Company
Product List
Offer to buy
Offer to sell
登录
添加会员
求助
Languages
English
繁體中文
簡體中文
Chengdu Fscreen Sci-Tech Co., Ltd.
回首页
公司简介
产品橱窗
影音视听
寄出询问函
联络我们
Recommended Results
Fresnel Lens for Projection Display
产品分类 :
服務業->其他->顯示設備
看放大图
看放大图
看放大图
产品规格
Country
CN
Brand
Fscreen
Materials
Optic PMMA
size
Weight
Color
Packing
Minimum Order
Payment Term
T/T
产品描述
A fresnel lens applied in a projection system to collimate light through the fresnel lense panel, provide significantly superior corner illumination and enhance overall display luminance uniformity, it also helps to eliminate hotspot. Usually it is used with other micro prismatic components(such as lenticular lens).
一旦光学系统中需要较大尺寸透镜,通常采用菲涅尔透镜。普通玻璃透镜如果直径超过3或4英寸(76mm或100mm)时,制造成本就相当可观。如果是应用在显示系统中,还需要考虑透镜重量和所占空间都不能过大这些因素。菲涅尔透镜可以做出很平薄,用塑料材料,以体积轻便,成本低廉成为传统透镜的替代品。
也不是所有大尺寸光学显示应用都适合应用菲涅尔透镜。因为菲镜特定结构表面(光损失),以及塑料材料热机械性能的限制,导致其精度无法达到某些科技要求,如天文设备中通常需要大尺寸透镜。但是菲涅尔透镜在显示应用中则相当完美。
菲涅尔透镜被证明最佳应用就是在投影系统中,其作用就是准直光线和聚焦光线。菲涅尔透镜将光源发出的束光源调整为平行光,显着提高显示面板四周亮度,消除了太阳斑效应,从而提高整体显示亮度均匀性。通常菲涅尔透镜与其他显示元件(如柱面镜)一起使用。
[ 返回产品型录 ]
Commerce 会员:
请登录您的帐号跟口令,系统将为您填入您的相关资料
帐号:
口令:
记住我的帐号
填写下列表格并寄送询问函.所有的询问信函将会自动寄发给你想联络的公司
主題
內容
( 请勿输入公司名称、Email、电话、传真、网址 )
公司简介:
*
公司名称
*
E-mail
*
国家
Please Select Your Country
United States
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Anguilla
Antarctica
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia
Austria
Azerbaidjan
Bahamas
Bahrain
Bangladesh
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia Herzegovina
Botswana
Bouvet Island
Brazil
British Indian Ocean Territory
Brunei Darussalam
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Canada
Cape Verde
Cayman Islands
Central African Republic
Chad
Chile
China
Christmas Island
Cocos (Keeling) Islands
Colombia
Comoros
Congo
Cook Islands
Costa Rica
Croatia
Cuba
Cyprus
Czech Republic
Denmark
Djibouti
Dominica
Dominican Republic
East Timor
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Falkland Islands
Faroe Islands
Fiji
Finland
Former Czechoslovakia
Former USSR
France
France (European Territory)
French Guyana
French Southern Territories
Gabon
Gambia
Georgia
Germany
Ghana
Gibraltar
Great Britain
Greece
Greenland
Grenada
Guadeloupe (French)
Guam (USA)
Guatemala
Guinea
Guinea Bissau
Guyana
Haiti
Heard and McDonald Islands
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Ivory Coast
Jamaica
Japan
Jordan
Kazakhstan
Kenya
Kiribati
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
Macau
Macedonia
Madagascar
Malawi
Malaysia
Maldives
Mali
Malta
Marshall Islands
Martinique (French)
Mauritania
Mauritius
Mayotte
Mexico
Micronesia
Moldavia
Monaco
Mongolia
Montserrat
Morocco
Mozambique
Myanmar
Namibia
Nauru
Nepal
Netherlands
Netherlands Antilles
Neutral Zone
New Caledonia (French)
New Zealand
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
North Korea
Northern Mariana Islands
Norway
Oman
Pakistan
Palau
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Pitcairn Island
Poland
Polynesia (French)
Portugal
Puerto Rico
Qatar
Reunion (French)
Romania
Russian Federation
Rwanda
S. Georgia & S. Sandwich Isls.
Saint Helena
Saint Kitts & Nevis Anguilla
Saint Lucia
Saint Pierre and Miquelon
Saint Tome (Sao Tome) and Principe
Saint Vincent & Grenadines
Samoa
San Marino
Saudi Arabia
Senegal
Seychelles
Sierra Leone
Singapore
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Korea
Spain
Sri Lanka
Sudan
Suriname
Svalbard and Jan Mayen Islands
Swaziland
Sweden
Switzerland
Syria
Tajikistan
Taiwan
Tanzania
Thailand
Togo
Tokelau
Tonga
Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom
Uruguay
Uzbekistan
Vanuatu
Vatican City State
Venezuela
Vietnam
Virgin Islands (British)
Virgin Islands (USA)
Wallis and Futuna Islands
Western Sahara
Yemen
Yugoslavia
Zaire
Zambia
Zimbabwe
*
联络人
网址
*
电话
-
-
传真
-
-
*
邮递区号
*
城市
*
街道地址
*
企业形态
批发商
出口商
进口商
制造商
大盘商
零售商
代理商
Retrofitter
使用者
其他, 请详细说明:
*
安全口令
请输入所显示的安全口令
网站导览 l
隐私权政策 l
服务团队 l
合作提案 l
联络我们 l
帮帮我 l
广告刊登l
B2B商业伙伴
.