Operating lamp suitable for hospital surgery department
A surgical light and surgical technology, applied in the field of surgical lights, can solve the problems of doctors' visual fatigue, easy to cause medical accidents, and it is difficult for doctors to distinguish organs, so as to reduce the probability of medical accidents and enhance the clarity of vision.
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Embodiment 2
[0050] This embodiment provides an LED chip with adjustable luminous color temperature, which is suitable for the LED lamp in the first embodiment. Specifically, the LED chip provided in this embodiment is an LED chip based on GaN material, which can emit red light and blue light without phosphor powder after packaging. Phosphor-free LED lights have no risk of environmental pollution caused by phosphor leakage, and are very suitable for surgical lights.
[0051] Such as image 3 as shown, image 3 A structural schematic diagram of a GaN material-based LED chip provided by the present invention, the chip includes:
[0052] Substrate (11);
[0053] At least one blue light material and at least one red light material are both grown on the substrate (11).
[0054] Further, on the basis of the above embodiment, the chip further includes an isolation wall for isolating the blue light material and the red light material.
[0055] Further, on the basis of the above implementation...
Embodiment 3
[0063] The present invention also provides a method for preparing an LED light source based on blue-light materials and red-light materials. The LED chip of Embodiment 1 is prepared by the method of this embodiment, and the method includes:
[0064] Select sapphire as substrate (11);
[0065] growing a blue light material on the substrate (11), the blue light material is used to generate blue light driven by a blue light driving voltage;
[0066] performing selective etching on the blue light material to form a red light wick groove;
[0067] growing a red light material in the red light wick groove, the red light material is used to generate red light driven by a red light driving voltage;
[0068] Electrodes are respectively prepared on the blue light material and the red light material to complete the preparation of the LED light source based on the blue light material and the red light material.
[0069] See Figure 5 , Figure 5 It is a schematic structural diagram of...
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