| 6317170 |
Large screen compact image projection apparatus using a hybrid video laser color mixer |
Seung-nam Cha, Jin Ho Lee |
2001-11-13 |
| 6170953 |
Laser video projector for projecting image to a plurality of screens |
Jin Ho Lee |
2001-01-09 |
| 6147806 |
Apparatus and a method for separating a light beam using a hybrid dichroic mirror and a method for manufacturing the apparatus |
Jung-Ho Park, Young-Jun Park |
2000-11-14 |
| 6101037 |
Apparatus and a method for combining light beams by using two flat plates with an air gap therebetween |
Young-Jun Park, Jung-Ho Park, Yong Hoon Kim |
2000-08-08 |
| 6072633 |
Apparatus for separating a light beam by using two flat plates with an air gap therebetween and hybrid dichroic mirrors and a method therefor |
Jung-Ho Park, Young-Jun Park, Yong Hoon Kim |
2000-06-06 |
| 6023374 |
Compacted beam path expander, a method for expanding beam path and a large-area laser projection display system having a small compacted optical system |
— |
2000-02-08 |
| 6005718 |
Apparatus and a method for combining light using one flat plate and a method for manufacturing the apparatus |
Jung-Ho Park, Young-Jun Park |
1999-12-21 |
| 5671232 |
Second harmonic generation method and apparatus |
Hang-woo Lee, Sang Hak Lee, Joseph K. Chee, Yurij V. Tsvetkov, Alexander V. Semenenko +1 more |
1997-09-23 |
| 5577059 |
Second harmonic generation method and apparatus |
Hang-woo Lee, Sang Hak Lee, Joseph K. Chee, Yurij V. Tsvetkov, Alexander V. Semenenko +1 more |
1996-11-19 |
| 5495489 |
Second harmonic generating method and apparatus |
Jin Ho Lee |
1996-02-27 |
