JPS62179793U - - Google Patents
Info
- Publication number
- JPS62179793U JPS62179793U JP6663786U JP6663786U JPS62179793U JP S62179793 U JPS62179793 U JP S62179793U JP 6663786 U JP6663786 U JP 6663786U JP 6663786 U JP6663786 U JP 6663786U JP S62179793 U JPS62179793 U JP S62179793U
- Authority
- JP
- Japan
- Prior art keywords
- segment
- common electrode
- voltage
- segment type
- switching devices
- 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
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図は本考案の第１の実施例であるセグメン
ト型ＥＬの駆動回路を示す図、第２図は第１図の
回路の各部分の電圧波形を示す図、第３図はＥＬ
の印加電圧Ｖ―発光輝度Ｂの特性図である。第４
図は本考案の第２の実施例であるセグメント型Ｅ
Ｌの駆動回路を示す図、第５図は第４図の回路の
各部分の電圧波形を示す図である。第６図及び第
７図はセグメント型ＥＬの構造例を示し、第６図
は平面図、第７図は断面図である。第８図はセグ
メント型ＥＬの従来の駆動回路を示す図、第９図
は第８図の回路における各部分の電圧波形を示す
図である。
１０，２０……セグメント型ＥＬの駆動回路、
１１ａ，１１ｂ…１１ｇ……セグメント電極、１
２……共通電極、１３ａ，１３ｂ…１３ｇ……発
光層の各セグメント部分、１６ａ，１６ｂ…１６
ｇ……スイツチング素子、１９ａ，１９ｂ…１９
ｇ……側路素子。
FIG. 1 is a diagram showing a segment type EL drive circuit which is the first embodiment of the present invention, FIG. 2 is a diagram showing voltage waveforms of each part of the circuit in FIG.
FIG. 2 is a characteristic diagram of applied voltage V vs. luminance brightness B. Fourth
The figure shows segment type E, which is the second embodiment of the present invention.
FIG. 5 is a diagram showing the voltage waveform of each part of the circuit of FIG. 4. 6 and 7 show structural examples of the segment type EL, with FIG. 6 being a plan view and FIG. 7 being a sectional view. FIG. 8 is a diagram showing a conventional drive circuit for a segment type EL, and FIG. 9 is a diagram showing voltage waveforms at various parts in the circuit of FIG. 10, 20...Segment type EL drive circuit,
11a, 11b...11g...Segment electrode, 1
2...Common electrode, 13a, 13b...13g...Each segment portion of the light emitting layer, 16a, 16b...16
g...Switching element, 19a, 19b...19
g...Shunt element.
Claims (1)
んだセグメント型ＥＬにおいて、 交流パルス電圧を発生する電源と、 導通信号を受けたとき共通電極と各セグメント
電極間に上記交流パルス電圧を印加する複数のス
イツチング素子と、 スイツチング素子の各々に並列接続され、スイ
ツチング素子の遮断方向の電圧が印加されたとき
、所定の電圧降下を伴つて通電する側路素子とを
具備したことを特徴とするセグメント型ＥＬの駆
動回路。[Claims for Utility Model Registration] In a segment type EL in which a light emitting layer is sandwiched between a common electrode and a plurality of segment electrodes, a power source that generates an AC pulse voltage, and a connection between the common electrode and each segment electrode when receiving a conductive signal. The switching device includes a plurality of switching devices that apply the AC pulse voltage, and a bypass device that is connected in parallel to each of the switching devices and conducts current with a predetermined voltage drop when a voltage in a direction to cut off the switching device is applied. A segment type EL drive circuit characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6663786U JPS62179793U (en) | 1986-04-30 | 1986-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6663786U JPS62179793U (en) | 1986-04-30 | 1986-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62179793U true JPS62179793U (en) | 1987-11-14 |
Family
ID=30904828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6663786U Pending JPS62179793U (en) | 1986-04-30 | 1986-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62179793U (en) |
-
1986
- 1986-04-30 JP JP6663786U patent/JPS62179793U/ja active Pending
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