is possible to obtain a flat type light source with high efficiency and long life.
【００２２】[0022]
【発明の効果】以上説明したように、本発明における平
板型光源によれば、発光面に形成されている電極は透明
であるので、蛍光体の発光を減少させないと共に、蛍光
体の発光は反射光を利用するので高輝度化が図れ、明る
いディスプレイが得られる。As described above, according to the flat plate type light source of the present invention, since the electrode formed on the light emitting surface is transparent, the emission of the phosphor is not reduced and the emission of the phosphor is reflected. Since light is used, high brightness can be achieved and a bright display can be obtained.
【００２３】また、放電は蛍光体が塗布されていない前
面板で発生し、蛍光体への荷電粒子の衝突がほとんどな
くなるため、蛍光体の劣化が少なくなり、輝度の低下を
大幅に抑えられるので長寿命になる。Further, the discharge is generated on the front plate which is not coated with the phosphor, and the collision of the charged particles with the phosphor is almost eliminated, so that the deterioration of the phosphor is reduced and the deterioration of the brightness can be largely suppressed. It has a long life.
【００２４】また、放電は陽光柱を利用して蛍光体を発
光させるので、高輝度、高効率になり低消費電力化が可
能になる。Further, since the discharge utilizes the positive column to cause the phosphor to emit light, high brightness and high efficiency are achieved, and low power consumption is possible.
【００２５】さらに部品点数が少なく装置製作時のコス
ト低下が図れる効果もある。Furthermore, there is an effect that the number of parts is small and the cost can be reduced at the time of manufacturing the device.
【００２６】この結果、簡単な構造であるので信頼性が
高く、高輝度、高効率、長寿命の平板型光源が得られ
る。As a result, a flat type light source having a simple structure and high reliability, high brightness, high efficiency and long life can be obtained.
【００２７】[0027]
【図１】本発明による平板型光源の一実施例を示す断面
斜視図である。FIG. 1 is a sectional perspective view showing an embodiment of a flat plate type light source according to the present invention.
【図２】本発明による平板型光源の面板の別の実施例を
示す平面図である。FIG. 2 is a plan view showing another embodiment of the face plate of the flat light source according to the present invention.
【図３】本発明による平板型光源の別の実施例を示す部
分平面図である。FIG. 3 is a partial plan view showing another embodiment of the flat panel light source according to the present invention.
【図４】本発明による平板型光源の絶縁基板の別の実施
例を示す断面図である。FIG. 4 is a sectional view showing another embodiment of the insulating substrate of the flat light source according to the present invention.
【図５】本発明による平板型光源の別の実施例を示す断
面図である。FIG. 5 is a sectional view showing another embodiment of the flat panel light source according to the present invention.
【図６】本発明による平板型光源の絶縁基板の別の実施
例を示す断面図である。FIG. 6 is a cross-sectional view showing another embodiment of the insulating substrate of the flat light source according to the present invention.
【図７】本発明による平板型光源の別の実施例を示す断
面図である。FIG. 7 is a sectional view showing another embodiment of the flat panel light source according to the present invention.
【図８】従来の平板型光源を示す断面図である。FIG. 8 is a cross-sectional view showing a conventional flat plate light source.
１０……透光性面板 ２０……透明導電膜 ３０……誘電体層 ４０……絶縁基板 ４２……仕切り板 ４３……外枠体 ５０……放電路 ６０……蛍光体 ７０……金属電極 ８０……端子 ９０……反射膜 １００……前面平面基板 １１０……背面基板 10 ... Translucent face plate 20 ... Transparent conductive film 30 ... Dielectric layer 40 ... Insulating substrate 42 ... Partition plate 43 ... Outer frame body 50 ... Discharge path 60 ... Phosphor 70 ... Metal electrode 80: Terminal 90: Reflective film 100: Front flat substrate 110: Rear substrate
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｈ０１Ｊ 61/92 Ｈ０１Ｊ 61/92 Ｊ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical indication H01J 61/92 H01J 61/92 J
Claims (11)
板の内面に形成された複数の透明導電膜からなる電極
と、該透明導電膜が外部電極部とされる部分以外を覆っ
て設けられた透光性を有する誘電体層と、前記面板と対
向して配置された絶縁基板と、該絶縁基板に被着された
蛍光体とからなり、前記面板と前記絶縁基板とが一体に
封着され、内部に希ガス、又は希ガスと水銀が封入され
ていることを特徴とする電界放電型の平板型光源。1. A light-transmitting face plate having a light-transmitting surface, an electrode made of a plurality of transparent conductive films formed on the inner surface of the face plate, and the transparent conductive film covering a portion other than a portion serving as an external electrode portion. A transparent dielectric layer, an insulating substrate arranged to face the face plate, and a phosphor adhered to the insulating substrate. The face plate and the insulating substrate are integrated. An electric field discharge type flat panel light source, characterized in that it is sealed with a rare gas or a rare gas and mercury are sealed inside.
板の内面に形成された複数の透明導電膜からなる電極
と、該透明導電膜が外部電極部とされる部分以外を覆っ
て設けられた透光性を有する誘電体層と、前記面板と対
向して配置され、前記面板と一体に封着されて放電空間
を構成する絶縁基板からなり、前記放電空間を区画して
設けられた複数の放電路と、該放電路の内壁面に被着さ
れた蛍光体とを有し、内部に希ガス、又は希ガスと水銀
が封入されていることを特徴とする電界放電型の平板型
光源。2. A light-transmitting face plate serving as a light-emitting surface, an electrode formed of a plurality of transparent conductive films formed on the inner surface of the face plate, and the transparent conductive film covering a portion other than a portion serving as an external electrode portion. A dielectric layer having a light-transmitting property, and an insulating substrate that is arranged so as to face the face plate and is sealed integrally with the face plate to form a discharge space, and the discharge space is partitioned and provided. Of a plurality of discharge paths and a phosphor adhered to the inner wall surface of the discharge path, and a rare gas, or a rare gas and mercury are enclosed in the electric field discharge type. Flat type light source.
アルゴン、ヘリウム、ネオン等の希ガスを単体で用いる
か、２種類以上の希ガスを混合して用いたことを特徴と
する請求項１又は請求項２記載の平板型光源。3. A filling gas, xenon, krypton,
The flat light source according to claim 1 or 2, wherein a rare gas such as argon, helium, or neon is used alone, or two or more kinds of rare gases are mixed and used.
の上に重ねてストライプ状やメッシュ状等の金属電極を
形成したのち透光性の誘電体層を設けたことを特徴とす
る請求項１から請求項３記載の平板型光源。4. A transparent dielectric layer is provided after a metal electrode having a stripe shape, a mesh shape or the like is formed on a plurality of transparent conductive films formed on the inner surface of a face plate. The flat type light source according to claim 1.
が、面板に向かって開くような勾配や曲面、又はそれら
を組合せた形状に形成したことを特徴とする請求項１か
ら請求項４記載の平板型光源。5. The cross-sectional shape of the discharge path provided on the insulating substrate is formed to have a slope or a curved surface that opens toward the face plate, or a combination thereof. The flat light source described.
の表面を保護層で覆ったことを特徴とする請求項１から
請求項５記載の平板型光源。6. The flat light source according to claim 1, wherein the surface of the transparent dielectric layer provided on the inner surface of the face plate is covered with a protective layer.
系のセラミックスで形成したことを特徴とする請求項１
から請求項６記載の平板型光源。7. The insulating substrate provided with a discharge path is formed of white ceramics.
7. The flat light source according to claim 6.
板に放電空間を区画する仕切り板を並べて複数の放電路
を形成し、外界と密封する外枠体とを備えたことを特徴
とする請求項１から請求項７記載の平板型光源。8. An insulating substrate having a discharge path is provided with an outer frame body which forms a plurality of discharge paths by arranging a partition plate for partitioning a discharge space on a flat insulating plate to form a plurality of discharge paths. The flat plate type light source according to claim 1.
形成された複数の透明導電膜からなる電極と、該透明導
電膜が外部電極部とされる部分以外を覆って設けられた
透光性を有する誘電体層からなり、前記誘電体層が放電
空間に面した部分で、前記電極部以外の表面に蛍光体を
被着したことを特徴とする請求項１から請求項８記載の
平板型光源。9. An electrode formed of a plurality of transparent conductive films formed on the inner surface of a light-transmitting face plate that serves as a light emitting surface, and the transparent conductive film is provided so as to cover portions other than portions to be external electrode portions. 9. A fluorescent substance is attached to a surface other than the electrode portion at a portion of the dielectric layer that is transparent to light and faces the discharge space. Flat plate type light source.
透光性を有する絶縁材料で構成し、前記絶縁基板の外側
に光反射層を設けたことを特徴とする請求項１から請求
項９記載の平板型光源。10. An insulating substrate having a discharge path is made of a translucent insulating material such as glass, and a light reflecting layer is provided outside the insulating substrate. 9. The flat type light source according to item 9.
特徴とする請求項１から請求項１０記載の平板型光源。11. A flat light source according to claim 1, wherein mercury amalgam is enclosed inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7173175A JP3026416B2 (en) | 1995-07-10 | 1995-07-10 | Flat light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7173175A JP3026416B2 (en) | 1995-07-10 | 1995-07-10 | Flat light source |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11210232A Division JP2000082441A (en) | 1999-07-26 | 1999-07-26 | Flat light source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0927298A true JPH0927298A (en) | 1997-01-28 |
| JP3026416B2 JP3026416B2 (en) | 2000-03-27 |
Family
ID=15955490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7173175A Expired - Fee Related JP3026416B2 (en) | 1995-07-10 | 1995-07-10 | Flat light source |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3026416B2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002058093A3 (en) * | 2001-01-17 | 2002-12-05 | Plasmion Corp | Area lamp apparatus |
| KR20030062141A (en) * | 2002-01-16 | 2003-07-23 | 삼성전자주식회사 | Flat Fluorescent Lamp having a divided discharge space |
| KR100393190B1 (en) * | 2001-03-06 | 2003-07-31 | 삼성전자주식회사 | Method for manufacturing flat fluorescent lamp |
| WO2005048294A1 (en) * | 2003-11-13 | 2005-05-26 | Nihon University | Field emission ultraviolet lamp |
| EP1622189A3 (en) * | 2004-07-13 | 2006-03-29 | Samsung Electronics Co., Ltd. | Flat fluorescent lamp and liquid crystal display device having the same |
| JP2006108087A (en) * | 2004-10-07 | 2006-04-20 | Samsung Sdi Co Ltd | Surface light source device and display device |
| KR100614719B1 (en) * | 2004-06-23 | 2006-08-22 | 금호전기주식회사 | Flat fluorescent lamp |
| US7157846B2 (en) | 2003-06-10 | 2007-01-02 | Au Optronics Corporation | Blink plasma backlight system for liquid crystal display |
| KR100712004B1 (en) * | 2003-04-02 | 2007-05-02 | 델타 옵토일렉트로닉스, 아이엔씨. | Cold cathode fluorescent flat lamp |
-
1995
- 1995-07-10 JP JP7173175A patent/JP3026416B2/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002058093A3 (en) * | 2001-01-17 | 2002-12-05 | Plasmion Corp | Area lamp apparatus |
| KR100393190B1 (en) * | 2001-03-06 | 2003-07-31 | 삼성전자주식회사 | Method for manufacturing flat fluorescent lamp |
| KR20030062141A (en) * | 2002-01-16 | 2003-07-23 | 삼성전자주식회사 | Flat Fluorescent Lamp having a divided discharge space |
| KR100712004B1 (en) * | 2003-04-02 | 2007-05-02 | 델타 옵토일렉트로닉스, 아이엔씨. | Cold cathode fluorescent flat lamp |
| US7157846B2 (en) | 2003-06-10 | 2007-01-02 | Au Optronics Corporation | Blink plasma backlight system for liquid crystal display |
| WO2005048294A1 (en) * | 2003-11-13 | 2005-05-26 | Nihon University | Field emission ultraviolet lamp |
| KR100614719B1 (en) * | 2004-06-23 | 2006-08-22 | 금호전기주식회사 | Flat fluorescent lamp |
| EP1622189A3 (en) * | 2004-07-13 | 2006-03-29 | Samsung Electronics Co., Ltd. | Flat fluorescent lamp and liquid crystal display device having the same |
| US7259517B2 (en) | 2004-07-13 | 2007-08-21 | Samsung Electronics Co., Ltd. | Flat fluorescent lamp and liquid crystal display device having the same |
| JP2006108087A (en) * | 2004-10-07 | 2006-04-20 | Samsung Sdi Co Ltd | Surface light source device and display device |
| US7535161B2 (en) | 2004-10-07 | 2009-05-19 | Samsung Mobile Display Co., Ltd. | Flat fluorescent lamp and display device having the same |
| JP2011034974A (en) * | 2004-10-07 | 2011-02-17 | Samsung Mobile Display Co Ltd | Plane light source device, and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3026416B2 (en) | 2000-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH10247474A (en) | Planar illumination lamp and manufacturing method thereof | |
| JP2000082441A (en) | Flat light source | |
| JP3026416B2 (en) | Flat light source | |
| US6984930B2 (en) | Discharge lamp with ignition aid of a UV/VIS material having high secondary electron emission coefficient | |
| JPH10222083A (en) | Flat type light source and liquid crystal display device thereof | |
| JP2006073494A (en) | Flat fluorescent lamp and liquid crystal display device having the same | |
| JPH08115707A (en) | Flat type surface light source device | |
| JP2007087900A (en) | Backlight system | |
| JPH117916A (en) | Flat panel light source and liquid crystal display | |
| KR20020012096A (en) | A fabrication method of the AC driven plasma device for the flat lamps | |
| KR101016575B1 (en) | Flat fluorescent lamp and liquid crystal display device having same | |
| JP2006093072A (en) | Flat fluorescent lamp and liquid crystal display device having the same | |
| JP2000228172A (en) | Flat type light source | |
| JP3622572B2 (en) | Flat light source | |
| KR100637070B1 (en) | Liquid crystal display device having a surface light source unit and a surface light source unit | |
| KR20060105368A (en) | Light generating unit, manufacturing method thereof, backlight assembly having same, and display device having same | |
| US20070296327A1 (en) | Planar Discharge Lamp And Lighting Device | |
| JP3633227B2 (en) | Discharge device, illumination device, and liquid crystal display device | |
| JP2000323100A (en) | Flat light source and liquid crystal display device using the same | |
| KR20050072987A (en) | Surface light source device and liquid crystal display apparatus having the same | |
| JP2000011950A (en) | Flat light source | |
| KR200156664Y1 (en) | Flat panel fluorescent tube | |
| JP2006173081A (en) | Flat fluorescent lamp and liquid crystal display device having the same | |
| KR980009281U (en) | Surface light source device | |
| JP2002251982A (en) | Flat light source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19991214 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080128 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090128 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100128 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100128 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110128 Year of fee payment: 11 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110128 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110128 Year of fee payment: 11 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120128 Year of fee payment: 12 |
|
| LAPS | Cancellation because of no payment of annual fees |