JPH0279084A - Full color displaying element - Google Patents

Full color displaying element

Info

Publication number
JPH0279084A
JPH0279084A JP63230604A JP23060488A JPH0279084A JP H0279084 A JPH0279084 A JP H0279084A JP 63230604 A JP63230604 A JP 63230604A JP 23060488 A JP23060488 A JP 23060488A JP H0279084 A JPH0279084 A JP H0279084A
Authority
JP
Japan
Prior art keywords
light
light emitting
emits
full
emitting diode
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
Application number
JP63230604A
Other languages
Japanese (ja)
Inventor
Yukihiro Kondo
近藤 行広
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP63230604A priority Critical patent/JPH0279084A/en
Publication of JPH0279084A publication Critical patent/JPH0279084A/en
Pending legal-status Critical Current

Links

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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Led Device Packages (AREA)
  • Led Devices (AREA)

Abstract

PURPOSE:To preform full-color display with high quality and high brightness by providing 1st and 2nd light emitting diodes which respectively emit red light and green light in the vacuum container of a fluorescent displaying element which emits blue light by the use of an electric field radiation type electrode. CONSTITUTION:A glass substrate 10 and a surface glass plate 11 are arranged face to face at a prescribed space through a spacer and the circumference is sealed to form a sealed container. By attaching a silicone substrate 13 on which the electric field radiation type electrode 12 is formed to the glass substrate 10, the fluorescent displaying element which emits the blue light is formed. Then, the 1st light emitting diode 3 which emits the red light and the 2nd light emitting diode 4 which emits the green light are provided in the vacuum container. Thus, the full-color display can be performed with high quality and high brightness. Besides to that, the small-sized and inexpensive full-color displaying element can be obtained.

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明は、フルカラー表示素子に関するものである。[Detailed description of the invention] [Industrial application field] The present invention relates to a full color display element.

[従来の技術] −aに、発光ダイオードは、小型で長寿命の表示素子で
あり、赤色光あるいは緑色光を発光するものについては
、高効率、高輝度で比較的安価なものが実用化されてい
る。しかしながら、青色光を発光する発光ダイオードに
ついては、まだ実用レベルに達しているものは無いので
、発光ダイオードを用いた小型のフルカラー表示素子は
なく、単色あるいは2色のカラー表示素子が提供されて
いるだけである。
[Prior art] -a. Light-emitting diodes are small and long-life display elements, and those that emit red or green light have been put into practical use with high efficiency, high brightness, and relatively low cost. ing. However, as no light-emitting diode that emits blue light has reached a practical level yet, there are no compact full-color display devices using light-emitting diodes, and single-color or two-color color display devices are provided. Only.

[発明が解決しようとする課題] しかしながら、上述のカラー表示素子にあっては、表示
色が少なく表示品質が大幅に悪くなり、応用範囲も狭く
なるという問題があった。なお、赤色光、緑色光および
青色光を発光する3個の蛍光表示素子を用いてフルカラ
ー表示素子を構成するもの、あるいはバックライト付き
のフルカラー表示の液晶表示素子も実用化されているが
、いずれの場合も、構成が複雑になって小型化できない
上、高価になるという問題がある。
[Problems to be Solved by the Invention] However, the color display element described above has the problem that the number of displayed colors is small, the display quality is significantly deteriorated, and the range of application is also narrowed. Note that a full-color display element using three fluorescent display elements that emit red, green, and blue light, or a full-color liquid crystal display element with a backlight, has also been put into practical use; In this case as well, there are problems in that the configuration is complicated, making it impossible to downsize and also making it expensive.

本発明は上記の点に鑑みて為されたものであり、その目
的とするところは、高品質で高輝度のフルカラー表示が
行え、しかも小型で安価なフルカラー表示素子を提供す
ることにある。
The present invention has been made in view of the above points, and its purpose is to provide a small and inexpensive full-color display element that can perform high-quality, high-brightness full-color display.

[課題を解決するための手段] 本発明の表示素子は、電界放射型電極を用い青色光を発
光する蛍光表示素子の真空容器内に、赤色光を発光する
第1の発光ダイオードと、緑色光を発光する第2の発光
ダイオードとを設けたものである。
[Means for Solving the Problems] The display element of the present invention includes a first light emitting diode that emits red light and a green light emitting diode in a vacuum container of a fluorescent display element that emits blue light using a field emission type electrode. A second light emitting diode that emits light is provided.

[作 用] 本発明は上述のように構成されており、電界放射型電極
を用い青色光を発光する蛍光表示素子の真空容器内に、
赤色光および緑色光を発光する第1、第2の発光ダイオ
ードを設けたものであり、蛍光表示素子と、発光ダイオ
ードとで高品質で高輝度のフルカラー表示が行え、しか
も蛍光表示素子の真空容器内に発光ダイオードを組み込
んでいるので、構成が簡単になって小型で安価なフルカ
ラー表示素子を提供することができるようになっている
[Function] The present invention is configured as described above, in which a fluorescent display element that emits blue light using a field emission type electrode is placed in a vacuum container.
This device is equipped with first and second light emitting diodes that emit red and green light, and the fluorescent display element and the light emitting diode can provide high-quality, high-brightness, full-color display, and the vacuum container for the fluorescent display element Since a light emitting diode is incorporated therein, the structure is simplified, and a small and inexpensive full-color display element can be provided.

[実施例コ 第1図ないし第4図は本発明一実施例を示すもので、電
界放射型電極12を用い青色光を発光する蛍光表示素子
1の真空容器2内に、赤色光を発光する第1の発光ダイ
オード3と、緑色光を発光する第2の発光ダイオード4
とを設けたものである。実施例にあっては、真空容器2
は、ガラス基板10と表面ガラス板11とをスペーサ(
図示せず)を介して所定間隔で対向配置し、周囲をシー
リングして密封容器2を形成するようになっている。ま
た、ガラス基板11には、電界放射型電極12が形成さ
れたシリコン基板13が取着され、発光ダイオード3.
4はシリコン基板13上に取着されるようになっている
。ここにシリコン基板13に形成される多数の電界放射
型電fi12は、例えば、スピット電極と称されるもの
であり、十分にドープされたシリコン基板13の表面を
酸化して絶縁N114を形成し、この絶縁層14を介し
てモリブデンよりなるゲート電極15を電子ビーム蒸着
にて積層し、絶縁層14およびゲート電極15を通して
エツチング形成されてシリコン基板13の表面を露出さ
せる放射孔16内にモリブデンよりなる円錐状陰極17
を分離層を用いた電子ビーム蒸着によって配設して形成
されている。シリコン基板13はlR11程度の厚み、
絶縁層14は10μl程度の厚み、放射孔16は1μm
程度の直径に設定される。
[Embodiment] Figures 1 to 4 show an embodiment of the present invention, in which a field emission type electrode 12 is used to emit red light in a vacuum container 2 of a fluorescent display element 1 that emits blue light. A first light emitting diode 3 and a second light emitting diode 4 that emits green light.
It has been established that In the embodiment, the vacuum container 2
The glass substrate 10 and the front glass plate 11 are connected with a spacer (
(not shown) are arranged facing each other at a predetermined interval, and the periphery is sealed to form a sealed container 2. Further, a silicon substrate 13 on which a field emission type electrode 12 is formed is attached to the glass substrate 11, and a light emitting diode 3.
4 is mounted on a silicon substrate 13. The large number of field emission type electrodes 12 formed here on the silicon substrate 13 are, for example, what is called a spit electrode, and the sufficiently doped surface of the silicon substrate 13 is oxidized to form an insulating layer N114. A gate electrode 15 made of molybdenum is laminated by electron beam evaporation through the insulating layer 14, and etched through the insulating layer 14 and the gate electrode 15 to expose the surface of the silicon substrate 13. Conical cathode 17
are formed by electron beam evaporation using a separation layer. The silicon substrate 13 has a thickness of about lR11,
The insulating layer 14 has a thickness of about 10 μl, and the radiation hole 16 has a thickness of 1 μm.
It is set to a diameter of approximately.

なお、この電界放射型電極の形成方法の基本部分は、文
献(C,^、5pindt、et al、、”Phys
ical properties  of thin−
film fieldemission  catho
des  with  molybdenum  co
nes”、  J、^pp1.  Phys。
The basic part of the method for forming this field emission type electrode is described in the literature (C.
ical properties of thin-
film field mission catho
des with molybdenum co
nes”, J, ^pp1. Phys.

、  Vol 47.  No、 12.  Dece
mber 1976、p、5248−5263)に詳し
く記載されている。また、円錐状陰極16は、上記実施
例では円錐形に形成しているが、ひげ状、針状等、先端
が尖鋭であれば他の形状も適用し得る。
, Vol 47. No, 12. Decece
mber 1976, p. 5248-5263). Furthermore, although the conical cathode 16 is formed into a conical shape in the above embodiment, other shapes such as whisker-like, needle-like, etc. can be applied as long as the tip is sharp.

上述したように、この電界放射型電極12は、非常に薄
型であって、ゲート環8i15と円錐状陰極17との間
に高電界(10’V/cm)が印加されるようにバイア
ス電圧E、を設定し、電子を電界放射させるようにした
ものである。
As mentioned above, this field emission type electrode 12 is very thin, and the bias voltage E is applied so that a high electric field (10'V/cm) is applied between the gate ring 8i15 and the conical cathode 17. , and the electrons are caused to emit an electric field.

一方、表面ガラス板11には、透明電極よりなるアノー
ド電極21および青色発光する蛍光体層22が設けられ
ており、アノード電極21とゲート電極15との間にバ
イアス電圧E2を印加することにより、電界放射された
電子をアノード電極21に引き寄せて蛍光体層22に衝
突させて青色発光を得るようになっている。なお、バイ
アス電圧E、、E2は交流電圧であっても良い。また、
素子寸法1. dは、発光ダイオード3.4のチップ寸
法に応じて設定され、実施例では5mm程度に設定され
ている。
On the other hand, the front glass plate 11 is provided with an anode electrode 21 made of a transparent electrode and a phosphor layer 22 that emits blue light. By applying a bias voltage E2 between the anode electrode 21 and the gate electrode 15, The field-emitted electrons are attracted to the anode electrode 21 and collided with the phosphor layer 22 to obtain blue light emission. Note that the bias voltages E, E2 may be alternating current voltages. Also,
Element dimensions 1. d is set according to the chip size of the light emitting diode 3.4, and is set to about 5 mm in the embodiment.

第4図(a)〜(f)は、赤色光R1緑色光Gおよび青
色光Bの発光パターン例を示すもので、発光部分以外に
マスキング処理が施されており、発光ダイオード3.4
に対応して設けられる発光窓は一般的に透明に形成され
るが、必要に応じてフィルタ機能を持たせたり、拡散処
理を施しても良い。
4(a) to (f) show examples of light emission patterns of red light R1, green light G, and blue light B. Masking processing is applied to areas other than the light emitting parts, and the light emitting diodes 3.4
The light emitting window provided corresponding to the light emitting window is generally formed to be transparent, but it may be provided with a filter function or subjected to a diffusion process as necessary.

以下、実施例の動作について説明する。いま、赤色光お
よび緑色光は発光ダイオード3,4にて得られ、青色光
は蛍光表示素子1にて得られるようになっており、高品
質で高輝度のフルカラー表示が行える。また、真空容器
2内に発光ダイオード3.4を組み込んでいるので、構
成も簡単で、コストを安くできることになる。
The operation of the embodiment will be described below. At present, red light and green light are obtained by the light emitting diodes 3 and 4, and blue light is obtained by the fluorescent display element 1, making it possible to perform high-quality, high-brightness full-color display. Further, since the light emitting diode 3.4 is incorporated into the vacuum container 2, the structure is simple and the cost can be reduced.

なお、複数組の発光ダイオード3,4および蛍光表示素
子1を1つの真空容器2内に配設して複数画素を1パツ
ケージ化するようにしても良い。
Note that a plurality of sets of light emitting diodes 3 and 4 and the fluorescent display element 1 may be arranged in one vacuum container 2 to form a plurality of pixels into one package.

例えば、発光ダイオード3.4を各16素子、蛍光表示
素子1を32素子用いた16画素の表示素子などが考え
られる。
For example, a 16-pixel display element using 16 light emitting diodes 3.4 each and 32 fluorescent display elements 1 can be considered.

[発明の効果] 本発明は上述のように構成されており、電界放射型電極
を用い青色光を発光する蛍光表示素子の真空容器内に、
赤色光および緑色光を発光する第1、第2の発光ダイオ
ードを設けたものであり、蛍光表示素子と、発光ダイオ
ードとで高品質で高輝度のフルカラー表示が行え、しか
も蛍光表示素子の真空容器内に発光ダイオードを組み込
んでいるので、構成が簡単になって小型で安価なフルカ
ラー表示素子を提供することができるという効果がある
[Effects of the Invention] The present invention is configured as described above, and in a vacuum container of a fluorescent display element that emits blue light using a field emission type electrode,
This device is equipped with first and second light emitting diodes that emit red and green light, and the fluorescent display element and the light emitting diode can provide high-quality, high-brightness, full-color display, and the vacuum container for the fluorescent display element Since a light emitting diode is incorporated therein, the structure is simple and there is an effect that a small and inexpensive full color display element can be provided.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明一実施例の分解斜視図、第2図は同上の
要部断面図、第3図は同上の外観斜視図、第4図(a)
〜(f)は同上の発光パターン例を示す正面図である。 1は蛍光表示素子、2は真空容器、3.4は発光ダイオ
ード、12は電界放射型電極である。 代理人 弁理士 石 1)長 七 筆2図 第3図 第4図 CG)         (d) (b)            (e)(c)    
      (f) 手続補正書く自発)  1 昭和63年11月2日 昭和63年特許願第230604号 2 発明の名称 フルカラー表示素子 3、補正をする者 ylr件との関係 特許出願人 住 所 大阪府門真市大字門真1048番地名称(58
3)松下電工株式会社 j(表音  三 好 俊 夫 11、代理人 郵便番号 530 5 補正命令の日f=を 自   発 6 補正により増加する請求項の数 なし7、補正の対
象 明細書 8、補正の内容 ]1]本願明細書第2頁2行目を削除し、以下の友を挿
入致します。 [単色、あるいは赤、緑、橙の3色のカラー表示素子が
提供されて」 代理人 弁理士 石 1)長 七
Fig. 1 is an exploded perspective view of one embodiment of the present invention, Fig. 2 is a sectional view of essential parts of the same, Fig. 3 is an external perspective view of the same, and Fig. 4 (a).
~(f) is a front view showing an example of the light emitting pattern same as above. 1 is a fluorescent display element, 2 is a vacuum container, 3.4 is a light emitting diode, and 12 is a field emission type electrode. Agent Patent Attorney Ishi 1) Chief Seven strokes 2 Figure 3 Figure 4 CG) (d) (b) (e) (c)
(f) Spontaneity to write procedural amendments) 1 November 2, 1988 Patent Application No. 230604 2 Name of the invention Full color display element 3 Person making the amendment Relationship with the matter Patent applicant address Kadoma, Osaka Prefecture City Oaza Kadoma 1048 name (58
3) Matsushita Electric Works Co., Ltd. J (Phone: Toshio Miyoshi 11, Agent postal code: 530 5 Date of amendment order f = voluntarily 6 Number of claims to be increased by amendment None 7, Specification subject to amendment 8, [Contents of amendment] 1] The second line of page 2 of the specification is deleted and the following text is inserted: [Single color or three color display elements of red, green, and orange are provided.'' Agent Patent Attorney Ishi 1) Choshichi

Claims (1)

【特許請求の範囲】[Claims] (1)電界放射型電極を用い青色光を発光する蛍光表示
素子の真空容器内に、赤色光を発光する第1の発光ダイ
オードと、緑色光を発光する第2の発光ダイオードとを
設けたことを特徴とするフルカラー表示素子。
(1) A first light emitting diode that emits red light and a second light emitting diode that emits green light are provided in a vacuum container of a fluorescent display element that emits blue light using a field emission type electrode. A full-color display element featuring
JP63230604A 1988-09-14 1988-09-14 Full color displaying element Pending JPH0279084A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63230604A JPH0279084A (en) 1988-09-14 1988-09-14 Full color displaying element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63230604A JPH0279084A (en) 1988-09-14 1988-09-14 Full color displaying element

Publications (1)

Publication Number Publication Date
JPH0279084A true JPH0279084A (en) 1990-03-19

Family

ID=16910354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63230604A Pending JPH0279084A (en) 1988-09-14 1988-09-14 Full color displaying element

Country Status (1)

Country Link
JP (1) JPH0279084A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005123484A (en) * 2003-10-17 2005-05-12 Citizen Electronics Co Ltd White led
JP2007227274A (en) * 2006-02-27 2007-09-06 Noritake Itron Corp Color fluorescent display tube
KR102636752B1 (en) 2023-07-13 2024-02-15 파마트론 주식회사 Deuteration Method for Aromatic Compounds Using Supercritical Carbon Dioxide

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005123484A (en) * 2003-10-17 2005-05-12 Citizen Electronics Co Ltd White led
JP2007227274A (en) * 2006-02-27 2007-09-06 Noritake Itron Corp Color fluorescent display tube
KR102636752B1 (en) 2023-07-13 2024-02-15 파마트론 주식회사 Deuteration Method for Aromatic Compounds Using Supercritical Carbon Dioxide

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