JPS55158568A - Liquid crystal display panel measuring apparatus - Google Patents
Liquid crystal display panel measuring apparatusInfo
- Publication number
- JPS55158568A JPS55158568A JP6717579A JP6717579A JPS55158568A JP S55158568 A JPS55158568 A JP S55158568A JP 6717579 A JP6717579 A JP 6717579A JP 6717579 A JP6717579 A JP 6717579A JP S55158568 A JPS55158568 A JP S55158568A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- display panel
- driving
- response speed
- 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
Abstract
PURPOSE: To measure the response speed simply according to various conditions by driving the liquid crystal display panel with desired frequency and voltage while the driving is started or stopped at any time.
CONSTITUTION: When measuring the response speed of the liquid crystal display panel 6, the frequency for driving is preset with a selector switch 12 while the drive voltage is set with the variable resistance 14. Subsequently, with the switch 20 closed, the driving of the liquid crystal display panel starts. If the time is measured until the display contrast of the liquid crystal display reaches the given value from the start, the response speed can be determined. When the switch 19 is closed while the liquid crystal display panel 6 is being driven and the time is measured until the display contrast reaches the given value from this point, the response speed at the cancelation of the display can be determined.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6717579A JPS55158568A (en) | 1979-05-29 | 1979-05-29 | Liquid crystal display panel measuring apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6717579A JPS55158568A (en) | 1979-05-29 | 1979-05-29 | Liquid crystal display panel measuring apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55158568A true JPS55158568A (en) | 1980-12-10 |
Family
ID=13337284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6717579A Pending JPS55158568A (en) | 1979-05-29 | 1979-05-29 | Liquid crystal display panel measuring apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55158568A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5128796A (en) * | 1974-09-04 | 1976-03-11 | Sharp Kk | Ekishohyojisochi no kudohoho |
JPS52120793A (en) * | 1976-04-05 | 1977-10-11 | Casio Comput Co Ltd | Liquid crystal display unit |
-
1979
- 1979-05-29 JP JP6717579A patent/JPS55158568A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5128796A (en) * | 1974-09-04 | 1976-03-11 | Sharp Kk | Ekishohyojisochi no kudohoho |
JPS52120793A (en) * | 1976-04-05 | 1977-10-11 | Casio Comput Co Ltd | Liquid crystal display unit |
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