KR880014507A - LED Drive Integrated Circuit - Google Patents
LED Drive Integrated Circuit Download PDFInfo
- Publication number
- KR880014507A KR880014507A KR870005521A KR870005521A KR880014507A KR 880014507 A KR880014507 A KR 880014507A KR 870005521 A KR870005521 A KR 870005521A KR 870005521 A KR870005521 A KR 870005521A KR 880014507 A KR880014507 A KR 880014507A
- Authority
- KR
- South Korea
- Prior art keywords
- light emitting
- circuit
- emitting diode
- transistor
- diode driving
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
- G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
- G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
- G09G3/14—Semiconductor devices, e.g. diodes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Led Devices (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제2도는 본 발명의 회로를 개략적으로 나타낸 블럭도, 제3도는 제2도의 세부 블럭도,제4도는 제3도의 상세 회로도.2 is a schematic block diagram of a circuit of the present invention, FIG. 3 is a detailed block diagram of FIG. 2, and FIG. 4 is a detailed circuit diagram of FIG.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870005521A KR890004381B1 (en) | 1987-05-30 | 1987-05-30 | Intergrated circuit for led drive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870005521A KR890004381B1 (en) | 1987-05-30 | 1987-05-30 | Intergrated circuit for led drive |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880014507A true KR880014507A (en) | 1988-12-24 |
KR890004381B1 KR890004381B1 (en) | 1989-10-31 |
Family
ID=19261854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870005521A KR890004381B1 (en) | 1987-05-30 | 1987-05-30 | Intergrated circuit for led drive |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890004381B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100714277B1 (en) * | 2006-07-12 | 2007-05-11 | 주식회사 인스모바일 | A serial connection-typed led module for level meter and level meter thereby |
-
1987
- 1987-05-30 KR KR1019870005521A patent/KR890004381B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100714277B1 (en) * | 2006-07-12 | 2007-05-11 | 주식회사 인스모바일 | A serial connection-typed led module for level meter and level meter thereby |
Also Published As
Publication number | Publication date |
---|---|
KR890004381B1 (en) | 1989-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
N231 | Notification of change of applicant | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20040331 Year of fee payment: 16 |
|
LAPS | Lapse due to unpaid annual fee |