JPS63232261A - Plane type fluorescent lamp - Google Patents
Plane type fluorescent lampInfo
- Publication number
- JPS63232261A JPS63232261A JP6662087A JP6662087A JPS63232261A JP S63232261 A JPS63232261 A JP S63232261A JP 6662087 A JP6662087 A JP 6662087A JP 6662087 A JP6662087 A JP 6662087A JP S63232261 A JPS63232261 A JP S63232261A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- pair
- reinforcing
- flat
- fitting
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 claims abstract description 60
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 239000005357 flat glass Substances 0.000 claims description 26
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000006121 base glass Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は、ワードプロセッサ或いはパーソナルコンピュ
ータ等における液晶デ（スブＬイ装置や液晶ＴＶ装置の
バックライトとして好適な平面型螢光灯に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a flat fluorescent lamp suitable as a backlight for a liquid crystal display device or a liquid crystal TV device in a word processor or a personal computer.
〈口）従来の技術
液晶パネルは軽薄で消費電力が少ないという利点がある
ため、液晶ＴＶの他にパーツ丁ルコンピュータ或いはワ
ードプロセッサ等のディスプレイデバイスとして広く利
用きれている。一方、液晶自身は非発光であるためバッ
クライトとして例えば実開昭５４−１１１９８５号公報
（９３Ｄ３１１）に記載の如き平面型螢光灯を用いるこ
とか必要となる。(Example) Conventional technology Since liquid crystal panels have the advantage of being lightweight and having low power consumption, they are widely used as display devices for computers, word processors, etc. in addition to liquid crystal TVs. On the other hand, since the liquid crystal itself does not emit light, it is necessary to use a flat fluorescent lamp as described in, for example, Japanese Utility Model Application Publication No. 54-111985 (93D311) as a backlight.
また、上記、α晶パネルは近年ｘ型化が進み伊；えばＡ
４サイスのものも使用されるようにｔって来ており、こ
の様な大型の液晶パネルに用いる平面型螢光灯も大型化
する必要が生じてきた。しかしながら、ガラス容器を大
型にすると大気圧による爆縮を防止するために板厚の厚
いガラスを用いなければならず、軽量、薄型化の妨げと
なってしまう欠点があった。In addition, the above-mentioned α-crystal panels have recently become x-type; for example, A
4-size fluorescent lamps are now being used, and it has become necessary to increase the size of flat fluorescent lamps used in such large liquid crystal panels. However, if the glass container is made large, thick glass must be used to prevent implosion due to atmospheric pressure, which has the disadvantage of hindering reduction in weight and thickness.
上記欠点を解消するために、本願出願人は先に特願昭６
１−５４１９４号にて、対向する上下−・対の平板ガラ
ス間に補強ガラスを配設することにより耐圧を上げ、薄
型化を可能とした平面型螢光灯を提案している。In order to eliminate the above-mentioned drawbacks, the applicant of this application first filed a patent application in 1986.
No. 1-54194 proposes a flat fluorescent lamp that increases pressure resistance and enables thinning by arranging reinforcing glass between a pair of opposing flat glasses.
しかしながら、上記補強ガラスを上下平板ガラス間に固
定する場合、従来、ブリットガラス等を用いて固定して
いたため、ブリットガラスのはみ出し等により輝度ムラ
が発生していた０士た、補強ガラスを正確に位置決めし
て固定するのは非常に作業性が悪かった。However, when fixing the above-mentioned reinforced glass between the upper and lower flat glasses, conventionally it was fixed using bullet glass, etc., which caused uneven brightness due to protrusion of the bullet glass. Positioning and fixing was extremely difficult.
〈ハ）発明が解決しようとする問題涜。(c) A violation of the problem that the invention seeks to solve.
本発明は上述の豆に鑑み為されたものであ←）、補強ガ
ラスを用いても色度ム５が発生せず均一な輝度が得られ
ると共に、補強ガラスの固定の作業性の良い平面型螢光
灯を提供するものである。The present invention has been made in view of the above-mentioned issues.It is a flat type that can obtain uniform brightness without causing chromaticity 5 even when reinforced glass is used, and has good workability in fixing the reinforced glass. It provides fluorescent light.
（ニ）問題点を解決憚るための手段
本発明は、一対の放マ電極に夫々底ヒ部を形成し、この
嵌合部に前記補強ガラスの端部を嵌合せしめることによ
り前記補強ガラスを前記ガラス容器内に固定してなる。(d) Means for solving the problem The present invention provides a method for forming a pair of radiation electrodes with bottom holes, and fitting the end portions of the reinforcing glass into the fitting portions. is fixed in the glass container.
（ホ）作用
補強ガラスは嵌合部に嵌合することにより一対の平板ガ
ラス間に固定きれ、ガラス容器の爆縮を防止する。(E) Function: By fitting into the fitting portion, the reinforcing glass can be fixed between the pair of flat glasses, thereby preventing implosion of the glass container.
くべ）実施例 以下、図面に従い本発明の一実施（ダｌｔ−説明する。Kube) Example Hereinafter, one embodiment of the present invention will be explained with reference to the drawings.
第１図は本実施例における平面型分光灯の分解４４視図
、第２区（イ〉（ロ）（ハ）は夫々、同平面型螢光灯の
平面図、Ａ−Ａ ’断面図及びＢ−Ｂ’断面図である。FIG. 1 is an exploded perspective view of the flat spectroscopic lamp in this embodiment, and sections (A), (B), and (C) are respectively a plan view, an A-A' cross-sectional view, and a cross-sectional view of the flat fluorescent lamp. It is a BB' cross-sectional view.
ズ中、（ｉＨ２）はその内面に於光、摸＜３＞（４＞６
）夫々形成されたＡ４サイス（２７Ｓ皿Ｘ１９２ｒｃ）
の上下平板ガラスであり、前記螢光膜は夫々、スリット
状の無塗布部（５）（６）により３分割されでいる。During the process, (iH2) is illuminated on its inner surface, and the image <3>(4>6
) Each formed A4 size (27S plate x 192rc)
The fluorescent film is divided into three parts by slit-shaped uncoated parts (5) and (6).
また、上平板ガラス（１）の上面は粗面カロエ移れると
共に上平板ガラス（２）の下面には無塗布部く６）（６
）に対応して、この無塗布部よりは巾広のア、レミ箔よ
りなる反射膜（７）（７）が形成きれている。In addition, the upper surface of the upper flat glass (1) has a rough surface, and the lower surface of the upper flat glass (2) has an uncoated area 6) (6)
), the reflective film (7) (7) made of remi foil, which is wider than the non-coated area, has been completely formed.
（８）は前記上下平板ガラス間を所定間隔に保持する口
字状の枠ガラスであり、−Ｅ上平板ガラスと共にガラス
容器を構成する。＜９）（９）は断面口字状の一対の放
電電極であり、両側には端部での放電促進のための補助
電極（９ａ）（９ａ）・・・が夫々形成されると共に、
前記無塗布部の位置の延長上に口字状の切欠き（９ｂ）
（９ｂ）・・・が形成され１いる。 （１０）（１０）
・・・は前記補助電極に夫々スポット溶接により接続さ
れ外部へ突出する断面り字状のリード片であり、電気的
機能の外に前記放電々傷を機械的に支持する機能をも有
する＝ （１１）＜１１）は前記上下平板ガラス間の間
隙に等しい高さの角柱法の補強゛ぜラスであり爆縮と防
止する。また、この補強力３ス：ま前記放電電極の切欠
きく、 ９ ｂ）（９ｂ）・・にそσノ一部が嵌合する
と共に、その上下面は無塗布部く５）（６）・・・に対
応して接触する。更に、この補強ガラスの表面は後述す
る如く、粗面加工されている。(8) is a corner-shaped frame glass that maintains a predetermined distance between the upper and lower flat glasses, and constitutes a glass container together with the -E upper flat glass. <9) (9) is a pair of discharge electrodes with an open-shaped cross section, and auxiliary electrodes (9a) (9a)... for promoting discharge at the ends are formed on both sides, respectively, and
A mouth-shaped notch (9b) is provided on the extension of the position of the non-coated area.
(9b)... is formed. (10) (10)
. . . are lead pieces connected to the auxiliary electrodes by spot welding and protruding outward, and have the function of mechanically supporting the discharge scratches in addition to their electrical function = ( 11) <11) is a prismatic reinforcing glass with a height equal to the gap between the upper and lower flat glasses, which prevents implosion. In addition, this reinforcing force 3: a part of the notch of the discharge electrode, 9 b) (9b)... is fitted, and the upper and lower surfaces are uncoated parts 5) (6). Contact in response to... Furthermore, the surface of this reinforced glass is roughened, as will be described later.
また、（１２）は前記ガラス容器内部の空気を排気する
と共（）アルゴンガス及び水銀を流入セしめた後、その
先端が熱融着により密閉されるチップ管である。Further, (12) is a tip tube whose tip is sealed by thermal fusion after exhausting the air inside the glass container and (2) injecting argon gas and mercury.
次にＥ記平面型賛光灯の組立て手順について説明する。Next, the procedure for assembling the E-type flat type celebratory light will be explained.
まず、予めその外面が粗面加工された上平板ガラス（１
）及び予めその外面の所定位置に反射膜（７〉が形成さ
れた上平板ガラス（２）の各内面に無塗布部を残して螢
光膜（３＞＜４＞をスクリーン印刷する。First, the upper flat glass (1
) and a fluorescent film (3><4>) is screen printed on each inner surface of the upper flat glass (2), on which a reflective film (7> has been previously formed at a predetermined position on its outer surface), leaving an uncoated area.
そして、上平板ガラス（２ン上に一対の放電電極（９Ｈ
９）及び第３図に示す如くこの放電電極の切欠き（９ｂ
）（９ヒ）・・・に嵌合する一対の補強ガラス（１１）
（１１）を所定位置に載置する。′ｊ、前記放電ヤ唖の
両イ則の補助亘ｉ（９ａ）（９ａ’＋ｉこは予めり−１
２片（１０）（１０）・・・がスボ・７ト溶接により豐
定吾７Ｌ’７：いると共に、補強ガラス（１１）（１１
）の表面には粗面加工が施されている。Then, a pair of discharge electrodes (9H
9) and the notch (9b) of this discharge electrode as shown in FIG.
) (9hi) A pair of reinforced glasses (11) that fit into...
(11) is placed in a predetermined position. 'j, auxiliary value i (9a) (9a'+i) of the above-mentioned electric discharge law is -1
The two pieces (10) (10)... are welded to the bottom and the reinforced glass (11) (11).
) has a roughened surface.
次に、上平板ガラス（２）上に枠ガラスく８）、チップ
管（１２）及び上平板ガラスく１）をフリットガラスと
共に載置し８、熱融着により密閉されたガラス容器を形
成する。Next, the frame glass 8), the chip tube (12), and the upper flat glass 1) are placed on the upper flat glass (2) together with the frit glass 8, forming a sealed glass container by heat fusion. .
最後にチップ管（１２）より容器内の空気をｔＪｌ気す
ると共にアルゴンガス及び水銀を流入せしめた後、その
先端を熱融着して密閉する。Finally, after tJl of air is removed from the container through the tip tube (12) and argon gas and mercury are introduced into the container, the tip of the tip tube is heat-sealed to seal it.
、 上述の容器内における、補強ガラス（１１）（１
１＞の機械的支持は第３図に示す如く切欠さく９ｂ）へ
の嵌合のみで行なわれており、上下平板ガラス（１）（
２）にフリットガラスにより固定する必要がないためフ
リットガラスのはみ出し等による輝度ムラが発生するこ
とがない。, Reinforced glass (11) (1) in the above-mentioned container
1> is provided only by fitting into the cutout frame 9b) as shown in Fig. 3, and the upper and lower flat glass plates (1) (
2) Since there is no need for fixing with a frit glass, uneven brightness due to protrusion of the frit glass, etc. does not occur.
次に本実施例における補強ガラス（１１）の拡大断面図
を第４図に示す、補強ガラス〈１１）の上下面は夫々、
上下平板カラス（１）（２）の無塗布部（５）（６）に
対向して位置しており、また、下工板ガラスく２）の無
塗布部く６〉に対応する位置の下面には反射膜（７）が
形成きれている。従って、補強ガラス（１１〉に入射し
側壁で乱反射して上方へ向った光は無塗布部（５）及び
上平板ガラス（１）を透過して外方へ放射される。また
、下方へ反射した光は下劣の無塗布部（６）及び上平板
ガラス（２）を透過し、反射膜（７）で反射して上方へ
向い、前述同様に上平板ガラス（１）を透過して外方へ
放射される。Next, FIG. 4 shows an enlarged cross-sectional view of the reinforced glass (11) in this example. The upper and lower surfaces of the reinforced glass (11) are respectively
It is located opposite the uncoated areas (5) and (6) of the upper and lower flat glass plates (1) and (2), and is also located on the lower surface of the base glass plate at the position corresponding to the uncoated area 6 of the lower plate glass plate 2). The reflective film (7) has been completely formed. Therefore, the light that enters the reinforced glass (11), diffusely reflects on the side wall, and heads upward passes through the uncoated portion (5) and the upper flat glass (1) and is emitted outward.It is also reflected downward. The light passes through the inferior uncoated area (6) and the upper flat glass (2), is reflected by the reflective film (7), is directed upward, and is transmitted through the upper flat glass (1) in the same manner as described above to the outside. radiated to.
更に、前記補強ガラス（１１）の表面は粒径７．９μｍ
〜４０μｍの研暦材により粗面加工されている。Furthermore, the surface of the reinforced glass (11) has a particle size of 7.9 μm.
The surface is roughened with a polishing material of ~40 μm.
よって、補強ガラス（１１）に入射した光は側壁で乱反
射し、無塗布部（５）（５）へ向う光が多くなるため、
補強ガラスＢｔ）Ｉｆｆｉ用による輝度の低下あるいは
輝度ムラは極めて少なくなる。Therefore, the light incident on the reinforced glass (11) is diffusely reflected on the side wall, and more light goes toward the uncoated area (5) (5).
Decrease in brightness or uneven brightness due to reinforced glass (Bt) Iffi is extremely reduced.
更に、上平板ガラス〈１〉の上面も同様に粗面加工され
ている。従って、上平板ガラス（１〉面上での補強ガラ
ス（１１）部分と他の部分とのＢＪｆに若干の差があっ
てもその境界がぼやけろため、１度ムラは更に抑えられ
る。Furthermore, the upper surface of the upper flat glass <1> is similarly roughened. Therefore, even if there is a slight difference in BJf between the reinforcing glass (11) portion and other portions on the upper flat glass (1> surface), the boundary will not be blurred, and the 1 degree unevenness can be further suppressed.
第５図に補強ガラスの他の実施例と示す。本実施例にお
ける補強ガラス（１１）はその１１１面に螢光膜（１２
）が形成されているため、補強ガラス（１１）自体が発
光し、無塗布部（５）及び上平板ガラス（１）を透過し
て、より多くの光か外部へ放出される。FIG. 5 shows another example of reinforced glass. The reinforced glass (11) in this example has a fluorescent film (12
), the reinforced glass (11) itself emits light, which passes through the uncoated portion (5) and the upper flat glass (1), and more light is emitted to the outside.
次に、第６図及び第７図に放電々極及び補強ガラスの他
の実施例を示す、第６図において、放電々極（９）には
プレス加工により凸型の嵌合部（９ｃ）が形成されてお
り、この嵌合部（９ｃ）に補強ガラス（１１〉の先端の
段差部（ｌｌａ）が嵌入され位置固定される。尚、前記
段差部（ｌｌａ）の段差は放電々極（９）の板厚分以上
に形成されており、上下平板ガラスに直接、嵌合部（９
ｃ）が接触しない様にしている。Next, FIGS. 6 and 7 show other embodiments of the discharge electrode and the reinforced glass. In FIG. 6, the discharge electrode (9) has a convex fitting part (9c) formed by press working. is formed, and the step part (lla) at the tip of the reinforcing glass (11>) is fitted into this fitting part (9c) and fixed in position.The step of the step part (lla) is a discharge electrode ( 9), and the fitting part (9) is formed to have a thickness greater than the plate thickness of the upper and lower flat glasses.
c) is made to avoid contact.
また、第７図において、放電々極（９）にはフ字状の第
２の補助を極（９ｄ）が溶接されている。この第２補助
電極（９ｄ）はその一対の突出片の間隔が補強ガラスフ
１１）の厚さと同−若しくは若干狭く形成されており、
補強ガラス（１１）を弾性的に挾持する。Further, in FIG. 7, a second cross-shaped auxiliary pole (9d) is welded to the discharge pole (9). This second auxiliary electrode (9d) is formed so that the distance between the pair of protruding pieces is equal to or slightly narrower than the thickness of the reinforcing glass sheet 11),
The reinforced glass (11) is held elastically.
（ト）発明の効果
上述の如く本発明に依れば、爆縮藺止のために補強ガラ
スを用いても輝度ムラが発生せず発光面全体に亘って均
一な輝度が得られ、特に液晶ＴＶ、パーソナルコンピュ
ータ或いはワードプロセッサ等のディスプレイデバイス
のバックライＦ・とじて有効である。(G) Effects of the Invention As described above, according to the present invention, even if reinforced glass is used to prevent implosion, uniform brightness can be obtained over the entire light emitting surface without causing unevenness in brightness. It is effective as a backlight F for display devices such as TVs, personal computers, and word processors.
また、補強ガラスの固定の作業性が非常に良好である。In addition, the workability of fixing the reinforced glass is very good.
第１図は本発明の一実施例における平面型螢光灯の分解
斜視図、第２図（イ）（ロ）（ハ）は夫々、平面型螢光
灯の平面図、Ａ −Ａ ａ７断面図及びＢ−Ｂ′断面図
、第３図は補強ガラスの取付構造を示す要部斜視図、第
４図は補強ガラスの拡大断面図、第５図は補強ガラスの
他の実施例を示す拡大断面図、第６図及び第７区は夫々
、補強ガラスの取付構造の他の実施例を示す拡大断面図
でちる。
（１）（２）・・・上下平板ガラス、（３）（４〉・・
・於光漠、（５）（６）・・・無塗布部、（７）・・・
反射膜、（８ン・・・枠ガラス、（９＞（９）・・・放
１々極、（１１）（１１；・・・補強ガラス。Fig. 1 is an exploded perspective view of a flat fluorescent lamp according to an embodiment of the present invention, and Figs. 2 (a), (b), and (c) are plan views of the flat fluorescent lamp, respectively, and cross section A-A a7. 3 is a perspective view of the main parts showing the mounting structure of the reinforced glass, FIG. 4 is an enlarged sectional view of the reinforced glass, and FIG. 5 is an enlarged view showing another example of the reinforced glass. Sectional views, FIGS. 6 and 7, are enlarged sectional views showing other embodiments of the reinforced glass mounting structure. (1) (2)... Upper and lower flat glass, (3) (4>...
・Okobaku, (5) (6)...Uncoated area, (7)...
Reflective film, (8n...frame glass, (9>(9)...radiating single pole, (11)(11;...reinforced glass).
Claims (1)
ラス容器内に一対の放電々極を対向配置すると共に、前
記一対の平板ガラス間の間隔と略同一の高さを有する補
強ガラスを前記一対の放電々極を結ぶ線と略平行に配し
てなる平面型螢光灯において、前記一対の放電々極に夫
々嵌合部を形成し、この嵌合部に前記補強ガラスの端部
を嵌合せしめることにより前記補強ガラスを前記ガラス
容器内に固定してなる平面型螢光灯。(1) A pair of discharge electrodes are arranged facing each other in a glass container in which a pair of flat glasses face each other with a predetermined interval, and a reinforcing glass having approximately the same height as the interval between the pair of flat glasses is installed between the pair of flat glasses. In a flat fluorescent lamp arranged approximately parallel to a line connecting discharge electrodes, a fitting portion is formed in each of the pair of discharge electrodes, and an end portion of the reinforcing glass is fitted into the fitting portion. A flat type fluorescent lamp in which the reinforcing glass is fixed within the glass container by tightening the reinforcing glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6662087A JPS63232261A (en) | 1987-03-20 | 1987-03-20 | Plane type fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6662087A JPS63232261A (en) | 1987-03-20 | 1987-03-20 | Plane type fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63232261A true JPS63232261A (en) | 1988-09-28 |
Family
ID=13321114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6662087A Pending JPS63232261A (en) | 1987-03-20 | 1987-03-20 | Plane type fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63232261A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998043278A2 (en) * | 1997-03-21 | 1998-10-01 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Flat light emitter |
-
1987
- 1987-03-20 JP JP6662087A patent/JPS63232261A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998043278A2 (en) * | 1997-03-21 | 1998-10-01 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Flat light emitter |
| WO1998043278A3 (en) * | 1997-03-21 | 1998-12-23 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Flat light emitter |
| US6252352B1 (en) | 1997-03-21 | 2001-06-26 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh | Flat light emitter |
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