中国科学院机构知识库网格系统: 检索

Effect of Display Methods on Intentions to Use Virtual Reality in Museum Tourism 期刊论文 OAI收割
JOURNAL OF TRAVEL RESEARCH, 2023, 卷号: N/A
作者: Wang, Jinwei; Sun, Yue; Zhang, Liyan; Zhang, Saiyin; Feng, Ling

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收藏 | 浏览/下载：23/0 | 提交时间：2023/05/06

virtual reality museum tourism virtual tourism display method flow experience intention to use VR

Fundamentals and applications of electrowetting: A critical review 期刊论文 OAI收割
REVIEWS OF ADHESION AND ADHESIVES, 2013, 卷号: 1, 期号: 1, 页码: 114-174
作者: Zhao YP(赵亚溥); Wang Y(王樱)

收藏 | 浏览/下载：53/0 | 提交时间：2014/02/13

Electrowetting (EW) electrowetting-on-dielectric (EWOD) Lippmann-Young (L-Y) equation curvature effect elasto-electro-capillarity (EEC) Lattice Boltzmann method (LBM) phase-field model molecular dynamics (MD) simulations coffee stain ring electronic display liquid lens Micro Total Analysis Systems (μ-TAS) cell-based digital microfluidics

Structural amelioration of 920 nm optically pumped semiconductor vertical external-cavity surface emitting laser (OPS-VECSEL) (EI CONFERENCE) 会议论文 OAI收割
2nd International Conference on Energy, Environment and Sustainable Development, EESD 2012, October 12, 2012 - October 14, 2012, Jilin, China
作者: Liu Y.; Liu Y.; Wang L.; Wang L.; Wang L.

收藏 | 浏览/下载：18/0 | 提交时间：2013/03/25

920 nm optically pumped semiconductor vertical external-cavity surface emitting laser (OPS-VECSEL) has an important application in laser display. We constructed and optimized a 920 nm OPS-VECSEL with active region of In0.09Ga0.91As quantum well (QW) system pumped by 808 nm laser diode module. By the finite element method self-consistent solutions of the semiconductor electronic and optical equations are realized to calculate the characteristics parameters of OPS-VECSEL. The performances of device especially the mode the threshold and the optical-optical translation efficiency were analyzed by dealing with different number of QWs (1 2 and 3) in one period QW depth barrier width the component and dimension of the non-absorption layer. We chose an improved structure of them. On this basis we ameliorated the number of QW periods and the simulation showed that in order to obtain high performance device the choice of the number of QW periods must be cautious. (2013) Trans Tech Publications Switzerland.

LED display image correction based on computer simulation (EI CONFERENCE) 会议论文 OAI收割
2012 International Applied Mechanics, Mechatronics Automation Symposium, IAMMAS 2012, September 7, 2012 - September 9, 2012, Shenyang, Liaoning, China
Zheng X.-F.; Chang F.

收藏 | 浏览/下载：24/0 | 提交时间：2013/03/25

For the purposes of correcting the LED display image a method based on computer simulation is proposed. First the development of the LED display panel is introduced. Second analyze the causes of the problem which image in LED display panel has serious high nonuniformity and introduce the existed correction techniques which are used to reduce the nonuniformity of LED display image. Simultaneously point out the ground for shortcomings of these techniques. Third describe the principle of correction method based on computer simulation detail from two steps which are the luminous collection and luminous copulation. Forth describe the realization steps of this method in accordance with the third step. Finally this method is supplied in a LED display panel whose resolution is 640480. Experimental results show that this method is able to reduce the non-uniformity of images from 11.06% to 0.98%. (2012) Trans Tech Publications Switzerland.

LED display panel grayscale modulation based on computer calculation (EI CONFERENCE) 会议论文 OAI收割
2012 International Applied Mechanics, Mechatronics Automation Symposium, IAMMAS 2012, September 7, 2012 - September 9, 2012, Shenyang, Liaoning, China
Wang R.-g.; Chang F.

收藏 | 浏览/下载：24/0 | 提交时间：2013/03/25

In order to improve the method of the LED display panel grayscale modulation a method based on computer calculation is proposed. First the development history and trends of the LED display panel are introduced. Second present the structure of the LED display panel and the existed modulation method. Simultaneously point out the ground for shortcomings of the existed method. Third describe the principle modulation method based on computer calculation detail from two steps which are the data signal transformation and the grayscale modulation. Forth describe the realization steps of this method in accordance with the third step. Finally this method is supplied in a LED display panel whose resolution is 320240. Experimental results show that this method is able to increase the grayscale from 14-bit to 16-bit and can enhance the display result of the LED display panel significantly. (2012) Trans Tech Publications Switzerland.

The synthesis of graphene on carbon nanotube surface (EI CONFERENCE) 会议论文 OAI收割
25th International Vacuum Nanoelectronics Conference, IVNC 2012, July 9, 2012 - July 13, 2012, Jeju, Korea, Republic of
作者: Wang W.; Wang W.

收藏 | 浏览/下载：14/0 | 提交时间：2013/03/25

Layered graphene were synthesized on carbon nanotubes surface by MWCVD method with the pretreatment of carbon nanotube. The field emission propertied of graphene-carbon nanotube complex material emitter. This kind of emitter may have potential applications in field emission display device for improving emission uniform. 2012 IEEE.

A brightness and color correction method of LED display based on CCD camera (EI CONFERENCE) 会议论文 OAI收割
2012 International Applied Mechanics, MechatronicsAutomation and System Simulation Meeting, AMMASS 2012, June 24, 2012 - June 26, 2012, Hangzhou, China
作者: Wang R.

收藏 | 浏览/下载：21/0 | 提交时间：2013/03/25

The correction methods of LED displays are aiming to address the uniform issues which includes brightness aspect and color aspect. The correction method use a 33 correction coefficients matrix to reshape the pulse width of each LED. To calculate the correction coefficients a linear system is established which includes a color CCD and a LED display. And a correction algorithm is introduced based on the color CCD. This algorithm describes the relationships of the main color components of a LED when the gray level of a LED is increasing or decreasing the three main color components would change according to the correction coefficients. The results shows that the correction based on this algorithm improved the performance of LED displays. (2012) Trans Tech Publications Switzerland.

An accuracy requirement analysis for LED brightness and color correction system (EI CONFERENCE) 会议论文 OAI收割
2011 International Conference on Transportation, Mechanical, and Electrical Engineering, TMEE 2011, December 16, 2011 - December 18, 2011, Changchun, China
作者: Wang R.

收藏 | 浏览/下载：62/0 | 提交时间：2013/03/25

Brightness and color correction system is working for the color uniform problem of LED display. The correction system can improve LED display's quality greatly. The accuracy of the LED system must consider the accuracy requirements of the color correction system. This paper analyze the accuracy requirements from two aspects. One is that the accuracy requirements should consider the chromatic tolerance for the human eyes the other one is that the accuracy requirements should be associated with the precision of measuring equipment. This paper discuss the accuracy requirement with the CIE1976LUV as a color space to meet the chromatic tolerance of the human eyes and also give an explanation on how the accuracy of the measuring equipment affect the the correction system. Then this paper give a method to ensure the accuracy requirement for the correction system of a LED display. 2011 IEEE.

DVI interface, optical fiber video transceiver used in LED display system (EI CONFERENCE) 会议论文 OAI收割
2011 IEEE 3rd International Conference on Communication Software and Networks, ICCSN 2011, May 27, 2011 - May 29, 2011, Xi'an, China
作者: Wang R.; Li S.

收藏 | 浏览/下载：27/0 | 提交时间：2013/03/25

A professional DVI-Video optical fiber transceiver was designed based on FPGA (Field Programmable Gate Array) in order to meet the need of real-time LED display. The system could be used to transmit a non-loss real-time video source whose resolution was 1024 768 and refresh rate was 60Hz in a single mode optical fiber. The top-down design method was used while programming FPGA. Some module design ideas were discussed including video data acquisition caching framing frame detecting and video reproducing. The required bandwidth of each module was analyzed and calculated in details. Some relevant simulation results were also given. In practical test real-time video display was achieved. And the transmission rate of coded data was up to 2Gbps and the transmission distance could reach 10km. 2011 IEEE.

P-127: Stabilization of azodye alignment layer for liquid crystal display (EI CONFERENCE) 会议论文 OAI收割
48th Annual SID Symposium, Seminar, and Exhibition 2010, Display Week 2010, May 23, 2010 - May 28, 2010, Seattle, WA, United states
作者: Xuan L.

收藏 | 浏览/下载：18/0 | 提交时间：2013/03/25

In this paper we explore novel method of fabricating novel stable alignment layer for liquid crystal display. Large azimuthal anchoring energy and alignment quality comparable to that of rubbed polyimide film is obtained without using a contact process. The poor photostability known for azodye materials is overcome with the additional introduction of photocrosslinking material.