|
|
Customizable rear combination lamp module with HD resolution
Prokš, Jiří ; Pristach, Marián (referee) ; Kledrowetz, Vilém (advisor)
This thesis deals with the design of LED matrix array contains 150 LEDs. In the first part, the thesis identifies source of light like OLED and LED and provide an overview of their lifetime, reliability and basic principle of design systems with LEDs. The thesis then describe design of LED matrix array, deals with power supply of this LED array and with cooling of LED. Finally the thesis describes a software for contol of LED matrix array.
|
|
|
A light source with ligh emmiting diode
Novák, Matyáš ; Mojrová, Barbora (referee) ; Boušek, Jaroslav (advisor)
This work starts with the basic description of function of light-emitting diode. It also describes the basic techniques of design of cooling housings for power LEDs and possibility of heat removal. In the theoretical part of this work is also described the possibility of heat dissipation regulating and the possibility of the power sources for LEDs. The practical part includes description of LED light source design and construction, using knowledge about cooling and power from theoretical part. The light source is designed for different kinds of power supplies for maximum flexibility of usage.
|
|
|
Optimalization of power supply for LED light sources
Koždoň, Jakub ; Kosina, Petr (referee) ; Boušek, Jaroslav (advisor)
This work focuses on description of function, analysis of degradation process, measuring lifetime and design thermal and electrical driving circuit for LED. Lifetime power LED basically depends on their working temperature. So some methods for measuring and determine LED lifespan and impacts which affects their lifetime are going to be described. Driving circuits are one of keys of element lamps. Their characteristics can affect lifetime of all lamp. So some properties and impacts of circuits for driving LED's and their functions which are necessary need to know in design will be described . I'll also catalogue some circuits which are suitable for that and show particular design power supply for LEDs and it's realization.
|
|
|
A light source with variable intensity
Koždoň, Jakub ; Mojrová, Barbora (referee) ; Boušek, Jaroslav (advisor)
This work is focused on description how the light impact human live, description of light sources and finally design and construction of light source with adjustable colour temperature and luminous flux. In introduction is mentioned the process of vision and how the light impact humans. In next part is characterization of currently used light sources, their construction, properties, benefits and drawback with their main parameters. Important part of this chapter is more extensive description of light emitting diodes with their operational parameters. The last two parts is focused on design and measuring the parameters of created light source with adjustable colour temperature and luminous flux and evaluating the results.
|
|
|
Customizable rear combination lamp module with HD resolution
Prokš, Jiří ; Pristach, Marián (referee) ; Kledrowetz, Vilém (advisor)
This thesis deals with the design of LED matrix array contains 150 LEDs. In the first part, the thesis identifies source of light like OLED and LED and provide an overview of their lifetime, reliability and basic principle of design systems with LEDs. The thesis then describe design of LED matrix array, deals with power supply of this LED array and with cooling of LED. Finally the thesis describes a software for contol of LED matrix array.
|
|
|
A light source with ligh emmiting diode
Novák, Matyáš ; Mojrová, Barbora (referee) ; Boušek, Jaroslav (advisor)
This work starts with the basic description of function of light-emitting diode. It also describes the basic techniques of design of cooling housings for power LEDs and possibility of heat removal. In the theoretical part of this work is also described the possibility of heat dissipation regulating and the possibility of the power sources for LEDs. The practical part includes description of LED light source design and construction, using knowledge about cooling and power from theoretical part. The light source is designed for different kinds of power supplies for maximum flexibility of usage.
|
|
|
Optimalization of power supply for LED light sources
Koždoň, Jakub ; Kosina, Petr (referee) ; Boušek, Jaroslav (advisor)
This work focuses on description of function, analysis of degradation process, measuring lifetime and design thermal and electrical driving circuit for LED. Lifetime power LED basically depends on their working temperature. So some methods for measuring and determine LED lifespan and impacts which affects their lifetime are going to be described. Driving circuits are one of keys of element lamps. Their characteristics can affect lifetime of all lamp. So some properties and impacts of circuits for driving LED's and their functions which are necessary need to know in design will be described . I'll also catalogue some circuits which are suitable for that and show particular design power supply for LEDs and it's realization.
|
|
|
A light source with variable intensity
Koždoň, Jakub ; Mojrová, Barbora (referee) ; Boušek, Jaroslav (advisor)
This work is focused on description how the light impact human live, description of light sources and finally design and construction of light source with adjustable colour temperature and luminous flux. In introduction is mentioned the process of vision and how the light impact humans. In next part is characterization of currently used light sources, their construction, properties, benefits and drawback with their main parameters. Important part of this chapter is more extensive description of light emitting diodes with their operational parameters. The last two parts is focused on design and measuring the parameters of created light source with adjustable colour temperature and luminous flux and evaluating the results.
|
guest ::
