TYPES OF LIGHT DISTRIBUTION: - Çankaya Üniversitesi

TYPES OF LIGHT DISTRIBUTION: - Çankaya Üniversitesi

TYPES OF LIGHT DISTRIBUTION: DIRECT: SHARPEST CONTRAST BETWEEN LIGHT AND DARK. USED TO EMPHASIZE OBJECTS

INDIRECT: SOURCE IS HIDDEN, LIGHT IS DIRECTED TO CEILING, A COVE OR ANOTHER SURFACE FROM WHICH IT IS REFLECTED. DIRECT INDIRECT: LIGHT IS

DISTRIBUTED EVENLY IN ALL DIRECTIONS. THE FIXTURE HAS A BULB ON BOTH SIDES,INSIDE AND OUTSIDE THE REFLECTOR. SEMI DIRECT:MORE LIGHT IS

DIRECTED TOWARDS WORK PLANE SEMI INDIRECT: MORE LIGHT IS DIRECTED TOWARDS CEILING OR UPPER WALL

METHODS OF ILLUMINATING SPACE: AMBIENT / GENERAL LIGHTING: The overall level of light in a space: COVE, VALANCE, CORNICE, SOFFIT, PANEL LIGHTING LOCAL: PORTABLE LAMPS AND FIXTURE

ACCENT LIGHTING: Directional lighting to emphasize a particular object or draw attention to a part of the field of view (SPOT LIGHTING THAT EMPHASIZE THE CENTER OF INTEREST) 3 ASPECTS OF

LIGHTING: 1.FUNCTION: QUALITY AND QUANTITY IS IMPORTANT READING/WRITING, SHAVING, MAKE-UP

2.SAFETY: CERTAIN SPACES NEED MORE CARE STAIRWAY, PATIO, DOORWAY, DRIVEWAY 3.BEAUTY: GOOD LIGHTING MAKES

INTERIOR LAYOUT MORE BEAUTIFUL LIGHT AFFECTS PEOPLES: MOOD OR EMOTION

PRODUCTIVITY AWARENESS Several general design strategies can be used to update the thinking on how

lighting and energy are used. Keep it Low. Contrary to the older school of thinking, working in adequate yet dim light will not harm the eyes, anymore than listening to music at lower volumes will hurt the ears. Brighter light is not necessarily better.

Uniform Overhead Fixtures Cannot Provide the Only Source of Light. This is especially true for offices now that computers are the focus of

many peoples jobs. Additional and appropriate lighting should accompany each individual task in a work area. Make Lighting Specific.

Tasks need to be identified carefully and lighting chosen for each based on the task itself. It is important to take into consideration the tasks size, importance, the duration of time

it needs to be performed, its priority in relation to other tasks, general lighting in the area, and the physical condition, age, and expectations of the person performing the task.

Let the User Control Lighting Options Whenever Practical. Because comfort factors will vary dramatically from task to task and person to person, the best task

light is one that gives the user the most control over position and intensity. It is also important for the same person to be able to alter light levels to match his or her changing needs over the

course of the day or season. Consider the fixtures as a design element. Select fixtures that complement the over-all design objective. They

should be a compatible scale, color, finish and geometry. Plan placement so that it coordinates with the structure from every view, and does not destroy the harmony of the design.

Prepare for the Aging Population. As peoples eyes age, the lenses grow larger and more rigid, requiring more effort for the eye muscles to focus at close range. As a result, low light makes it harder to see

clearly, color identification is decreased, and intolerance for both direct and reflected glare increases. All these vision changes and their accompanying lighting needs will increase the challenge for the designer as our

population ages.

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