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 3D projection screen customized, high-definition 3D projection screen soft screen quotes, HD fiberglass 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. Screen resolution (Resolution): Aimed at different projectors international type, image resolution based mainly on the type of projector: CRT technology and LCD, DLP, D-ILA, LCOS technology is divided into bandwidth and pixel. Pixels: pixel resolution, high aspect refers to the results of multiplying the number of pixels, the main measure of LCD / DLP / D-ILA / LCOS projector technology. It refers to both the real resolution of the projector. Bandwidth: A measure of the level of frequency CRT projector per scan. Fresnel optical rear projection (projector behind the screen, that is, the projector and the audience on both sides of the direction of the projection screen respectively) Festival Best Actress screen because the Fresnel lens surface slot pitch and a double convex (cylindrical) lens lines from the relationship, a direct impact on the resolution of the screen. For diffuse rear projection hard screen, soft curtain and front projection screen, there is no effect slot pitch of the lines, the resolution will be very high, to meet the needs of the high-resolution screen. 2013 home HD 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, 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. Definition sphere: all points from the point of space equal to a fixed length graphic composition called a ball. Spherical surface is a continuous three-dimensional graphics, surrounded by a spherical geometry called sphere. A surface of the ball is a sphere surface, the surface is called spherical. Balls and circle similar, there are also a center called the Globe. Stars, especially the "Earth." Mathematics semi-sphere to the basic concept of a sphere having a diameter of its rotation axis, a rotation is called a spherical surface. Surrounded by spherical geometry is called a sphere, called balls. The center is called the center of the sphere semicircle. 3D projection screen, 3D projection screen size, male cloud audio-visual equipment (certified merchants) are provided by Guangzhou-Yun audio-visual equipment. Guangzhou-Yun audio-visual equipment (www.xy-screen.com) in film projection equipment in the fields devoted boundless enthusiasm and passion, male cloud audio-visual equipment has been customer-centric, to create value for customers ideas, quality, service to win the market, and sincerely hope to cooperate with the community to create success, to create brilliant. Related businesses welcome inquiries, contact: Mr. Xie.