JPS642138U - - Google Patents
Info
- Publication number
- JPS642138U JPS642138U JP9614987U JP9614987U JPS642138U JP S642138 U JPS642138 U JP S642138U JP 9614987 U JP9614987 U JP 9614987U JP 9614987 U JP9614987 U JP 9614987U JP S642138 U JPS642138 U JP S642138U
- Authority
- JP
- Japan
- Prior art keywords
- lcd panel
- reference value
- brightness unevenness
- outputting
- photoelectric conversion
- 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
- 238000007689 inspection Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 239000005338 frosted glass Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は、本考案によるＬＣＤパネル輝度ムラ
検査装置の一実施例を示すブロツク図、第２図は
、ＬＣＤパネルの輝度ムラを説明する斜視図であ
る。
３……ＬＣＤパネル、４……磨りガラス、５…
…磨りガラス、６……バツクライト、７……バツ
クライト、８……バツクライト、９……フオトセ
ンサー、１０……フオトセンサー、１１……フオ
トセンサー、１２……コンパレーター、１３……
オアゲート、１４……出力端子。
FIG. 1 is a block diagram showing an embodiment of an LCD panel brightness unevenness inspection apparatus according to the present invention, and FIG. 2 is a perspective view illustrating brightness unevenness of an LCD panel. 3... LCD panel, 4... Frosted glass, 5...
...Frosted glass, 6... Back light, 7... Back light, 8... Back light, 9... Photo sensor, 10... Photo sensor, 11... Photo sensor, 12... Comparator, 13...
OR gate, 14...output terminal.
Claims (1)
することでＬＣＤパネルの輝度ムラを検査するよ
うにしたＬＣＤパネル輝度ムラ検査装置において
、前記基準値を出力する光電変換手段と、該光電
変換手段に光を照射する光源とを有するＬＣＤパ
ネル輝度ムラ検査装置。 In an LCD panel brightness unevenness inspection device that inspects brightness unevenness of an LCD panel by comparing the brightness of a plurality of parts of the LCD panel with a reference value, a photoelectric conversion means for outputting the reference value, and a photoelectric conversion means for outputting the reference value; An LCD panel brightness unevenness inspection device having a light source that irradiates light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9614987U JPS642138U (en) | 1987-06-23 | 1987-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9614987U JPS642138U (en) | 1987-06-23 | 1987-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS642138U true JPS642138U (en) | 1989-01-09 |
Family
ID=30961576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9614987U Pending JPS642138U (en) | 1987-06-23 | 1987-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS642138U (en) |
-
1987
- 1987-06-23 JP JP9614987U patent/JPS642138U/ja active Pending