JPS535596A - Led display unit - Google Patents

Led display unit

Info

Publication number
JPS535596A
JPS535596A JP8004176A JP8004176A JPS535596A JP S535596 A JPS535596 A JP S535596A JP 8004176 A JP8004176 A JP 8004176A JP 8004176 A JP8004176 A JP 8004176A JP S535596 A JPS535596 A JP S535596A
Authority
JP
Japan
Prior art keywords
display unit
led display
dark
secure
utilizing
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
JP8004176A
Other languages
Japanese (ja)
Inventor
Tamotsu Koyama
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP8004176A priority Critical patent/JPS535596A/en
Publication of JPS535596A publication Critical patent/JPS535596A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)
  • Audible And Visible Signals (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

PURPOSE: To increase the contrast in order to secure an easy reading of the display even in the dark, by utilizing the characteristics of the circular deflecting plate as well as the fact that the light emission surface of light emitting diode LED is a mirror surface.
COPYRIGHT: (C)1978,JPO&Japio
JP8004176A 1976-07-05 1976-07-05 Led display unit Pending JPS535596A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8004176A JPS535596A (en) 1976-07-05 1976-07-05 Led display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8004176A JPS535596A (en) 1976-07-05 1976-07-05 Led display unit

Publications (1)

Publication Number Publication Date
JPS535596A true JPS535596A (en) 1978-01-19

Family

ID=13707152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8004176A Pending JPS535596A (en) 1976-07-05 1976-07-05 Led display unit

Country Status (1)

Country Link
JP (1) JPS535596A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588953U (en) * 1981-07-08 1983-01-20 日本電気株式会社 semiconductor equipment
JPS5841046A (en) * 1981-08-19 1983-03-10 ネスパク・エス・ピ−・エ−・ソシエタ・ゼネラル・ペル・ルイムバラギオ Prefabricated plastic frame body and its assembling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588953U (en) * 1981-07-08 1983-01-20 日本電気株式会社 semiconductor equipment
JPS5841046A (en) * 1981-08-19 1983-03-10 ネスパク・エス・ピ−・エ−・ソシエタ・ゼネラル・ペル・ルイムバラギオ Prefabricated plastic frame body and its assembling device

Similar Documents

Publication Publication Date Title
CA1030642A (en) Light emitting diode module
JPS52102719A (en) Indicator control circuit
JPS5316591A (en) Light emitting diode structural body and display device
CA1007736A (en) Integral lens light emitting diode
JPS535596A (en) Led display unit
JPS5234739A (en) Light printer
JPS5380988A (en) Light emitting diode
JPS5319794A (en) Display circuit
JPS5380989A (en) Light emitting diode
JPS5271184A (en) Semiconductor photosensitive light emitting element
JPS5275127A (en) Light source for information reading unit
JPS52114378A (en) Potential indicator
JPS546786A (en) Light emitting diode
JPS5347284A (en) Gap light emitting diode
JPS5252590A (en) Semiconductor light emitting device
JPS5396812A (en) Magnetic recorder-reproducer
JPS5420685A (en) Light emitting diode
JPS5360113A (en) Picture image reading device
JPS5376690A (en) Solid light emitting device
JPS5346293A (en) Direct modulating circuit of light emitting diode
JPS5394883A (en) Light emission diode device
JPS5363884A (en) Light emitting diode display element
JPS5237783A (en) Light emission diode
JPS529469A (en) Rainbow emitting decoration for clock
JPS52119087A (en) Semiconductor light emitting diode