JPH0330252A - Dimming flat fluorescent lamp - Google Patents
Dimming flat fluorescent lampInfo
- Publication number
- JPH0330252A JPH0330252A JP16414489A JP16414489A JPH0330252A JP H0330252 A JPH0330252 A JP H0330252A JP 16414489 A JP16414489 A JP 16414489A JP 16414489 A JP16414489 A JP 16414489A JP H0330252 A JPH0330252 A JP H0330252A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- control electrode
- heater wire
- lead
- fluorescent lamp
- 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 34
- 239000005357 flat glass Substances 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract 1
- 230000008602 contraction Effects 0.000 description 5
- PRPINYUDVPFIRX-UHFFFAOYSA-N 1-naphthaleneacetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CC=CC2=C1 PRPINYUDVPFIRX-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
(イ)産業上の利用分野
本発明は、車載用液晶ディスプレイ等のバックライトと
して使用される輝度調節機能付(制御電極付)の調光型
平面螢光灯の改良に関する。Detailed Description of the Invention (a) Industrial Application Field The present invention is an improvement in a dimmable flat fluorescent lamp with a brightness adjustment function (with control electrodes) used as a backlight for automotive liquid crystal displays, etc. Regarding.
(ロ)従来の技術
電子線で螢光体を励起して発光せしめる電子流ランプを
平面形状として、バックライトとして使用することがよ
く知られている。(b) Prior Art It is well known that an electron flow lamp in which a phosphor is excited with an electron beam to emit light is made into a planar shape and used as a backlight.
そして、この平面螢光灯には、電子流を制御するメッシ
ュ状制911 t hmを設けて、調光を行うタイプが
ある。そして、この調光型平面螢光灯は、車載用液晶デ
ィスプレイ等のバックライトの様に、調光範囲が広く薄
型であることが要求されるバックライトとして最適であ
ることが、よく知られている。There is a type of flat fluorescent lamp that is provided with a mesh-like control 911 t hm for controlling the electron flow to perform dimming. It is well known that this dimmable flat fluorescent lamp is ideal for backlights that require a wide dimming range and a thin design, such as backlights for automotive LCD displays. There is.
(ハ)発明が解決しようとする課題
本発明の請求項1は、ヒータ線の取り付けが容易な平面
型螢光灯を提洪するものである。(c) Problems to be Solved by the Invention The first aspect of the present invention provides a flat fluorescent lamp in which a heater wire can be easily attached.
又、本発明の請求項2は、このヒータ線の伸縮に対応す
る平面型螢光灯を提供するものである。A second aspect of the present invention is to provide a flat fluorescent lamp that accommodates the expansion and contraction of the heater wire.
又本発明の請求項3、4は、制御電極の取り付けが容易
な平面型螢光灯を提供するものである。Further, claims 3 and 4 of the present invention provide a flat fluorescent lamp in which a control electrode can be easily attached.
(二)課題を解決するための手段
本発明は、枠ガラス(14)に設けられ、ヒータ線(3
2)の両端のリード部(32b)(32c)が貫通する
小孔(36a)(36b)を備えることを特徴とする。(2) Means for Solving the Problems The present invention provides a heating wire (3) provided on the frame glass (14).
2) is characterized by having small holes (36a) (36b) through which the lead parts (32b) (32c) at both ends pass.
さらに、真空ガラス容器中のヒータ線(32)にバネ部
(32d)を設けたことを特徴とする。Furthermore, it is characterized in that a spring portion (32d) is provided on the heater wire (32) in the vacuum glass container.
又、制御電極(26)の周辺に設けられた突起(30)
と、枠ガラス(14)に設けられ、突起(30)が咲合
することにより制御電極(26)を保持するディンプル
(34)と、を備えることを特徴とする。Further, a protrusion (30) provided around the control electrode (26)
and a dimple (34) provided on the frame glass (14) and holding the control electrode (26) by the projections (30) blooming together.
又、制御電極(26)のリード(28)と、枠ガラス(
l4)に設けられ、リード(28)が貫通する小孔(3
8)を備えることを特徴とする。Also, the lead (28) of the control electrode (26) and the frame glass (
l4), through which the lead (28) passes.
8).
(ホ)作 用
請求項1によれば、小孔(36a)(36b)によりヒ
ータ線(32)を直接外部に引き出せる。(e) Function According to claim 1, the heater wire (32) can be directly drawn out to the outside through the small holes (36a) and (36b).
請求項2では、バネ部(32d)によりヒータ線の伸縮
が吸収出来る。In the second aspect of the present invention, expansion and contraction of the heater wire can be absorbed by the spring portion (32d).
請求項3では、ディンプル(34)と突起(30)によ
り制御電tfiii(26)の保持が容易に出来る。In the third aspect, the dimple (34) and the protrusion (30) can easily hold the control voltage tfiii (26).
請求項4では、制御電極(26)のリード(28)を枠
ガラス(14)より引き出せ、このリード(28)を陽
極のリード(24)及びヒータ線のリード部(32b)
より離間出来電圧印加のための接続作業が容易となる。In claim 4, the lead (28) of the control electrode (26) can be pulled out from the frame glass (14), and this lead (28) can be connected to the anode lead (24) and the heater wire lead part (32b).
The connection work for applying voltage can be made easier because of the greater separation.
(へ)実施例
第1図及び第2図を参照しつつ、本発明の1実施例を説
明する。(F) Embodiment One embodiment of the present invention will be described with reference to FIGS. 1 and 2.
図に於いて、(10)(12)は上下平板ガラスである
。(14)は枠ガラス、この枠ガラス(l4)には第2
図に示す様に排気用チップオフ管(16)が装着される
切欠(14a)が設けられている。これらのガラス部材
(10)(12)(14)(16)は、封止排気されて
フラット型真空ガラス容器を形處する。In the figure, (10) and (12) are upper and lower flat glass plates. (14) is a frame glass, and this frame glass (l4) has a second
As shown in the figure, a notch (14a) into which an exhaust tip-off pipe (16) is attached is provided. These glass members (10), (12), (14), and (16) are sealed and evacuated to form a flat vacuum glass container.
(16)は上平板ガラス(10)の内面に設けられた発
光部である。この発光部(16)は、螢光体層(18)
と陽極(20冫とよりなる。この螢光体層(18)は3
原色螢光体の塗布により形處される。陽極(20)は、
この螢光体層(18)の上(図では下方向)にアルミニ
ウムを400〜600入程度の膜厚で蒸着形處する。尚
、この陽極(20)は、多数の孔(20a)が形戊され
るべく形威される。(22)(24)は陽極リードであ
る。発光時、この陽極(20)には、このリード(22
)(24)を介して高圧(例えば3KV〜1 0KV
)が印加される。(16) is a light emitting part provided on the inner surface of the upper flat glass (10). This light emitting part (16) has a phosphor layer (18)
and an anode (20 layers).This phosphor layer (18) consists of 3 layers.
Shaped by coating primary color phosphors. The anode (20) is
On top of this phosphor layer (18) (in the downward direction in the figure), aluminum is vapor-deposited to a thickness of about 400 to 600 layers. Note that this anode (20) is shaped to have a large number of holes (20a). (22) and (24) are anode leads. When emitting light, this anode (20) is connected to this lead (22).
) (24) via high voltage (e.g. 3KV~10KV
) is applied.
(26)はステンレス、ニッケル、鉄等の金属メッシュ
よりなる制御電極である。(28)は制御電圧供給用リ
ードである。(30)(30)(30)(30)は制御
電極(26)の周辺に設けた突起部であり、この突起部
は後述するディンプルに嵌合してこの制御電極(26)
の位置決めを行う。(26) is a control electrode made of a metal mesh made of stainless steel, nickel, iron, or the like. (28) is a control voltage supply lead. (30) (30) (30) (30) is a protrusion provided around the control electrode (26), and this protrusion fits into a dimple to be described later to
positioning.
(32)(32)(32)(32)はヒータ線(線状カ
ソード)であり2〜3mml!l隔で平行配置される。(32) (32) (32) (32) is a heater wire (linear cathode) and is 2 to 3 mml! They are arranged in parallel at l intervals.
このヒータ線(32)は、従来と同様に熱電子放出能力
を高めるために表面に酸化バリウム膜処理(32a)を
行なっている。(32b)(32c)はリード部である
。(32d)はバネ部である。このバネ部(32d)は
ヒーター加熱によるヒータ線(32)の伸縮を吸収する
。The surface of this heater wire (32) is subjected to a barium oxide film treatment (32a) in order to enhance the thermionic emission ability as in the conventional case. (32b) and (32c) are lead parts. (32d) is a spring portion. This spring portion (32d) absorbs expansion and contraction of the heater wire (32) due to heater heating.
枠ガラス(14)に於いて、(34)〜(34)はディ
ンプルであり、このディンプル(34)〜(34)には
制御電極(26)の突起(30)〜(30)が嵌合され
て、これを保持する役目を持つ。(36a)(36a)
(36a)(36a)はヒータ線のリード部(32b)
が貫通する小孔である。(36b)(36b)(36b
)(36b)はヒータ線のリード部(32c)が貫通す
る小孔である。(38)はリード(28)が貫通する小
孔である。In the frame glass (14), (34) to (34) are dimples, and the protrusions (30) to (30) of the control electrode (26) are fitted into the dimples (34) to (34). It has the role of holding this. (36a) (36a)
(36a) (36a) is the lead part of the heater wire (32b)
is a small hole that passes through it. (36b) (36b) (36b
) (36b) is a small hole through which the lead portion (32c) of the heater wire passes. (38) is a small hole through which the lead (28) passes.
第2図の(40)は封止用のフリットガラスである。(40) in FIG. 2 is a frit glass for sealing.
尚、制御14極(26)とヒータ線(32)及び制御電
極(26)と陽極(20)との間隔は、共に5−10m
mであり、この螢光灯の厚みは20mm前後となる。The distance between the control electrode (26) and the heater wire (32) and between the control electrode (26) and the anode (20) are both 5-10 m.
m, and the thickness of this fluorescent lamp is approximately 20 mm.
上記組み立てを第2図を参照しつつ簡単に説明する。The above assembly will be briefly explained with reference to FIG.
制御電極(26)の突起(30)〜(30)を枠ガラス
(14)のディンプル(34)〜(34)に嵌合して係
止すると共に、リード(28)を小孔(38)を介して
外部に引き出す。The protrusions (30) to (30) of the control electrode (26) are fitted and locked into the dimples (34) to (34) of the frame glass (14), and the leads (28) are inserted through the small holes (38). Externally through.
ヒータJ5R(32)の両端のリード部(32b)(3
2C)を枠ガラス(14)の対向する2辺に設けた小孔
(36a)(36b)に押入して、外部に引き出す。Lead parts (32b) (3) at both ends of heater J5R (32)
2C) into the small holes (36a) (36b) provided on two opposing sides of the frame glass (14) and pull it out to the outside.
そして、排気チップオフ管(16)を配し、リード(2
4〉を外部に引き出して、ガラス部材(10)(12)
(14)(16)を組み立て、フリットガラス(40)
で接合部分、小孔等の穴詰め(封止)を行ないガラス容
器を作成する。そして、排気チップオフ管(16)によ
り、排気をして、容器内を真空として、チップオフする
。Then, the exhaust tip-off pipe (16) is arranged, and the lead (2
4> Pull out the glass members (10) (12)
(14) Assemble (16) and frit glass (40)
A glass container is created by filling (sealing) joints, small holes, etc. Then, the container is evacuated through the exhaust tip-off tube (16), and the inside of the container is evacuated to perform tip-off.
次に調光について説明する。Next, light control will be explained.
この様な平面螢光灯のヒータ線(32)のリード部(3
2b) (32c )に給電し、陽極(20)のリード
(24)に高圧を印加すると、ヒータ線(32)から熱
放出された電子は、制御電極(26)を通り抜けて、陽
極(20)の孔(20a)を介して螢光体層(18)に
射突して発光する。そして、リード(28)を介して、
制御電極(26)に印加される電圧を例えばIOV〜I
OOVの様に可変制御することにより、調光を行う。The lead part (3) of the heater wire (32) of such a flat fluorescent lamp
2b) When power is supplied to (32c) and high voltage is applied to the lead (24) of the anode (20), the electrons thermally released from the heater wire (32) pass through the control electrode (26) and reach the anode (20). The light impinges on the phosphor layer (18) through the hole (20a) and emits light. Then, via the lead (28),
The voltage applied to the control electrode (26) is, for example, IOV~I
Dimming is performed by variable control like OOV.
尚、上記実施例では、バネ部(32d)をコイル形状と
しているがこれは、折り曲げ部等、伸縮を畷収する形状
であれば良い。In the above embodiment, the spring portion (32d) has a coil shape, but it may have any shape as long as it accommodates expansion and contraction, such as a bent portion.
又、陽i(20)を多孔質としたが、これは単なるメタ
ルバック膜としても良い。Further, although the positive i(20) is made porous, it may be simply a metal back film.
(ト)発明の効果
請求項1によれば、ヒータ線(32)のリード部(32
b)(32c)により直接ヒータ線(32)に給電出米
、構造が簡単になる。(g) Effect of the invention According to claim 1, the lead portion (32) of the heater wire (32)
b) (32c) allows power to be supplied directly to the heater wire (32), simplifying the structure.
請求項2によれば、ヒータ線(32)の加熱による伸縮
をバネ部(32d)が吸収し線切れが防止される。According to the second aspect, the spring portion (32d) absorbs the expansion and contraction of the heater wire (32) due to heating, thereby preventing wire breakage.
請求項3によれば、制御電極(26)の取り付けは、突
起(30〉とディンプル(34)との嵌合により簡単に
行なえる。According to claim 3, the control electrode (26) can be easily attached by fitting the protrusion (30> and the dimple (34)).
請求項4によれば制御電極(26)のリードを任意の位
置より引き出せる。According to claim 4, the lead of the control electrode (26) can be pulled out from any position.
第1図は本発明の一実施例を示す側断面図である。第2
図は組み立てを説明するための図である。
(10)・・・上平板ガラス、
(16)・・・発光部、
(18)・・・螢光体層、
(20)・・・陽極、
(26)・・・制御電極、
(28)・・・リード、
(30)・・・突起、
(32)・・・ヒータ線、
(32b)(32c)−リード部、
(32d)・・・バネ部、
(14)・・・枠ガラス、
(36a)(36b)−小孔、
(38)・・・小孔、
(34)・・・ディンプル、
(12)・・・下平板ガラス。FIG. 1 is a side sectional view showing one embodiment of the present invention. Second
The figure is a diagram for explaining assembly. (10)... Upper flat glass, (16)... Light emitting part, (18)... Fluorescent layer, (20)... Anode, (26)... Control electrode, (28)... ... Lead, (30) ... Protrusion, (32) ... Heater wire, (32b) (32c) - Lead part, (32d) ... Spring part, (14) ... Frame glass, (36a) (36b)-small hole, (38)...small hole, (34)...dimple, (12)...lower flat glass.
Claims (4)
枠ガラス(14)よりなる真空ガラス容器と、この上平
板ガラス(10)内面に設けられ、螢光体層(18)及
び陽極(20)よりなる発光部(16)と、前記真空ガ
ラス容器中に、前記螢光体層(18)に対して平行に配
置されたヒータ線(32)と、前記真空ガラス容器中の
、前記螢光体層(18)と前記ヒータ線(32)との間
に、配置された制御電極(26)と、 を備える調光型平面螢光灯に於いて、 前記枠ガラス(14)に設けられ、前記ヒータ線(32
)の両端のリード部(32b)(32c)が貫通する小
孔(36a)(36b)を備えることを特徴とする調光
型平面螢光灯。(1) A vacuum glass container consisting of an upper flat glass (10), a lower flat glass (12), and a frame glass (14), and a phosphor layer (18) and an anode ( 20); a heater wire (32) arranged parallel to the fluorescent layer (18) in the vacuum glass container; A control electrode (26) disposed between the light body layer (18) and the heater wire (32); and a control electrode (26) disposed on the frame glass (14) in a dimmable flat fluorescent lamp. , the heater wire (32
) A dimmable flat fluorescent lamp characterized in that it has small holes (36a) (36b) through which lead portions (32b) (32c) at both ends of the lead portion (32b) (32c) pass.
バネ部(32d)を設けたことを特徴とする請求項1の
調光型平面螢光灯。(2) The dimmable flat fluorescent lamp according to claim 1, characterized in that the heater wire (32) in the vacuum glass container is provided with a spring portion (32d).
枠ガラス(14)よりなる真空ガラス容器と、この上平
板ガラス(10)内面に設けられ、螢光体層(18)及
び陽極(20)よりなる発光部(16)と、前記真空ガ
ラス容器中に、前記螢光体層(18)に対して平行に配
置されたヒータ線(32)と、前記真空ガラス容器中の
、前記螢光体層(18)と前記ヒータ線(32)との間
に、配置された制御電極(26)と、 を備える調光型平面螢光灯に於いて、 前記制御電極(26)の周辺に設けられた突起(30)
と、 前記枠ガラス(14)に設けられ、前記突起(30)が
嵌合することにより前記制御電極(26)を保持するデ
ィンプル(34)と、 を備えることを特徴とする調光型平面螢光灯。(3) A vacuum glass container consisting of an upper flat glass (10), a lower flat glass (12), and a frame glass (14), and a phosphor layer (18) and an anode ( 20); a heater wire (32) arranged parallel to the fluorescent layer (18) in the vacuum glass container; A control electrode (26) disposed between the light body layer (18) and the heater wire (32), in a dimmable flat fluorescent lamp comprising: a control electrode (26) disposed around the control electrode (26). Provided protrusion (30)
and a dimple (34) provided on the frame glass (14) and holding the control electrode (26) by fitting the protrusion (30) therein. Light lamp.
枠ガラス(14)よりなる真空ガラス容器と、この上平
板ガラス(10)内面に設けられ、螢光体層(18)及
び陽極(20)よりなる発光部(16)と、前記真空ガ
ラス容器中に、前記螢光体層(18)に対して平行に配
置されたヒータ線(32)と、前記真空ガラス容器中の
、前記螢光体層(18)と前記ヒータ線(32)との間
に、配置された制御電極(26)と、 を備える調光型平面螢光灯に於いて、 前記制御電極(26)のリード(28)と、前記枠ガラ
ス(14)に設けられ、前記リード(28)が貫通する
小孔(38)を、 備えることを特徴とする調光型平面螢光灯。(4) A vacuum glass container consisting of an upper flat glass (10), a lower flat glass (12), and a frame glass (14), and a phosphor layer (18) and an anode ( 20); a heater wire (32) arranged parallel to the fluorescent layer (18) in the vacuum glass container; A control electrode (26) disposed between the light body layer (18) and the heater wire (32), in a dimmable flat fluorescent lamp, the lead of the control electrode (26) 28); and a small hole (38) provided in the frame glass (14) and through which the lead (28) passes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16414489A JPH0330252A (en) | 1989-06-27 | 1989-06-27 | Dimming flat fluorescent lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16414489A JPH0330252A (en) | 1989-06-27 | 1989-06-27 | Dimming flat fluorescent lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0330252A true JPH0330252A (en) | 1991-02-08 |
Family
ID=15787585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16414489A Pending JPH0330252A (en) | 1989-06-27 | 1989-06-27 | Dimming flat fluorescent lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0330252A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6805457B2 (en) | 2001-09-26 | 2004-10-19 | Fuji Photo Film Co., Ltd. | Flat-surface fluorescent lamp |
JP2006040866A (en) * | 2004-07-22 | 2006-02-09 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | Field emission surface light source device and its negative electrode |
US7638935B2 (en) | 2004-07-22 | 2009-12-29 | Tsinghua University | Field emission cathode and light source apparatus using same |
-
1989
- 1989-06-27 JP JP16414489A patent/JPH0330252A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6805457B2 (en) | 2001-09-26 | 2004-10-19 | Fuji Photo Film Co., Ltd. | Flat-surface fluorescent lamp |
JP2006040866A (en) * | 2004-07-22 | 2006-02-09 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | Field emission surface light source device and its negative electrode |
US7638935B2 (en) | 2004-07-22 | 2009-12-29 | Tsinghua University | Field emission cathode and light source apparatus using same |
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