2013, XY SCREEN projection screen set up production plants in mainland China screen - Guangzhou-Yun audio-visual equipment, base set up in Guangzhou City, Guangdong Province, put into product categories are screen frame, curved frame screen, electric screen, Folding screen, easy screen, large-scale projects of electric and projector hanger; curtain material comprises acoustically transparent screen, 3D acoustically transparent screen, metal screen, high-definition soft screen, high-definition glass screen and so on. The company's main product projection screen, projector screen is mainly used in home theater, office culture, education, etc., welcome customers to consult. Gain ray angle constant. Projection flux under the same circumstances. Projection screen one direction than the brightness of brightness to the ideal state, called the brightness factor in this direction. The projection screen, which is called the maximum gain. It reflects the projected light reflected projection screen capability. Is a measure of the relative value of the parameter screen brightness and optical properties of different screen material. We usually gain matte white walls set to 1. If the projector screen gain less than 1, will weaken the projected light gain is greater than 1. If the projection screen will reflect or refract more of the projected light. Introducing gain this indicator, we have to talk about half gain and half-gain angles. In high-definition projection screen projection screen industry, we generally will viewers watch an image from a wide-angle screen brightness performance indicators defined named half gain, while half-gain angle of the projection screen will directly affect the display screen. 2013 4K high-definition projection screen, XY SCREEN projection screen set up production plants in mainland China screen - Guangzhou-Yun audio-visual equipment, base set up in Guangzhou City, Guangdong Province, put into product categories are screen frame, curved screen frame , electric screen, folding screen high-definition projection screen size, simple metal screen 3D projection screen, large-scale projects of electric and projector hanger; curtain material comprises acoustically transparent screen, 3D acoustically transparent screen, metal screen, high-definition soft screen, high-definition glass screen and so on. The company's main product projection screen, projector screen is mainly used in home theater, office culture, education, etc., welcome customers to consult. The aspect ratio of the aspect ratio of the projection screen is a more important technical indicators, it will directly affect the quality of the picture and only the native resolution of the projector and the screen aspect ratio of the projector, the resolution of the signal source is fully fit, the only It will display perfectly. Sources in different formats, there are 16: 9,4: 3,2.3: a popular choice, 2.35: 1 to become the first high-definition movies to choose a new projection screen size | Shaoguan HD projector screen | male cloud audiovisual equipment from Guangzhou Xiong Yun audio-visual equipment available. Guangzhou-Yun audio-visual equipment (www.xy-screen.com) strong, credible, in Guangzhou film screening equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead male cloud audio-visual equipment and you hand into the brilliant, for a better future!