研究領域

人工視網膜眼外刺激系統

內視鏡

微型投影機

檢測鏡頭

HMD

人工視網膜眼外刺激系統

簡介

人工視網膜晶片在生醫跨領域裡正在持續發展當中,但是目前人工視網膜晶片所遇到最大的問題,是由於受刺激的環境光亮度不足,導致視網膜晶片經過刺激後無法產生足夠之電流刺激視神經。因此做一個將影像的光源放大系統,在本階段為重要發展之關鍵技術。

工作原理

將帶有影像之光訊號經過影像擷取系統擷取影像後,再將影像顯示在頭戴顯示系統上,讓比原有環境光源更強上數十倍的光源去照射帶有影像之產生器如反射式液晶,將影像經由頭戴型顯示器傳遞到人體的視網膜上。

相關發表:

A. International Journal Papers:

[1] J. W. Pan*, C. W. Chiang, K. D. Huang, and C. Y. Wu,"Demonstration of a broad band spectral head-mounted display with freeform mirrors," Opt. Express 22(11),12785-12798 (2014).

B. International Conference Papers:

[1] H. C. Hung, J. W. Pan*, C. W. Chiang, and Y. C. Hung, "Optical Design of a Compact See-Through Head-Mounted Display with a Light-Guide Plate," presented at Society of Information Display, San Diego, USA, 1-6 June 2014.

[2] H. C. Hung, C. W. Chiang, Y. K. Hsu, Y. J. Chen, Y. C. Huang, and J. W. Pan*, "Demonstration of a Compact See-Through Head-Mounted Display with Light Guide Plate," presented at the Internal Display Workshops, Sapporo, Japan, 4-6 December 2013.

相關專利:

[1] 許銘仁、王志中、潘瑞文、洪祥傑,"頭戴式顯示裝置",中華民國-發明專利 I484219(2015.05.11~2033.08.29)

[2] 吳重雨、潘瑞文、黃冠達,"影像顯示裝置",中華民國-發明專利 I470272(2015.01.21~2032.07.23)

內視鏡

傳統內視鏡:

光源(照明系統)用來把光線導入體內,照亮所要看的部位。早期是將小燈泡放在內視鏡前端,現代則將光源置於體外,經由光纖系統導入體內.或者在鏡頭端加上LED.

影像傳輸:

硬式內視鏡利用一系列透鏡將影像傳送到接目鏡,軟式鏡則利用光纖傳出影像,光電耦合元件(CCD)置於內視鏡前端,再將數位化的影像信息傳出。有一些內視鏡內附有管道,可以沖水或空氣使視野清晰,此外也可供手術或切片用的器械進出操作,這些管道稱為"工作管道"(working channel)。

相關發表:

[1] L. Y. Chen, J. W. Pan*,M. J. Sheu, K. D. Chang "Microprism for a capsule endoscope with wafer level optics" J. Opt. 21. (2019).IF 2.753,Rank 0.316.

[2] M. J. Sheu, Y. L. Liu, J. J. Wang , J. W. Pan* "Design of a bi-directional illumination system for a dual view capsule endoscope,"J. Mod. Opt. 66(3), 252-262 (2018). IF 1.328, Rank 0.63..

[3] M. J. Sheu, C. W. Chiang, W. S. Sun, J. J. Wang, and J. W. Pan*, "Dual view capsule endoscopic lens design," Opt. Express 23(7), 8565-8575(2015). IF 3.525, Rank 0.0723.

相關專利:

[1] 吳重雨、潘瑞文、蘇昱中、王志中、林育民、許銘仁、馮意哲,"雙式角膠囊內視鏡之鏡頭系統",中華民國-發明專利 I474040 (2015.02.21~2032.12.24)

微型投影機

簡介

微型投影裝置泛指重量1公斤以下的可攜式投影機,其又可分為微型投影機與口袋型投影機,微型投影機更小更輕,主要是用來與行動裝置整合,可以內嵌在行動裝置中,如手機、UMPC、數位相機等,並透過行動裝置的電池提供電源,或可獨立式微型投影機;口袋型投影機與傳統投影機相似,但重量與體積更為輕薄。

工作原理

白光會穿過一個彩色濾光片,讓紅、綠、藍和甚至黃色、青綠色、洋紅色等其他原色逐一照在 DLP 晶片的表面上。鏡片的開關以及「開」或「關」的時間比例會根據投射其上的顏色而調節。然後,序列顏色就會混合,產生我們在螢幕上所看到的全彩影像。

Ref: https://www.dlp.com/tw

相關發表:

A. International Journal Papers:

[1]C. K. Lo, J. W. Pan* "Speckle Reduction with Fast Electrically Tunable Lens and Holographic Diffusers in a Laser Projector" Opt. Commun. 454, (2020), IF 1.961, Rank 0.505.

[2]J. W. Pan*,J. S. Li, C. M. Wang,"Global solution of achromatic Total Internal Reflection prism in projection system"Opt. Commun. 428, 141-151,(2018). IF 1.887, Rank 0.49

[3] H. C. Wang, J. W. Pan* "An ultrashort throw ratio projection lens design based on a catadioptric structure,"J. Mod. Opt. 65(12),1393-1403 (2018). IF 1.328, Rank 0.63.

[4] H. A. Chen, J. W. Pan* and Z. P. Yang "Speckle reduction using deformable mirrors with diffusers in a laser pico-projector,"Opt. Express. 25(15),18140-18151 (2017). IF 3.307, Rank 0.174.

[5] J. W. Pan* and C. H. Shih "Speckle noise reduction in the LASER mini-projector by vibrating diffuser," J. Opt. 19(4) (2017). IF 2.059, Rank 0.299.

[6] W. S. Sun and J. W. Pan* "Non-telecentric projection lens design for a LED projector," Appl. Opt. 56(3), 712-720 (2017).IF 1.784, Rank 0.4137.

[7] J. W. Pan* and Y. C. Chen, "Wide-converter lens design for a pico projector, "Appl. Opt. 53(36),8481-8491(2014).IF 1.649, Rank 0.3494.

[8]S. Sun, C. L. Tien*, C. H. Tsuei, C. H. Ma, and J. W. Pan, "Compact LED projector design with high uniformity and efficiency,"Appl. Opt. 53(29), H227-H232 (2014). IF 1.649, Rank 0.3494

[9] Y. C. Huang and J. W. Pan*, "High contrast ratio and compact-sized prism for DLP projection system," Opt. Express. 22(14), 17016-17029 (2014). IF 3.525, Rank 0.0723.

[10] J. W. Pan* and C. H. Shih, "Speckle reduction and maintaining contrast in a LASER pico-projector using a vibrating symmetric diffuser," Opt. Express. 22(6), 6464-6477 (2014). IF 3.525, Rank 0.0723.

[11]J. W. Pan*and H. H. Wang, "High contrast ratio prism design in a mini projector," Appl. Opt. 52(34), 8347-8354 (2013). IF 1.649, Rank 0.3494.

[12] J. W. Pan* and S. H. Lin, "Achromatic design in the illumination system for a mini projector with LED source,"Opt. Express. 19(17), 15750-15759(2011). IF 3.587, Rank 0.0759.

[13] J. W. Pan*, S. H. Tu, C. M. Wang, and J. Y. Chang, "High efficiency pocket-size projector with a compact projection lens and a light emitting diode-based light source system," Appl. Opt. 47(19), 3406-3414(2008) . IF 1.763, Rank 0.2812.

[14] J. W. Pan, C. M. Wang, H. C, Lain, W. S, Sun, and J. Y. Chang*, "Homogenized LED-illumination using microlens arrays for a pocket-sized projector," Opt. Express. 15(17), 10483-10491(2007) . IF 3.709, Rank 0.0312.

[15]J. W. Pan*, C. M. Wang, W. S. Sun, and J. Y. Chang, "Portable digital micromirror device projector using a prim," Appl. Opt. 46(22), 5097-5102 (2007). IF 1.701, Rank 0.2656.

B. International Conference Papers:

[1] C. H. Shih, Y. J. Chen, Y. C. Huang, C. W. Chiang, C. W. Chiang, Y. K. Hsu, and J. W. Pan*, "Vibrating circular symmetrc diffuser to reduce laser speckle in the laser mini-projector," presented at the Optics-Photonics Design and Fabrication, Itabashi, Japan, 12-14 February 2014.

[2] H. H. Wang, J. W. Pan*, Y. C. Huang, and C. W. Chiang, "Distinguished Paper: A Higher-Contrast, Ghost-Ray-Deflecting, Total-Internal-Reflection Light Separator for LED DLP Projectors," presented atSociety of Information Display, San Diego, USA, 1-6 June 2014.

[3] S. H. Lin, J. W. Pan*, H. H. Wang, P. J. Tsai, Y. C. Su, and Y. W. Hu, " Reducing the Chromatic Aberration in the Illumination System for the LED Mini Projector," presented at the Internal Display Workshops, Nagoya, Japan, 7-9 December 2011.

相關專利:

[1] 吳昭憲、王苑麟、潘瑞文,"光學引擎及具有該光學引擎之投影裝置",中華民國-發明專利 I294986 (2008.03.21 ~ 2024.10.07)

[2] 潘瑞文,"液晶投影機分光系統之改良",中華民國-新型專利 483532 (2002.04.11~2013.02.05)

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