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[You are also an expert, how to distinguish the pros and cons of projection screens] Projection screen purchase common sense
by：XY Screens
2021-11-08
Content Navigation: Page 1: Common Sense of Purchase One Page 2: Common Sense of Purchase Two
We know that the ideal video solution for home theater is ultimately achieved through the projector and the projection screen. After the projector is determined, the choice of the screen becomes a handicap. What kind of screen is good and how to determine the screen The quality is something most people don’t understand. OS Company is a leading enterprise among the international professional curtain manufacturers. They have authoritative standards in the production and inspection of curtains. By understanding their quality inspection standards, you can quickly understand the most professional curtain quality parameters and the quality problems that are prone to curtains. .
What are the problems prone to the curtain? The most important part of the screen is the screen. The quality of the screen will directly affect the image effect it presents. The inspection of the screen is mainly flatness and thickness.
According to OS company's many years of experience, it is found that common quality defects of screens can be summarized as follows: black spots, pits, wrinkles, stains, lines, dirt, foreign matter, (linear), pinholes, scratches , Thread, air bubbles, when these conditions exceed a certain limit, the product is a substandard product. According to the quality of the product, the product can be divided into three grades: A, B, and C in general production. The following describes these phenomena based on the definition of OS.
Black dots are attached to the surface of the screen and cannot be swept away, so that the light can not reflect the foreign matter. The dents, protrusions, etc. press on the surface to cause the screen fabric to sink. Wrinkles are caused by careless use of the screen fabric in the project. Wrinkles. Color spots and foreign objects attached to the screen fabric, causing it to be printed on the screen fabric. The thread pattern is formed by the uneven thread. Dirty The screen fabric is printed with fingerprints, oil stains, etc., due to carelessness in the process Dirty things. Foreign matter is also called thread-like. It sticks to the surface of the screen fabric and cannot be removed. Pinholes are found from the back of the screen fabric under the irradiation of a slide projector. Scratch the front and back of the screen. The end of the thread is exposed in the white screen area. (Poor incoming material) Air bubbles are formed by foreign matter mixing in the middle layer of the screen fabric
The following is a detailed introduction to the testing procedures and corresponding standards of projection screens.
1. Standard conditions of inspection sites:
The standard of the environment during screen inspection determines the accuracy of the inspection results, and the OS inspection environment has a specific and simple standard.
1. The inspection room must be surrounded by black curtains to achieve basically no interference of light sources into the inspection room. 2. Quality inspection table and magic light source settings, ceiling light settings, and common fluorescent lights with multiple controllable single light source settings. (The detailed layout is shown in the figure below)
3. Set the position of the Banma line for the final inspection to determine the inspection of the items in the picture. Note: ⑴ is the location for detecting pinholes and scratches on the back; ⑵ is the location for detecting black spots and scratches; ⑶ is the location for detecting poor planes, dimples, and unevenness.
We know that the ideal video solution for home theater is ultimately achieved through the projector and the projection screen. After the projector is determined, the choice of the screen becomes a handicap. What kind of screen is good and how to determine the screen The quality is something most people don’t understand. OS Company is a leading enterprise among the international professional curtain manufacturers. They have authoritative standards in the production and inspection of curtains. By understanding their quality inspection standards, you can quickly understand the most professional curtain quality parameters and the quality problems that are prone to curtains. .
What are the problems prone to the curtain? The most important part of the screen is the screen. The quality of the screen will directly affect the image effect it presents. The inspection of the screen is mainly flatness and thickness.
According to OS company's many years of experience, it is found that common quality defects of screens can be summarized as follows: black spots, pits, wrinkles, stains, lines, dirt, foreign matter, (linear), pinholes, scratches , Thread, air bubbles, when these conditions exceed a certain limit, the product is a substandard product. According to the quality of the product, the product can be divided into three grades: A, B, and C in general production. The following describes these phenomena based on the definition of OS.
Black dots are attached to the surface of the screen and cannot be swept away, so that the light can not reflect the foreign matter. The dents, protrusions, etc. press on the surface to cause the screen fabric to sink. Wrinkles are caused by careless use of the screen fabric in the project. Wrinkles. Color spots and foreign objects attached to the screen fabric, causing it to be printed on the screen fabric. The thread pattern is formed by the uneven thread. Dirty The screen fabric is printed with fingerprints, oil stains, etc., due to carelessness in the process Dirty things. Foreign matter is also called thread-like. It sticks to the surface of the screen fabric and cannot be removed. Pinholes are found from the back of the screen fabric under the irradiation of a slide projector. Scratch the front and back of the screen. The end of the thread is exposed in the white screen area. (Poor incoming material) Air bubbles are formed by foreign matter mixing in the middle layer of the screen fabric
The following is a detailed introduction to the testing procedures and corresponding standards of projection screens.
1. Standard conditions of inspection sites:
The standard of the environment during screen inspection determines the accuracy of the inspection results, and the OS inspection environment has a specific and simple standard.
1. The inspection room must be surrounded by black curtains to achieve basically no interference of light sources into the inspection room. 2. Quality inspection table and magic light source settings, ceiling light settings, and common fluorescent lights with multiple controllable single light source settings. (The detailed layout is shown in the figure below)
3. Set the position of the Banma line for the final inspection to determine the inspection of the items in the picture. Note: ⑴ is the location for detecting pinholes and scratches on the back; ⑵ is the location for detecting black spots and scratches; ⑶ is the location for detecting poor planes, dimples, and unevenness.
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