What a diffuser does is it actually spreads the light out and it makes it very very soft and that reduces shadows especially when you have a light coming from your left and your right at a 45 degree angle.
Postiion of lighting to stop shadows on wall.
Change your lighting style position.
If possible try to position your leds behind a lip in order to hide the led light source.
Don t position your led tape too close to a wall or else you may see lighting dotting.
In a flat ceilinged kitchen recessed lights would be located so the center of the beam is around the front edge of the counter and the light reaches to the back.
Avoid placing your lighting directly above you as this can cause some dark and distracting shadows that draw attention away from your face.
Straight on lighting is best especially if you have a window with natural light on your side to fill out your shadows.
Putting some distance between the rear of the performance area and a cyc while front lighting from a steeper angle also prevents a shadow on your sky.
Overhead lighting can cast shadows on your face if you must go with an overhead light choose a longer horizontal fixture instead of one with one single bulb to help fully illuminate your.
Diffuse light by using lighting umbrellas and reflectors or by placing a soft box around each of your lamps.
Diffuse the light minimize shadows by diffusing or spreading out the light.
Try to get the shadows to go downward butterfly lighting and minimize the shadow that reaches the wall.
In your case you ll want to make sure that the counter is lit and the light isn t coming from behind the person at the counter creating shadows.
By increasing the range of a light source you decrease its strength.
Be careful of the floor surface that the lights are going to fall on.
There are two potential problems with this.
In the case of a backcloth the answer is usually to light the cloth well enough from close up and overhead washing out any stray shadows from frontlight further down stage.