Educational projectors are mainly aimed at classroom teaching by school teachers; traditional projectors are not easy to carry. Due to the naughty students in school classrooms, projectors are not safe to place in classrooms and are easily damaged by students. The portability of educational micro-projectors makes up for teaching Vacancy, it is convenient for teachers to give lectures and only need to store the materials in the projector and show them to students for teaching, saving the trouble of textbooks and handwriting with pens and chalks. Its general weight will not exceed 0.2Kg, and some do not even need fan cooling or ultra-small silent fan cooling.
Educational projectors need to have:
1. Clear handwriting Educational projectors most often display text and images, at least a resolution of 1024*768 or more, and a contrast ratio of more than 3000 lumens, so that students in the back row can see the projection clearly
2. Short-focus large screen;
3. Accurate color;
4. Easy operation;
5. Features such as multiple connection methods.
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In terms of product sales, TCL Group achieved a total of 307,900 liquid crystal glass substrates in the first quarter, a year-on-year increase of 540.78%. The sales of LCD TVs reached 3.988 million units, an increase of 21.72% year-on-year; the sales volume of mobile phones reached 8.86 million units, an increase of 8.12% year-on-year.
TCL Group's first-quarter results increased significantly due to the increased production capacity of its subsidiary Huaxing Optoelectronics and the integration advantages of TCL Multimedia - Huaxing Optoelectronics.
According to the disclosure, from January to March, Huaxing Optoelectronics invested 379,900 liquid crystal glass substrates, a significant increase of 540.78% over the same period of last year. The total sales of LCD TV panels and modules reached 493.17 million. Huaxing Optoelectronics achieved better profit in the first quarter due to increased production capacity, improved product yield and enhanced cost control.
It is worth noting that the overall industrial chain advantage of TCL Group will be further enhanced in the future. According to the company's announcement on March 29, the company plans to bid for 3.181 billion yuan to acquire the equity of 30% Huaxing Optoelectronics transferred by Shenzhen Shenchao Technology Investment Co., Ltd. If the bid is successful, the company will hold 85% of Huaxing Optoelectronics.
Data show that from January to March 2013, sales of TCL Group's LCD TV sales (including commercial displays) reached 3.988 million units, up 21.7% year-on-year. Among them, smart TV sales of 1,194,800 units, an increase of 393.02%; 3D TV sales of 771,400 units, an increase of 308.7%. 
TCL released Q1 results forecast net profit increased by 7 times
On the evening of April 8, TCL Group (000100) released the first quarter 2013 results forecast. The company expects the net profit attributable to shareholders of listed companies in the first quarter to be 295 million yuan to 31 million yuan, an increase of 670% over the same period of the previous year of 38.42 million yuan. -710%.